BGP Routing: 2011-06-26

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, July 2, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 03 Jul, 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: 367432
Prefixes after maximum aggregation: 166002
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 179632
Total ASes present in the Internet Routing Table: 38086
Prefixes per ASN: 9.65
Origin-only ASes present in the Internet Routing Table: 31712
Origin ASes announcing only one prefix: 15176
Transit ASes present in the Internet Routing Table: 5144
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 3822
Unregistered ASNs in the Routing Table: 509
Number of 32-bit ASNs allocated by the RIRs: 1521
Number of 32-bit ASNs visible in the Routing Table: 1230
Prefixes from 32-bit ASNs in the Routing Table: 2829
Special use prefixes present in the Routing Table: 78
Prefixes being announced from unallocated address space: 133
Number of addresses announced to Internet: 2493244295
Equivalent to 148 /8s, 155 /16s and 227 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
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: 152857

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

Prefixes being announced by APNIC Region ASes: 87936
Total APNIC prefixes after maximum aggregation: 29105
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 84806
Unique aggregates announced from the APNIC address blocks: 36988
APNIC Region origin ASes present in the Internet Routing Table: 4478
APNIC Prefixes per ASN: 18.94
APNIC Region origin ASes announcing only one prefix: 1257
APNIC Region transit ASes present in the Internet Routing Table: 707
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 53
Number of APNIC addresses announced to Internet: 621131201
Equivalent to 37 /8s, 5 /16s and 181 /24s
Percentage of available APNIC address space announced: 78.8

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: 144616
Total ARIN prefixes after maximum aggregation: 74791
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 116252
Unique aggregates announced from the ARIN address blocks: 46633
ARIN Region origin ASes present in the Internet Routing Table: 14466
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5511
ARIN Region transit ASes present in the Internet Routing Table: 1496
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 819647128
Equivalent to 48 /8s, 218 /16s and 210 /24s
Percentage of available ARIN address space announced: 65.1

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: 89692
Total RIPE prefixes after maximum aggregation: 49388
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 82334
Unique aggregates announced from the RIPE address blocks: 52509
RIPE Region origin ASes present in the Internet Routing Table: 15788
RIPE Prefixes per ASN: 5.21
RIPE Region origin ASes announcing only one prefix: 7822
RIPE Region transit ASes present in the Internet Routing Table: 2482
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 906
Number of RIPE addresses announced to Internet: 479307212
Equivalent to 28 /8s, 145 /16s and 165 /24s
Percentage of available RIPE address space announced: 77.2

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: 33657
Total LACNIC prefixes after maximum aggregation: 7606
LACNIC Deaggregation factor: 4.43
Prefixes being announced from the LACNIC address blocks: 32765
Unique aggregates announced from the LACNIC address blocks: 16854
LACNIC Region origin ASes present in the Internet Routing Table: 1472
LACNIC Prefixes per ASN: 22.26
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 270
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 254
Number of LACNIC addresses announced to Internet: 85627464
Equivalent to 5 /8s, 26 /16s and 146 /24s
Percentage of available LACNIC address space announced: 56.7

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: 8396
Total AfriNIC prefixes after maximum aggregation: 1968
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6482
Unique aggregates announced from the AfriNIC address blocks: 1986
AfriNIC Region origin ASes present in the Internet Routing Table: 464
AfriNIC Prefixes per ASN: 13.97
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: 4.1
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24283648
Equivalent to 1 /8s, 114 /16s and 138 /24s
Percentage of available AfriNIC address space announced: 36.2

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 1909 9525 632 Korea Telecom (KIX)
17974 1830 469 41 PT TELEKOMUNIKASI INDONESIA
7545 1542 301 85 TPG Internet Pty Ltd
4755 1475 371 161 Videsh Sanchar Nigam Ltd. Aut
24560 1153 336 187 Bharti Airtel Ltd.
9829 1098 914 45 BSNL National Internet Backbo
9583 1054 77 504 Sify Limited
4808 1025 2062 289 CNCGROUP IP network: China169
17488 966 184 104 Hathway IP Over Cable Interne
18101 934 116 140 Reliance Infocom Ltd Internet

