BGP Routing: 2011-05-29

The Border Gateway Protocol (BGP) is the protocol backing the core routing decisions on the Internet. It maintains a table of IP networks or 'prefixes' which designate network reachability among autonomous systems (AS). It is described as a path vector protocol. BGP does not use traditional Interior Gateway Protocol (IGP) metrics, but makes routing decisions based on path, network policies and/or rulesets. For this reason, it is more appropriately termed a reachability protocol rather than routing protocol.

Saturday, June 4, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 05 Jun, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 363560
Prefixes after maximum aggregation: 163808
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 178108
Total ASes present in the Internet Routing Table: 37807
Prefixes per ASN: 9.62
Origin-only ASes present in the Internet Routing Table: 31665
Origin ASes announcing only one prefix: 15111
Transit ASes present in the Internet Routing Table: 5008
Transit-only ASes present in the Internet Routing Table: 127
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 30
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3507
Unregistered ASNs in the Routing Table: 429
Number of 32-bit ASNs allocated by the RIRs: 1425
Number of 32-bit ASNs visible in the Routing Table: 1134
Prefixes from 32-bit ASNs in the Routing Table: 2635
Special use prefixes present in the Routing Table: 78
Prefixes being announced from unallocated address space: 167
Number of addresses announced to Internet: 2452422632
Equivalent to 146 /8s, 44 /16s and 255 /24s
Percentage of available address space announced: 66.2
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 151542

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 86746
Total APNIC prefixes after maximum aggregation: 28953
APNIC Deaggregation factor: 3.00
Prefixes being announced from the APNIC address blocks: 83319
Unique aggregates announced from the APNIC address blocks: 36630
APNIC Region origin ASes present in the Internet Routing Table: 4460
APNIC Prefixes per ASN: 18.68
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 690
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 47
Number of APNIC addresses announced to Internet: 619785154
Equivalent to 36 /8s, 241 /16s and 43 /24s
Percentage of available APNIC address space announced: 78.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 143754
Total ARIN prefixes after maximum aggregation: 73592
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 115511
Unique aggregates announced from the ARIN address blocks: 46153
ARIN Region origin ASes present in the Internet Routing Table: 14417
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5483
ARIN Region transit ASes present in the Internet Routing Table: 1474
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 802030104
Equivalent to 47 /8s, 206 /16s and 2 /24s
Percentage of available ARIN address space announced: 63.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 88553
Total RIPE prefixes after maximum aggregation: 48884
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 81225
Unique aggregates announced from the RIPE address blocks: 51960
RIPE Region origin ASes present in the Internet Routing Table: 15699
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 7792
RIPE Region transit ASes present in the Internet Routing Table: 2425
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 20
Number of RIPE region 32-bit ASNs visible in the Routing Table: 839
Number of RIPE addresses announced to Internet: 476070508
Equivalent to 28 /8s, 96 /16s and 66 /24s
Percentage of available RIPE address space announced: 76.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33128
Total LACNIC prefixes after maximum aggregation: 7525
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 32381
Unique aggregates announced from the LACNIC address blocks: 16936
LACNIC Region origin ASes present in the Internet Routing Table: 1461
LACNIC Prefixes per ASN: 22.16
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 259
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 231
Number of LACNIC addresses announced to Internet: 84703752
Equivalent to 5 /8s, 12 /16s and 122 /24s
Percentage of available LACNIC address space announced: 56.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8426
Total AfriNIC prefixes after maximum aggregation: 1928
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 6391
Unique aggregates announced from the AfriNIC address blocks: 1924
AfriNIC Region origin ASes present in the Internet Routing Table: 459
AfriNIC Prefixes per ASN: 13.92
AfriNIC Region origin ASes announcing only one prefix: 141
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23587840
Equivalent to 1 /8s, 103 /16s and 236 /24s
Percentage of available AfriNIC address space announced: 35.1