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 3617 3819 246 bellsouth.net, inc.
18566 1957 372 223 Covad Communications
1785 1805 681 122 AppliedTheory Corporation
4323 1658 1098 400 Time Warner Telecom
20115 1592 1532 635 Charter Communications
19262 1450 4806 371 Verizon Global Networks
7018 1375 7086 901 AT&T WorldNet Services
7029 1358 967 205 Windstream Communications Inc
22773 1348 2897 88 Cox Communications, Inc.
6478 1340 248 614 AT&T Worldnet Services

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 1043 798 190 KPNQwest Backbone AS
9116 540 326 31 Goldenlines main autonomous s
34984 535 106 185 Tellcom Iletisim Hizmetleri
3292 522 2080 404 TDC Tele Danmark
6830 514 1780 318 UPC Distribution Services
20940 469 137 361 Akamai Technologies European
8866 452 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 437 593 7 Uni2 Autonomous System
35819 432 79 13 Bayanat Al-Oula Autonomous Sy

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 1541 282 157 TVCABLE BOGOTA
8151 1429 2724 357 Uninet S.A. de C.V.
28573 1273 996 80 Types of queries are: POCs, o
7303 1000 507 175 Telecom Argentina Stet-France
6503 756 354 75 AVANTEL, S.A.
14420 685 55 81 Types of queries are: POCs, o
22047 576 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 534 232 92 COLOMBIA TELECOMUNICACIONES S
27947 518 54 48 Telconet 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 795 445 11 TEDATA
24863 790 147 36 LINKdotNET AS number
15475 524 74 8 Nile Online
36992 315 415 14 Etisalat MISR
16637 294 441 87 Johnnic e-Ventures
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 199 12 8 Starcomms Nigeria Limited
29571 193 17 12 Ci Telecom Autonomous system
24835 181 78 10 RAYA Telecom - Egypt

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 3617 3819 246 bellsouth.net, inc.
23456 2829 694 1525 >>UNKNOWN<<
18566 1957 372 223 Covad Communications
4766 1909 9525 632 Korea Telecom (KIX)
17974 1830 469 41 PT TELEKOMUNIKASI INDONESIA
1785 1805 681 122 AppliedTheory Corporation
4323 1658 1098 400 Time Warner Telecom
20115 1592 1532 635 Charter Communications
7545 1542 301 85 TPG Internet Pty Ltd
10620 1541 282 157 TVCABLE BOGOTA

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

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

ASN No of nets Net Savings Description
17974 1830 1789 PT TELEKOMUNIKASI INDONESIA
18566 1957 1734 Covad Communications
1785 1805 1683 AppliedTheory Corporation
7545 1542 1457 TPG Internet Pty Ltd
10620 1541 1384 TVCABLE BOGOTA
4755 1475 1314 Videsh Sanchar Nigam Ltd. Aut
23456 2829 1304 >>UNKNOWN<<
4766 1909 1277 Korea Telecom (KIX)
22773 1348 1260 Cox Communications, Inc.
4323 1658 1258 Time Warner Telecom

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 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/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 /8:22 /9:12 /10:28 /11:81 /12:231
/13:462 /14:807 /15:1425 /16:12094 /17:6127 /18:10101
/19:19986 /20:27015 /21:26595 /22:35020 /23:34083 /24:190348
/25:390 /26:357 /27:185 /28:353 /29:292 /30:702
/31:65 /32:651

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

ASN No of nets Total ann. Description
6389 2225 3617 bellsouth.net, inc.
18566 1907 1957 Covad Communications
10620 1436 1541 TVCABLE BOGOTA
23456 1391 2829 >>UNKNOWN<<
6478 1311 1340 AT&T Worldnet Services
11492 1092 1138 Cable One
7029 1057 1358 Windstream Communications Inc
7011 1055 1156 Citizens Utilities
1785 1052 1805 AppliedTheory Corporation
286 903 1043 KPNQwest Backbone AS

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

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

1:320 2:67 4:20 5:1 6:3 8:337
12:1979 13:1 14:469 15:15 16:3 17:8
20:10 23:13 24:1680 27:815 31:492 32:135
33:4 34:2 36:4 37:1 38:743 39:3
40:103 41:2546 42:24 44:3 46:1000 47:3
49:196 50:435 52:13 54:2 55:4 56:2
57:43 58:861 59:478 60:386 61:1174 62:1068
63:1953 64:3967 65:2292 66:3901 67:1932 68:1273
69:3146 70:803 71:389 72:1923 73:2 74:2437
75:324 76:349 77:926 78:715 79:482 80:1128
81:852 82:518 83:468 84:699 85:1094 86:571
87:778 88:341 89:1572 90:211 91:3941 92:538
93:1085 94:1360 95:871 96:448 97:255 98:905
99:36 101:77 103:96 106:10 107:19 108:80
109:1026 110:615 111:674 112:298 113:399 114:545
115:670 116:976 117:669 118:850 119:1136 120:307
121:686 122:1603 123:961 124:1298 125:1234 128:247
129:176 130:168 131:576 132:111 133:21 134:216
135:48 136:203 137:136 138:299 139:128 140:480
141:241 142:406 143:416 144:482 145:54 146:450
147:224 148:655 149:247 150:163 151:189 152:330
153:180 154:4 155:399 156:199 157:353 158:137
159:451 160:314 161:210 162:309 163:165 164:510
165:375 166:528 167:432 168:739 169:159 170:847
171:78 172:1 173:1651 174:617 175:374 176:142
177:151 178:1004 180:880 181:22 182:490 183:222
184:407 185:1 186:1260 187:737 188:893 189:943
190:4862 192:5927 193:4991 194:3556 195:3159 196:1204
197:41 198:3584 199:3970 200:5444 201:1474 202:8394
203:8423 204:4227 205:2357 206:2755 207:2816 208:3979
209:3469 210:2697 211:1458 212:2153 213:1788 214:766
215:69 216:4947 217:1654 218:547 219:364 220:1207
221:494 222:361 223:181

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 03 Jul, 2011

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

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

BGP routing table entries examined: 356734
Prefixes after maximum aggregation: 162765
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 179646
Total ASes present in the Internet Routing Table: 36668
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 31632
Origin ASes announcing only one prefix: 15234
Transit ASes present in the Internet Routing Table: 5036
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: 30
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 2268
Unregistered ASNs in the Routing Table: 569
Number of 32-bit ASNs allocated by the RIRs: 1521
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2799
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 131
Number of addresses announced to Internet: 2491907328
Equivalent to 148 /8s, 135 /16s and 125 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
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: 147083

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

Prefixes being announced by APNIC Region ASes: 85695
Total APNIC prefixes after maximum aggregation: 28927
APNIC Deaggregation factor: 2.96
Prefixes being announced from the APNIC address blocks: 83403
Unique aggregates announced from the APNIC address blocks: 37132
APNIC Region origin ASes present in the Internet Routing Table: 4446
APNIC Prefixes per ASN: 18.76
APNIC Region origin ASes announcing only one prefix: 1258
APNIC Region transit ASes present in the Internet Routing Table: 674
Average APNIC Region AS path length visible: 4.1
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: 619523584
Equivalent to 36 /8s, 237 /16s and 46 /24s
Percentage of available APNIC address space announced: 78.6

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

Prefixes being announced by ARIN Region ASes: 140173
Total ARIN prefixes after maximum aggregation: 72245
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112459
Unique aggregates announced from the ARIN address blocks: 46602
ARIN Region origin ASes present in the Internet Routing Table: 14379
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5511
ARIN Region transit ASes present in the Internet Routing Table: 1453
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 802887680
Equivalent to 47 /8s, 219 /16s and 24 /24s
Percentage of available ARIN address space announced: 63.8

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

Prefixes being announced by RIPE Region ASes: 86730
Total RIPE prefixes after maximum aggregation: 49014
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80137
Unique aggregates announced from the RIPE address blocks: 52657
RIPE Region origin ASes present in the Internet Routing Table: 15754
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7873
RIPE Region transit ASes present in the Internet Routing Table: 2469
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478647552
Equivalent to 28 /8s, 135 /16s and 149 /24s
Percentage of available RIPE address space announced: 77.1

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

Prefixes being announced by LACNIC Region ASes: 32289
Total LACNIC prefixes after maximum aggregation: 7441
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 31740
Unique aggregates announced from the LACNIC address blocks: 16831
LACNIC Region origin ASes present in the Internet Routing Table: 1459
LACNIC Prefixes per ASN: 21.75
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 260
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 85635584
Equivalent to 5 /8s, 26 /16s and 178 /24s
Percentage of available LACNIC address space announced: 56.7