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1895 9487 614 Korea Telecom (KIX)
17974 1538 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1536 301 86 TPG Internet Pty Ltd
4755 1467 374 163 Videsh Sanchar Nigam Ltd. Aut
24560 1155 337 187 Bharti Airtel Ltd.
7552 1141 1064 7 Vietel Corporation
9583 1083 81 511 Sify Limited
4808 1036 2082 296 CNCGROUP IP network: China169
9829 1036 875 63 BSNL National Internet Backbo
17488 945 170 104 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3642 3822 256 bellsouth.net, inc.
4323 1974 1089 400 Time Warner Telecom
18566 1919 363 266 Covad Communications
1785 1791 681 123 AppliedTheory Corporation
6478 1716 318 45 AT&T Worldnet Services
20115 1586 1543 633 Charter Communications
19262 1493 4936 308 Verizon Global Networks
7018 1370 7100 897 AT&T WorldNet Services
22773 1338 2897 88 Cox Communications, Inc.
2386 1270 536 912 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
286 1045 798 192 KPNQwest Backbone AS
9116 539 326 30 Goldenlines main autonomous s
6830 518 1780 320 UPC Distribution Services
34984 517 106 179 Tellcom Iletisim Hizmetleri
3292 516 2078 397 TDC Tele Danmark
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
20940 436 122 339 Akamai Technologies European
12479 430 593 7 Uni2 Autonomous System
3320 425 8152 370 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1512 278 157 TVCABLE BOGOTA
8151 1382 2707 361 Uninet S.A. de C.V.
28573 1322 992 86 Types of queries are: POCs, o
7303 959 504 156 Telecom Argentina Stet-France
6503 736 354 74 AVANTEL, S.A.
14420 675 54 89 Types of queries are: POCs, o
22047 565 310 15 Types of queries are: POCs, o
3816 529 231 92 COLOMBIA TELECOMUNICACIONES S
13489 518 263 122 Orbitel S.A. E.S.P.
7738 516 986 31 Telecomunicacoes da Bahia S.A

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 804 445 11 TEDATA
24863 793 147 38 LINKdotNET AS number
15475 545 90 8 Nile Online
16637 296 441 87 Johnnic e-Ventures
36992 291 399 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 217 12 11 Starcomms Nigeria Limited
24835 210 78 10 RAYA Telecom - Egypt
29571 192 17 11 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3642 3822 256 bellsouth.net, inc.
23456 2635 645 1416 >>UNKNOWN<<
4323 1974 1089 400 Time Warner Telecom
18566 1919 363 266 Covad Communications
4766 1895 9487 614 Korea Telecom (KIX)
1785 1791 681 123 AppliedTheory Corporation
6478 1716 318 45 AT&T Worldnet Services
20115 1586 1543 633 Charter Communications
17974 1538 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1536 301 86 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6478 1716 1671 AT&T Worldnet Services
1785 1791 1668 AppliedTheory Corporation
18566 1919 1653 Covad Communications
4323 1974 1574 Time Warner Telecom
17974 1538 1500 PT TELEKOMUNIKASI INDONESIA
7545 1536 1450 TPG Internet Pty Ltd
10620 1512 1355 TVCABLE BOGOTA
4755 1467 1304 Videsh Sanchar Nigam Ltd. Aut
4766 1895 1281 Korea Telecom (KIX)
22773 1338 1250 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 1239 Sprint
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.29.244.56/29 286 KPNQwest Backbone AS
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:81 /12:228
/13:461 /14:804 /15:1423 /16:12028 /17:6094 /18:10064
/19:19855 /20:26512 /21:26399 /22:34566 /23:33641 /24:188487
/25:368 /26:353 /27:181 /28:302 /29:277 /30:677
/31:75 /32:624

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2244 3642 bellsouth.net, inc.
18566 1876 1919 Covad Communications
6478 1670 1716 AT&T Worldnet Services
10620 1402 1512 TVCABLE BOGOTA
23456 1301 2635 >>UNKNOWN<<
11492 1107 1153 Cable One
7011 1062 1161 Citizens Utilities
1785 1050 1791 AppliedTheory Corporation
286 903 1045 KPNQwest Backbone AS
4323 885 1974 Time Warner Telecom

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:282 2:69 4:20 5:1 6:3 8:338
12:1984 13:1 14:463 15:15 16:3 17:8
20:10 23:11 24:1627 27:769 31:422 32:126
33:4 34:2 37:1 38:738 40:102 41:2544
42:6 44:3 46:941 47:3 49:199 50:435
52:13 54:2 55:3 56:2 57:39 58:843
59:477 60:387 61:1123 62:1065 63:1941 64:3970
65:2290 66:4173 67:1896 68:1268 69:3093 70:749
71:357 72:1916 73:3 74:2410 75:320 76:349
77:913 78:708 79:481 80:1101 81:843 82:509
83:459 84:685 85:1081 86:607 87:780 88:337
89:1575 90:203 91:3825 92:525 93:1077 94:1319
95:835 96:507 97:250 98:868 99:35 101:61
103:51 106:1 107:7 108:85 109:967 110:599
111:709 112:304 113:403 114:539 115:679 116:969
117:692 118:797 119:1130 120:312 121:672 122:1625
123:952 124:1270 125:1214 128:262 129:178 130:164
131:572 132:108 133:19 134:214 135:48 136:210
137:144 138:299 139:121 140:480 141:239 142:407
143:403 144:489 145:54 146:441 147:221 148:595
149:246 150:171 151:184 152:328 153:179 154:3
155:397 156:198 157:353 158:138 159:380 160:316
161:207 162:281 163:164 164:501 165:371 166:515
167:427 168:728 169:156 170:802 171:77 172:1
173:1579 174:554 175:370 176:130 177:150 178:1001
180:858 181:18 182:460 183:212 184:375 185:1
186:1213 187:772 188:867 189:897 190:4869 192:5876
193:4928 194:3548 195:3136 196:1237 197:19 198:3588
199:3927 200:5541 201:1481 202:8283 203:8347 204:4183
205:2325 206:2763 207:2877 208:3986 209:3488 210:2717
211:1401 212:2065 213:1781 214:732 215:72 216:4965
217:1644 218:552 219:366 220:1205 221:491 222:316
223:150

End of report
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[bgp-stats] Routing Table Report - London view

* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 05 Jun, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary
----------------

BGP routing table entries examined: 353774
Prefixes after maximum aggregation: 160498
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 178153
Total ASes present in the Internet Routing Table: 36485
Prefixes per ASN: 9.70
Origin-only ASes present in the Internet Routing Table: 31510
Origin ASes announcing only one prefix: 15166
Transit ASes present in the Internet Routing Table: 4975
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2140
Unregistered ASNs in the Routing Table: 485
Number of 32-bit ASNs allocated by the RIRs: 1425
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2609
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2467660288
Equivalent to 147 /8s, 21 /16s and 130 /24s
Percentage of available address space announced: 66.6
Percentage of allocated address space announced: 66.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 146019

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 84858
Total APNIC prefixes after maximum aggregation: 28757
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 82162
Unique aggregates announced from the APNIC address blocks: 36690
APNIC Region origin ASes present in the Internet Routing Table: 4420
APNIC Prefixes per ASN: 18.59
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 672
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 618170368
Equivalent to 36 /8s, 216 /16s and 136 /24s
Percentage of available APNIC address space announced: 78.4

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 139306
Total ARIN prefixes after maximum aggregation: 70988
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 111707
Unique aggregates announced from the ARIN address blocks: 46217
ARIN Region origin ASes present in the Internet Routing Table: 14336
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5487
ARIN Region transit ASes present in the Internet Routing Table: 1438
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 801977600
Equivalent to 47 /8s, 205 /16s and 53 /24s
Percentage of available ARIN address space announced: 63.7

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 85630
Total RIPE prefixes after maximum aggregation: 48497
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 79061
Unique aggregates announced from the RIPE address blocks: 52092
RIPE Region origin ASes present in the Internet Routing Table: 15660
RIPE Prefixes per ASN: 5.05
RIPE Region origin ASes announcing only one prefix: 7838
RIPE Region transit ASes present in the Internet Routing Table: 2439
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 475556352
Equivalent to 28 /8s, 88 /16s and 106 /24s
Percentage of available RIPE address space announced: 76.6

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32409
Total LACNIC prefixes after maximum aggregation: 7381
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 31854
Unique aggregates announced from the LACNIC address blocks: 16918
LACNIC Region origin ASes present in the Internet Routing Table: 1446
LACNIC Prefixes per ASN: 22.03
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 254
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 84646144
Equivalent to 5 /8s, 11 /16s and 153 /24s
Percentage of available LACNIC address space announced: 56.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8245
Total AfriNIC prefixes after maximum aggregation: 1964
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6380
Unique aggregates announced from the AfriNIC address blocks: 1921
AfriNIC Region origin ASes present in the Internet Routing Table: 458
AfriNIC Prefixes per ASN: 13.93
AfriNIC Region origin ASes announcing only one prefix: 142
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 23587072
Equivalent to 1 /8s, 103 /16s and 233 /24s
Percentage of available AfriNIC address space announced: 35.1

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1898 9491 616 Korea Telecom (KIX)
17974 1537 441 38 PT Telekomunikasi Indonesia
7545 1535 301 85 TPG Internet Pty Ltd
4755 1428 374 158 TATA Communications formerly
24560 1155 337 187 Bharti Airtel Ltd., Telemedia
7552 1141 1064 7 Vietel Corporation
9583 1082 80 510 Sify Limited
9829 1033 875 63 National Internet Backbone
4808 959 2015 278 CNCGROUP IP network China169
18101 933 116 140 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3640 3806 256 BellSouth.net Inc.
4323 1972 1089 400 tw telecom holdings, inc.
18566 1874 355 268 Covad Communications Co.
1785 1793 681 122 PaeTec Communications, Inc.
6478 1716 318 45 AT&T Services, Inc.
20115 1535 1540 633 Charter Communications
19262 1492 4936 307 Verizon Online LLC
7018 1376 7085 902 AT&T Services, Inc.
22773 1337 2897 88 Cox Communications Inc.
2386 1269 536 911 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
9116 539 326 30 Goldenlines main autonomous s
34984 517 106 179 BILISIM TELEKOM
6830 516 1780 320 UPC Broadband
3292 461 2078 396 TDC Data Networks
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
20940 435 122 339 Akamai Technologies European
12479 429 593 7 France Telecom Espana SA
3320 424 8152 369 Deutsche Telekom AG
8551 407 356 39 Bezeq International