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: 8315
Total AfriNIC prefixes after maximum aggregation: 2012
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6474
Unique aggregates announced from the AfriNIC address blocks: 1958
AfriNIC Region origin ASes present in the Internet Routing Table: 464
AfriNIC Prefixes per ASN: 13.95
AfriNIC Region origin ASes announcing only one prefix: 144
AfriNIC Region transit ASes present in the Internet Routing Table: 102
Average AfriNIC Region AS path length visible: 3.4
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: 24281600
Equivalent to 1 /8s, 114 /16s and 130 /24s
Percentage of available AfriNIC address space announced: 36.2

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 1903 9492 626 Korea Telecom (KIX)
17974 1544 461 42 PT Telekomunikasi Indonesia
7545 1541 301 84 TPG Internet Pty Ltd
4755 1472 371 161 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1098 914 45 National Internet Backbone
9583 1056 78 506 Sify Limited
17488 954 185 117 Hathway IP Over Cable Interne
4808 951 2007 275 CNCGROUP IP network China169
18101 934 116 140 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 3617 3819 246 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1805 681 122 PaeTec Communications, Inc.
4323 1659 1098 401 tw telecom holdings, inc.
20115 1593 1532 636 Charter Communications
19262 1449 4806 370 Verizon Online LLC
7029 1383 1031 207 Windstream Communications Inc
7018 1377 7102 903 AT&T Services, Inc.
22773 1347 2897 88 Cox Communications Inc.
6478 1340 248 614 AT&T Services, Inc.

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 540 326 31 Goldenlines main autonomous s
34984 535 106 185 BILISIM TELEKOM
6830 512 1780 318 UPC Broadband
3292 469 2080 404 TDC Data Networks
20940 468 137 361 Akamai Technologies European
8866 451 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 438 593 7 France Telecom Espana SA
3320 420 8151 367 Deutsche Telekom AG
8551 405 355 38 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 1541 282 157 Types of queries are: POCs, o
28573 1258 996 80 Types of queries are: POCs, o
8151 1254 2724 352 Uninet S.A. de C.V.
7303 977 506 163 Telecom Argentina S.A.
6503 736 354 74 Axtel, S.A.B. de C.V.
14420 685 55 81 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 536 232 91 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 495 100 85 Alestra, S. de R.L. de C.V.

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 793 445 11 TEDATA
24863 788 147 35 LINKdotNET AS number
15475 524 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 212 12 8 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
24835 180 78 10 RAYA Telecom - Egypt
16637 149 441 87 MTN Network Solutions

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 3617 3819 246 BellSouth.net Inc.
23456 2799 693 1516 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1903 9492 626 Korea Telecom (KIX)
1785 1805 681 122 PaeTec Communications, Inc.
4323 1659 1098 401 tw telecom holdings, inc.
20115 1593 1532 636 Charter Communications
17974 1544 461 42 PT Telekomunikasi Indonesia
7545 1541 301 84 TPG Internet Pty Ltd
10620 1541 282 157 Types of queries are: POCs, o

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 1805 1683 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1544 1502 PT Telekomunikasi Indonesia
7545 1541 1457 TPG Internet Pty Ltd
10620 1541 1384 Types of queries are: POCs, o
4755 1472 1311 TATA Communications formerly
23456 2799 1283 32-bit ASN transition
4766 1903 1277 Korea Telecom (KIX)
22773 1347 1259 Cox Communications Inc.
4323 1659 1258 tw telecom holdings, 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.
15132 UNALLOCATED 12.9.150.0/24 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.

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 /8:22 /9:12 /10:28 /11:81 /12:231
/13:461 /14:799 /15:1396 /16:11952 /17:5854 /18:9737
/19:19550 /20:25891 /21:26074 /22:34368 /23:33158 /24:186610
/25:13 /26:19 /27:26 /28:161 /29:103 /30:57
/31:0 /32:131

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

ASN No of nets Total ann. Description
6389 2225 3617 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1436 1541 Types of queries are: POCs, o
23456 1375 2799 32-bit ASN transition
6478 1311 1340 AT&T Services, Inc.
11492 1090 1136 CABLE ONE, INC.
7029 1063 1383 Windstream Communications Inc
7011 1055 1156 Frontier Communications of Am
1785 1052 1805 PaeTec Communications, Inc.
22773 861 1347 Cox Communications Inc.