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1512 278 157 Types of queries are: POCs, o
28573 1305 992 86 Types of queries are: POCs, o
8151 1244 2707 354 Uninet S.A. de C.V.
7303 937 504 142 Telecom Argentina S.A.
6503 725 354 74 Axtel, S.A.B. de C.V.
14420 675 54 89 CORPORACION NACIONAL DE TELEC
22047 565 310 15 Types of queries are: POCs, o
3816 528 231 92 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
13489 516 262 122 EPM Telecomunicaciones S.A. E

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 802 445 11 TEDATA
24863 789 147 35 LINKdotNET AS number
15475 545 90 8 Nile Online
36992 292 399 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 217 12 11 Starcomms Nigeria Limited
24835 210 78 10 RAYA Telecom - Egypt
29571 192 17 11 Ci Telecom Autonomous system
11380 181 125 57 INTERNETOFFICEPARKS

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3640 3806 256 BellSouth.net Inc.
23456 2609 642 1409 32-bit ASN transition
4323 1972 1089 400 tw telecom holdings, inc.
4766 1898 9491 616 Korea Telecom (KIX)
18566 1874 355 268 Covad Communications Co.
1785 1793 681 122 PaeTec Communications, Inc.
6478 1716 318 45 AT&T Services, Inc.
17974 1537 441 38 PT Telekomunikasi Indonesia
7545 1535 301 85 TPG Internet Pty Ltd
20115 1535 1540 633 Charter Communications

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
1785 1793 1671 PaeTec Communications, Inc.
6478 1716 1671 AT&T Services, Inc.
18566 1874 1606 Covad Communications Co.
4323 1972 1572 tw telecom holdings, inc.
17974 1537 1499 PT Telekomunikasi Indonesia
7545 1535 1450 TPG Internet Pty Ltd
10620 1512 1355 Types of queries are: POCs, o
4766 1898 1282 Korea Telecom (KIX)
4755 1428 1270 TATA Communications formerly
22773 1337 1249 Cox Communications Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T Services, Inc.
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 65535 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media EXchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:12 /10:28 /11:81 /12:228
/13:461 /14:797 /15:1395 /16:11882 /17:5825 /18:9689
/19:19419 /20:25764 /21:25883 /22:33982 /23:32829 /24:184980
/25:13 /26:17 /27:25 /28:162 /29:99 /30:54
/31:0 /32:128

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2242 3640 BellSouth.net Inc.
18566 1837 1874 Covad Communications Co.
6478 1670 1716 AT&T Services, Inc.
10620 1402 1512 Types of queries are: POCs, o
23456 1284 2609 32-bit ASN transition
11492 1104 1150 CABLE ONE, INC.
7011 1062 1161 Frontier Communications of Am
1785 1050 1793 PaeTec Communications, Inc.
4323 883 1972 tw telecom holdings, inc.
22773 852 1337 Cox Communications Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:280 2:47 4:16 5:1 6:3 8:337
12:1978 13:1 14:456 15:15 16:3 17:8
20:10 23:11 24:1609 27:764 31:419 32:55
33:4 34:2 37:1 38:734 40:102 41:2541
42:6 44:3 46:929 47:3 49:199 50:435
52:13 54:2 55:3 56:2 57:28 58:796
59:470 60:385 61:1015 62:1047 63:1921 64:3917
65:2285 66:4136 67:1869 68:1084 69:2983 70:701
71:352 72:1883 73:1 74:2352 75:305 76:340
77:872 78:702 79:469 80:1089 81:837 82:494
83:443 84:666 85:1070 86:590 87:760 88:332
89:1532 90:203 91:3809 92:524 93:1050 94:1292
95:815 96:501 97:250 98:861 99:35 101:54
103:50 106:1 107:7 108:85 109:954 110:599
111:703 112:295 113:397 114:535 115:667 116:931
117:689 118:790 119:1115 120:310 121:644 122:1620
123:935 124:1257 125:1208 128:209 129:169 130:158
131:568 132:100 133:19 134:205 135:48 136:208
137:141 138:297 139:107 140:459 141:239 142:388
143:400 144:485 145:54 146:434 147:210 148:579
149:245 150:163 151:184 152:326 153:179 154:2
155:397 156:195 157:323 158:138 159:373 160:315
161:199 162:280 163:153 164:501 165:351 166:515
167:426 168:723 169:153 170:798 171:77 172:1
173:1560 174:551 175:356 176:130 177:146 178:992
180:850 181:18 182:447 183:211 184:293 185:1
186:1211 187:769 188:847 189:897 190:4830 192:5796
193:4905 194:3487 195:2995 196:1231 197:19 198:3517
199:3886 200:5508 201:1473 202:8034 203:8248 204:4101
205:2298 206:2599 207:2800 208:3964 209:3449 210:2644
211:1381 212:2023 213:1735 214:728 215:72 216:4922
217:1637 218:535 219:361 220:1195 221:474 222:308
223:148

End of report
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[bgp-stats] Routing Table Report - Japan view

* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 05 Jun, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 358555
Prefixes after maximum aggregation: 162385
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 178121
Total ASes present in the Internet Routing Table: 37769
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 31535
Origin ASes announcing only one prefix: 15156
Transit ASes present in the Internet Routing Table: 5103
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 748
Unregistered ASNs in the Routing Table: 396
Number of 32-bit ASNs allocated by the RIRs: 1425
Number of 32-bit ASNs visible in the Routing Table: 1131
Prefixes from 32-bit ASNs in the Routing Table: 2608
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2451517184
Equivalent to 146 /8s, 31 /16s and 47 /24s
Percentage of available address space announced: 66.1
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 149582

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88791
Total APNIC prefixes after maximum aggregation: 30064
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 85260
Unique aggregates announced from the APNIC address blocks: 36630
APNIC Region origin ASes present in the Internet Routing Table: 4474
APNIC Prefixes per ASN: 19.06
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 706
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 47
Number of APNIC addresses announced to Internet: 619775008
Equivalent to 36 /8s, 241 /16s and 4 /24s
Percentage of available APNIC address space announced: 78.6

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140545
Total ARIN prefixes after maximum aggregation: 71482
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112664
Unique aggregates announced from the ARIN address blocks: 46226
ARIN Region origin ASes present in the Internet Routing Table: 14406
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5502
ARIN Region transit ASes present in the Internet Routing Table: 1507
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 802004224
Equivalent to 47 /8s, 205 /16s and 157 /24s
Percentage of available ARIN address space announced: 63.7

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 85230
Total RIPE prefixes after maximum aggregation: 48506
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 78674
Unique aggregates announced from the RIPE address blocks: 52064
RIPE Region origin ASes present in the Internet Routing Table: 15652
RIPE Prefixes per ASN: 5.03
RIPE Region origin ASes announcing only one prefix: 7828
RIPE Region transit ASes present in the Internet Routing Table: 2460
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 833
Number of RIPE addresses announced to Internet: 475494656
Equivalent to 28 /8s, 87 /16s and 121 /24s
Percentage of available RIPE address space announced: 76.6

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33112
Total LACNIC prefixes after maximum aggregation: 7508
LACNIC Deaggregation factor: 4.41
Prefixes being announced from the LACNIC address blocks: 32214
Unique aggregates announced from the LACNIC address blocks: 16933
LACNIC Region origin ASes present in the Internet Routing Table: 1460
LACNIC Prefixes per ASN: 22.06
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 264
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 234
Number of LACNIC addresses announced to Internet: 84694848
Equivalent to 5 /8s, 12 /16s and 87 /24s
Percentage of available LACNIC address space announced: 56.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8044
Total AfriNIC prefixes after maximum aggregation: 1915
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6368
Unique aggregates announced from the AfriNIC address blocks: 1924
AfriNIC Region origin ASes present in the Internet Routing Table: 459
AfriNIC Prefixes per ASN: 13.87
AfriNIC Region origin ASes announcing only one prefix: 141
AfriNIC Region transit ASes present in the Internet Routing Table: 102
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23587840
Equivalent to 1 /8s, 103 /16s and 236 /24s
Percentage of available AfriNIC address space announced: 35.1