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

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

1:318 2:45 4:16 5:1 6:3 8:336
12:1965 13:1 14:461 15:15 16:3 17:8
20:10 23:13 24:1662 27:810 31:487 32:59
33:4 34:2 36:4 37:1 38:736 39:3
40:103 41:2541 42:30 44:3 46:989 47:3
49:196 50:435 52:13 54:2 55:4 56:2
57:32 58:815 59:474 60:384 61:1012 62:1047
63:1930 64:3919 65:2288 66:3857 67:1899 68:1083
69:3033 70:755 71:389 72:1890 74:2380 75:311
76:340 77:885 78:710 79:470 80:1118 81:846
82:507 83:460 84:687 85:1078 86:549 87:761
88:337 89:1531 90:211 91:3928 92:536 93:1054
94:1330 95:851 96:441 97:255 98:889 99:36
101:72 103:100 106:10 107:19 108:71 109:1016
110:604 111:712 112:294 113:403 114:544 115:661
116:948 117:666 118:809 119:1133 120:307 121:645
122:1598 123:951 124:1261 125:1221 128:208 129:167
130:162 131:571 132:103 133:21 134:207 135:48
136:201 137:133 138:299 139:113 140:459 141:241
142:387 143:413 144:479 145:54 146:444 147:213
148:590 149:246 150:155 151:189 152:328 153:180
154:3 155:399 156:196 157:322 158:137 159:384
160:313 161:201 162:306 163:155 164:510 165:355
166:528 167:432 168:735 169:156 170:843 171:78
172:1 173:1632 174:615 175:360 176:142 177:146
178:987 180:865 181:21 182:473 183:223 184:325
185:1 186:1258 187:730 188:873 189:943 190:4838
192:5847 193:4967 194:3495 195:3027 196:1198 197:41
198:3515 199:3928 200:5349 201:1468 202:8193 203:8332
204:4147 205:2335 206:2592 207:2736 208:3952 209:3424
210:2599 211:1446 212:2112 213:1745 214:764 215:69
216:4902 217:1641 218:532 219:357 220:1197 221:476
222:311 223:179

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 03 Jul, 2011

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

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

BGP routing table entries examined: 362116
Prefixes after maximum aggregation: 164784
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 179699
Total ASes present in the Internet Routing Table: 38060
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31665
Origin ASes announcing only one prefix: 15216
Transit ASes present in the Internet Routing Table: 5174
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 876
Unregistered ASNs in the Routing Table: 484
Number of 32-bit ASNs allocated by the RIRs: 1521
Number of 32-bit ASNs visible in the Routing Table: 1221
Prefixes from 32-bit ASNs in the Routing Table: 2792
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 132
Number of addresses announced to Internet: 2492360064
Equivalent to 148 /8s, 142 /16s and 101 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
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: 150914

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

Prefixes being announced by APNIC Region ASes: 90068
Total APNIC prefixes after maximum aggregation: 30248
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 86827
Unique aggregates announced from the APNIC address blocks: 37027
APNIC Region origin ASes present in the Internet Routing Table: 4496
APNIC Prefixes per ASN: 19.31
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 708
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 53
Number of APNIC addresses announced to Internet: 621134752
Equivalent to 37 /8s, 5 /16s and 195 /24s
Percentage of available APNIC address space announced: 78.8

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

Prefixes being announced by ARIN Region ASes: 141413
Total ARIN prefixes after maximum aggregation: 72839
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113376
Unique aggregates announced from the ARIN address blocks: 46629
ARIN Region origin ASes present in the Internet Routing Table: 14459
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5524
ARIN Region transit ASes present in the Internet Routing Table: 1519
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 819625856
Equivalent to 48 /8s, 218 /16s and 127 /24s
Percentage of available ARIN address space announced: 65.1

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

Prefixes being announced by RIPE Region ASes: 86318
Total RIPE prefixes after maximum aggregation: 49062
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79751
Unique aggregates announced from the RIPE address blocks: 52676
RIPE Region origin ASes present in the Internet Routing Table: 15764
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7867
RIPE Region transit ASes present in the Internet Routing Table: 2501
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 900
Number of RIPE addresses announced to Internet: 478642176
Equivalent to 28 /8s, 135 /16s and 128 /24s
Percentage of available RIPE address space announced: 77.1

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

Prefixes being announced by LACNIC Region ASes: 33114
Total LACNIC prefixes after maximum aggregation: 7557
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 32203
Unique aggregates announced from the LACNIC address blocks: 16866
LACNIC Region origin ASes present in the Internet Routing Table: 1472
LACNIC Prefixes per ASN: 21.88
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 267
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 251
Number of LACNIC addresses announced to Internet: 85562944
Equivalent to 5 /8s, 25 /16s and 150 /24s
Percentage of available LACNIC address space announced: 56.7