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2455 9499 920 Korea Telecom (KIX)
7545 1537 301 86 TPG Internet Pty Ltd
17974 1537 441 38 PT TELEKOMUNIKASI INDONESIA
4755 1469 634 165 TATA Communications formerly
24560 1155 337 187 Bharti Airtel Ltd., Telemedia
7552 1128 1064 7 Vietel Corporation
9583 1082 80 510 Sify Limited
4808 1051 2097 299 CNCGROUP IP network: China169
9829 1036 875 63 BSNL National Internet Backbo
18101 931 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3641 3822 256 bellsouth.net, inc.
4323 1973 1073 399 Time Warner Telecom
18566 1875 355 269 Covad Communications
1785 1790 681 122 PaeTec Communications, Inc.
6478 1716 318 45 AT&T Worldnet Services
20115 1535 1540 633 Charter Communications
19262 1492 4936 307 Verizon Global Networks
7018 1362 7052 890 AT&T WorldNet Services
22773 1338 2897 88 Cox Communications, Inc.
2386 1268 536 911 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 517 1780 320 UPC Distribution Services
34984 517 106 179 BILISIM TELEKOM
3292 461 2078 396 TDC Tele Danmark
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
20940 434 121 338 Akamai Technologies European
12479 430 593 7 Uni2 Autonomous System
3320 425 8152 370 Deutsche Telekom AG
8551 406 355 45 Bezeq International
702 396 1803 310 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1512 278 157 TVCABLE BOGOTA
8151 1374 2725 361 UniNet S.A. de C.V.
28573 1322 992 86 NET Servicos de Comunicao S.A
7303 960 504 154 Telecom Argentina Stet-France
6503 734 354 73 AVANTEL, S.A.
14420 675 54 89 CORPORACION NACIONAL DE TELEC
22047 565 310 15 VTR PUNTO NET S.A.
3816 527 231 93 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
13489 516 262 122 Orbitel S.A. E.S.P.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 804 445 11 TEDATA
24863 792 147 37 LINKdotNET AS number
15475 544 90 8 Nile Online
36992 292 399 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 218 12 11 Starcomms Nigeria Limited
24835 210 78 10 RAYA Telecom - Egypt
29571 193 19 12 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3641 3822 256 bellsouth.net, inc.
23456 2608 644 1408 32-bit ASN transition
4766 2455 9499 920 Korea Telecom (KIX)
4323 1973 1073 399 Time Warner Telecom
18566 1875 355 269 Covad Communications
1785 1790 681 122 PaeTec Communications, Inc.
6478 1716 318 45 AT&T Worldnet Services
7545 1537 301 86 TPG Internet Pty Ltd
17974 1537 441 38 PT TELEKOMUNIKASI INDONESIA
20115 1535 1540 633 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6478 1716 1671 AT&T Worldnet Services
1785 1790 1668 PaeTec Communications, Inc.
18566 1875 1606 Covad Communications
4323 1973 1574 Time Warner Telecom
4766 2455 1535 Korea Telecom (KIX)
17974 1537 1499 PT TELEKOMUNIKASI INDONESIA
7545 1537 1451 TPG Internet Pty Ltd
10620 1512 1355 TVCABLE BOGOTA
4755 1469 1304 TATA Communications formerly
22773 1338 1250 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:81 /12:228
/13:461 /14:798 /15:1395 /16:11912 /17:5844 /18:9768
/19:19343 /20:25722 /21:25933 /22:34118 /23:33093 /24:186558
/25:1081 /26:1273 /27:710 /28:161 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2243 3641 bellsouth.net, inc.
18566 1838 1875 Covad Communications
6478 1670 1716 AT&T Worldnet Services
10620 1402 1512 TVCABLE BOGOTA
23456 1280 2608 32-bit ASN transition
11492 1107 1153 Cable One
7011 1062 1161 Citizens Utilities
1785 1050 1790 PaeTec Communications, Inc.
4323 885 1973 Time Warner Telecom
22773 853 1338 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:282 2:48 4:16 5:1 6:3 8:337
12:1980 13:1 14:463 15:15 16:3 17:8
20:10 23:11 24:1613 27:765 31:419 32:57
33:4 34:2 37:1 38:738 40:102 41:2532
42:6 44:3 46:928 47:3 49:199 50:435
52:13 54:2 55:3 56:2 57:29 58:840
59:475 60:387 61:1120 62:1047 63:1926 64:3942
65:2289 66:4147 67:1868 68:1091 69:2987 70:704
71:352 72:1883 73:1 74:2356 75:306 76:341
77:874 78:703 79:460 80:1091 81:836 82:496
83:441 84:677 85:1068 86:591 87:753 88:331
89:1531 90:203 91:3807 92:524 93:1050 94:1287
95:816 96:506 97:250 98:861 99:35 101:61
103:51 106:1 107:7 108:85 109:960 110:599
111:709 112:304 113:404 114:536 115:677 116:954
117:692 118:798 119:1139 120:312 121:670 122:1625
123:952 124:1270 125:1214 128:261 129:175 130:164
131:572 132:108 133:19 134:213 135:48 136:210
137:138 138:299 139:109 140:480 141:239 142:404
143:396 144:488 145:54 146:440 147:210 148:591
149:246 150:173 151:184 152:328 153:179 154:3
155:397 156:198 157:352 158:138 159:380 160:316
161:207 162:281 163:164 164:500 165:354 166:515
167:427 168:727 169:155 170:802 171:77 172:1
173:1561 174:551 175:370 176:130 177:147 178:994
180:857 181:18 182:459 183:212 184:294 185:1
186:1211 187:771 188:847 189:897 190:4848 192:5837
193:4899 194:3490 195:2994 196:1224 197:19 198:3569
199:3919 200:5537 201:1479 202:8276 203:8340 204:4175
205:2318 206:2684 207:2870 208:3969 209:3475 210:2709
211:1400 212:2003 213:1734 214:723 215:72 216:4943
217:1635 218:547 219:363 220:1202 221:490 222:316
223:150