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: 8200
Total AfriNIC prefixes after maximum aggregation: 1960
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6473
Unique aggregates announced from the AfriNIC address blocks: 1985
AfriNIC Region origin ASes present in the Internet Routing Table: 463
AfriNIC Prefixes per ASN: 13.98
AfriNIC Region origin ASes announcing only one prefix: 142
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24269056
Equivalent to 1 /8s, 114 /16s and 81 /24s
Percentage of available AfriNIC address space announced: 36.2

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 2464 9500 931 Korea Telecom (KIX)
17974 1829 461 42 PT TELEKOMUNIKASI INDONESIA
7545 1543 301 85 TPG Internet Pty Ltd
4755 1477 631 163 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1098 914 45 BSNL National Internet Backbo
9583 1056 78 506 Sify Limited
4808 1050 2091 298 CNCGROUP IP network: China169
17488 936 184 115 Hathway IP Over Cable Interne
18101 932 116 139 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 3618 3819 245 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1802 681 122 PaeTec Communications, Inc.
4323 1659 1082 400 Time Warner Telecom
20115 1593 1532 636 Charter Communications
19262 1449 4806 370 Verizon Global Networks
7018 1363 7069 890 AT&T WorldNet Services
22773 1348 2897 88 Cox Communications, Inc.
6478 1340 248 614 AT&T Worldnet Services
7029 1285 790 298 Windstream Communications Inc

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
34984 535 106 185 BILISIM TELEKOM
6830 513 1780 318 UPC Distribution Services
3292 469 2080 404 TDC Tele Danmark
20940 467 137 360 Akamai Technologies European
8866 451 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 438 593 7 Uni2 Autonomous System
3320 420 8151 367 Deutsche Telekom AG
8551 404 354 44 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 1541 282 157 TVCABLE BOGOTA
8151 1418 2742 352 UniNet S.A. de C.V.
28573 1272 996 80 NET Servicos de Comunicao S.A
7303 1000 507 175 Telecom Argentina Stet-France
6503 746 354 74 AVANTEL, S.A.
14420 685 55 81 CORPORACION NACIONAL DE TELEC
22047 576 322 17 VTR PUNTO NET S.A.
3816 534 232 92 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 502 53 53 Telconet S.A

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 795 445 11 TEDATA
24863 791 147 37 LINKdotNET AS number
15475 524 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 211 78 10 RAYA Telecom - Egypt
33776 199 12 8 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 149 441 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 3618 3819 245 bellsouth.net, inc.
23456 2792 691 1512 32-bit ASN transition
4766 2464 9500 931 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
17974 1829 461 42 PT TELEKOMUNIKASI INDONESIA
1785 1802 681 122 PaeTec Communications, Inc.
4323 1659 1082 400 Time Warner Telecom
20115 1593 1532 636 Charter Communications
7545 1543 301 85 TPG Internet Pty Ltd
10620 1541 282 157 TVCABLE BOGOTA

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

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

ASN No of nets Net Savings Description
17974 1829 1787 PT TELEKOMUNIKASI INDONESIA
1785 1802 1680 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2464 1533 Korea Telecom (KIX)
7545 1543 1458 TPG Internet Pty Ltd
10620 1541 1384 TVCABLE BOGOTA
4755 1477 1314 TATA Communications formerly
23456 2792 1280 32-bit ASN transition
22773 1348 1260 Cox Communications, Inc.
4323 1659 1259 Time Warner Telecom

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

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

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 /8:22 /9:12 /10:28 /11:81 /12:231
/13:461 /14:800 /15:1396 /16:11978 /17:5873 /18:9805
/19:19451 /20:25858 /21:26136 /22:34601 /23:33545 /24:188513
/25:1089 /26:1268 /27:746 /28:205 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2227 3618 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1436 1541 TVCABLE BOGOTA
23456 1373 2792 32-bit ASN transition
6478 1311 1340 AT&T Worldnet Services
11492 1092 1138 Cable One
7011 1055 1156 Citizens Utilities
1785 1052 1802 PaeTec Communications, Inc.
7029 1032 1285 Windstream Communications Inc
22773 862 1348 Cox Communications, Inc.