End of report
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Friday, June 3, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 04 Jun, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 363547
Prefixes after maximum aggregation: 163768
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 178083
Total ASes present in the Internet Routing Table: 37800
Prefixes per ASN: 9.62
Origin-only ASes present in the Internet Routing Table: 31685
Origin ASes announcing only one prefix: 15110
Transit ASes present in the Internet Routing Table: 4983
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 29
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3487
Unregistered ASNs in the Routing Table: 423
Number of 32-bit ASNs allocated by the RIRs: 1425
Number of 32-bit ASNs visible in the Routing Table: 1132
Prefixes from 32-bit ASNs in the Routing Table: 2607
Special use prefixes present in the Routing Table: 78
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2451851880
Equivalent to 146 /8s, 36 /16s and 74 /24s
Percentage of available address space announced: 66.2
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 151521

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 86784
Total APNIC prefixes after maximum aggregation: 28958
APNIC Deaggregation factor: 3.00
Prefixes being announced from the APNIC address blocks: 83341
Unique aggregates announced from the APNIC address blocks: 36615
APNIC Region origin ASes present in the Internet Routing Table: 4456
APNIC Prefixes per ASN: 18.70
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 692
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 47
Number of APNIC addresses announced to Internet: 619782850
Equivalent to 36 /8s, 241 /16s and 34 /24s
Percentage of available APNIC address space announced: 78.6

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 143745
Total ARIN prefixes after maximum aggregation: 73572
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 115530
Unique aggregates announced from the ARIN address blocks: 46175
ARIN Region origin ASes present in the Internet Routing Table: 14422
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5487
ARIN Region transit ASes present in the Internet Routing Table: 1451
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 802041624
Equivalent to 47 /8s, 206 /16s and 47 /24s
Percentage of available ARIN address space announced: 63.7

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 88511
Total RIPE prefixes after maximum aggregation: 48872
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 81169
Unique aggregates announced from the RIPE address blocks: 51924
RIPE Region origin ASes present in the Internet Routing Table: 15698
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 7792
RIPE Region transit ASes present in the Internet Routing Table: 2428
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 20
Number of RIPE region 32-bit ASNs visible in the Routing Table: 838
Number of RIPE addresses announced to Internet: 475663852
Equivalent to 28 /8s, 90 /16s and 13 /24s
Percentage of available RIPE address space announced: 76.6

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33125
Total LACNIC prefixes after maximum aggregation: 7527
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 32375
Unique aggregates announced from the LACNIC address blocks: 16938
LACNIC Region origin ASes present in the Internet Routing Table: 1456
LACNIC Prefixes per ASN: 22.24
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 257
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 230
Number of LACNIC addresses announced to Internet: 84696328
Equivalent to 5 /8s, 12 /16s and 93 /24s
Percentage of available LACNIC address space announced: 56.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8450
Total AfriNIC prefixes after maximum aggregation: 1931
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 6395
Unique aggregates announced from the AfriNIC address blocks: 1925
AfriNIC Region origin ASes present in the Internet Routing Table: 460
AfriNIC Prefixes per ASN: 13.90
AfriNIC Region origin ASes announcing only one prefix: 143
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23588864
Equivalent to 1 /8s, 103 /16s and 240 /24s
Percentage of available AfriNIC address space announced: 35.2

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1899 9504 617 Korea Telecom (KIX)
17974 1542 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1537 301 87 TPG Internet Pty Ltd
4755 1469 630 165 Videsh Sanchar Nigam Ltd. Aut
24560 1155 337 187 Bharti Airtel Ltd.
7552 1141 1064 7 Vietel Corporation
9583 1083 81 511 Sify Limited
9829 1037 876 62 BSNL National Internet Backbo
4808 1035 2080 295 CNCGROUP IP network: China169
17488 945 170 104 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3640 3822 256 bellsouth.net, inc.
4323 1975 1097 401 Time Warner Telecom
18566 1919 363 266 Covad Communications
1785 1791 681 123 AppliedTheory Corporation
6478 1716 318 45 AT&T Worldnet Services
20115 1586 1543 633 Charter Communications
19262 1493 4936 308 Verizon Global Networks
7018 1377 7101 901 AT&T WorldNet Services
22773 1338 2897 88 Cox Communications, Inc.
2386 1269 536 911 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
286 1047 798 192 KPNQwest Backbone AS
9116 539 326 30 Goldenlines main autonomous s
6830 518 1780 320 UPC Distribution Services
34984 517 106 179 Tellcom Iletisim Hizmetleri
3292 516 2078 397 TDC Tele Danmark
20940 462 134 353 Akamai Technologies European
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
12479 429 593 7 Uni2 Autonomous System
3320 425 8152 370 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1512 278 157 TVCABLE BOGOTA
8151 1386 2707 362 Uninet S.A. de C.V.
28573 1322 992 86 Types of queries are: POCs, o
7303 960 504 154 Telecom Argentina Stet-France
6503 735 354 74 AVANTEL, S.A.
14420 675 54 89 Types of queries are: POCs, o
22047 565 310 15 Types of queries are: POCs, o
3816 529 231 92 COLOMBIA TELECOMUNICACIONES S
13489 518 263 122 Orbitel S.A. E.S.P.
7738 516 986 31 Telecomunicacoes da Bahia S.A

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 833 445 11 TEDATA
24863 793 147 38 LINKdotNET AS number
15475 545 90 8 Nile Online
16637 296 441 87 Johnnic e-Ventures
36992 295 399 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 217 12 11 Starcomms Nigeria Limited
24835 210 78 10 RAYA Telecom - Egypt
29571 192 17 11 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3640 3822 256 bellsouth.net, inc.
23456 2607 643 1407 >>UNKNOWN<<
4323 1975 1097 401 Time Warner Telecom
18566 1919 363 266 Covad Communications
4766 1899 9504 617 Korea Telecom (KIX)
1785 1791 681 123 AppliedTheory Corporation
6478 1716 318 45 AT&T Worldnet Services
20115 1586 1543 633 Charter Communications
17974 1542 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1537 301 87 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6478 1716 1671 AT&T Worldnet Services
1785 1791 1668 AppliedTheory Corporation
18566 1919 1653 Covad Communications
4323 1975 1574 Time Warner Telecom
17974 1542 1504 PT TELEKOMUNIKASI INDONESIA
7545 1537 1450 TPG Internet Pty Ltd
10620 1512 1355 TVCABLE BOGOTA
4755 1469 1304 Videsh Sanchar Nigam Ltd. Aut
4766 1899 1282 Korea Telecom (KIX)
22773 1338 1250 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:81 /12:228
/13:461 /14:804 /15:1423 /16:12028 /17:6086 /18:10056
/19:19860 /20:26511 /21:26381 /22:34535 /23:33624 /24:188534
/25:373 /26:351 /27:181 /28:304 /29:280 /30:681
/31:75 /32:630

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2242 3640 bellsouth.net, inc.
18566 1876 1919 Covad Communications
6478 1670 1716 AT&T Worldnet Services
10620 1402 1512 TVCABLE BOGOTA
23456 1278 2607 >>UNKNOWN<<
11492 1107 1153 Cable One
7011 1062 1161 Citizens Utilities
1785 1050 1791 AppliedTheory Corporation
286 905 1047 KPNQwest Backbone AS
4323 886 1975 Time Warner Telecom

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:282 2:69 4:20 5:1 6:3 8:338
12:1982 13:1 14:463 15:15 16:3 17:8
20:10 23:6 24:1626 27:755 31:422 32:126
33:4 34:2 37:1 38:739 40:102 41:2541
42:6 44:3 46:942 47:3 49:200 50:435
52:13 54:2 55:3 56:2 57:39 58:841
59:481 60:387 61:1132 62:1065 63:1952 64:3972
65:2291 66:4176 67:1895 68:1268 69:3095 70:749
71:357 72:1916 73:3 74:2410 75:320 76:349
77:914 78:706 79:482 80:1101 81:844 82:514
83:459 84:697 85:1082 86:607 87:780 88:337
89:1573 90:203 91:3826 92:525 93:1077 94:1318
95:837 96:507 97:250 98:867 99:35 101:61
103:47 106:1 107:7 108:85 109:966 110:600
111:708 112:304 113:403 114:540 115:670 116:972
117:693 118:797 119:1141 120:311 121:671 122:1626
123:962 124:1270 125:1217 128:262 129:178 130:164
131:571 132:109 133:19 134:214 135:48 136:214
137:145 138:300 139:121 140:480 141:239 142:407
143:406 144:486 145:54 146:448 147:221 148:595
149:244 150:172 151:184 152:328 153:179 154:3
155:397 156:195 157:353 158:138 159:380 160:317
161:207 162:281 163:165 164:501 165:372 166:515
167:427 168:727 169:156 170:801 171:77 172:1
173:1575 174:554 175:370 176:130 177:148 178:1002
180:858 181:18 182:460 183:212 184:375 185:1
186:1216 187:772 188:867 189:888 190:4868 192:5881
193:4926 194:3550 195:3124 196:1235 197:19 198:3577
199:3930 200:5541 201:1482 202:8281 203:8394 204:4187
205:2321 206:2761 207:2880 208:3988 209:3488 210:2725
211:1399 212:2052 213:1774 214:729 215:71 216:4966
217:1644 218:552 219:367 220:1199 221:491 222:316
223:150

End of report
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