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

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

1:320 2:45 4:16 5:1 6:3 8:336
12:1976 13:1 14:469 15:15 16:3 17:8
20:10 23:13 24:1666 27:813 31:489 32:64
33:4 34:2 36:4 37:1 38:741 39:3
40:103 41:2543 42:24 44:3 46:992 47:3
49:196 50:435 52:13 54:2 55:4 56:2
57:33 58:860 59:476 60:386 61:1171 62:1048
63:1935 64:3944 65:2291 66:3874 67:1897 68:1095
69:3036 70:758 71:389 72:1890 74:2384 75:312
76:341 77:885 78:710 79:461 80:1118 81:844
82:502 83:457 84:688 85:1075 86:552 87:758
88:336 89:1533 90:211 91:3923 92:538 93:1053
94:1328 95:851 96:446 97:255 98:891 99:36
101:77 103:100 106:10 107:19 108:71 109:1018
110:607 111:713 112:303 113:410 114:544 115:668
116:969 117:669 118:854 119:1155 120:309 121:669
122:1603 123:968 124:1298 125:1238 128:246 129:173
130:168 131:572 132:111 133:21 134:215 135:48
136:203 137:136 138:299 139:115 140:479 141:241
142:403 143:411 144:482 145:54 146:449 147:213
148:655 149:247 150:163 151:189 152:330 153:179
154:4 155:399 156:199 157:352 158:137 159:451
160:314 161:210 162:309 163:165 164:510 165:354
166:528 167:432 168:740 169:158 170:847 171:78
172:1 173:1634 174:615 175:377 176:141 177:146
178:993 180:878 181:21 182:486 183:223 184:326
185:1 186:1257 187:729 188:873 189:943 190:4853
192:5895 193:4973 194:3495 195:3024 196:1222 197:41
198:3568 199:3962 200:5426 201:1478 202:8394 203:8418
204:4222 205:2345 206:2677 207:2808 208:3962 209:3449
210:2670 211:1454 212:2099 213:1743 214:760 215:69
216:4920 217:1644 218:544 219:361 220:1204 221:492
222:361 223:181

End of report
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Friday, July 1, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 02 Jul, 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: 367866
Prefixes after maximum aggregation: 165975
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 179808
Total ASes present in the Internet Routing Table: 38110
Prefixes per ASN: 9.65
Origin-only ASes present in the Internet Routing Table: 31727
Origin ASes announcing only one prefix: 15189
Transit ASes present in the Internet Routing Table: 5153
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 3814
Unregistered ASNs in the Routing Table: 511
Number of 32-bit ASNs allocated by the RIRs: 1514
Number of 32-bit ASNs visible in the Routing Table: 1230
Prefixes from 32-bit ASNs in the Routing Table: 2818
Special use prefixes present in the Routing Table: 78
Prefixes being announced from unallocated address space: 135
Number of addresses announced to Internet: 2493456967
Equivalent to 148 /8s, 159 /16s and 34 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
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: 153044

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

Prefixes being announced by APNIC Region ASes: 88063
Total APNIC prefixes after maximum aggregation: 29111
APNIC Deaggregation factor: 3.03
Prefixes being announced from the APNIC address blocks: 84929
Unique aggregates announced from the APNIC address blocks: 37052
APNIC Region origin ASes present in the Internet Routing Table: 4481
APNIC Prefixes per ASN: 18.95
APNIC Region origin ASes announcing only one prefix: 1257
APNIC Region transit ASes present in the Internet Routing Table: 705
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 53
Number of APNIC addresses announced to Internet: 621152193
Equivalent to 37 /8s, 6 /16s and 7 /24s
Percentage of available APNIC address space announced: 78.8

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

Prefixes being announced by ARIN Region ASes: 144536
Total ARIN prefixes after maximum aggregation: 74733
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 116194
Unique aggregates announced from the ARIN address blocks: 46629
ARIN Region origin ASes present in the Internet Routing Table: 14471
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5513
ARIN Region transit ASes present in the Internet Routing Table: 1500
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 819650456
Equivalent to 48 /8s, 218 /16s and 223 /24s
Percentage of available ARIN address space announced: 65.1

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

Prefixes being announced by RIPE Region ASes: 89721
Total RIPE prefixes after maximum aggregation: 49405
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 82361
Unique aggregates announced from the RIPE address blocks: 52524
RIPE Region origin ASes present in the Internet Routing Table: 15798
RIPE Prefixes per ASN: 5.21
RIPE Region origin ASes announcing only one prefix: 7832
RIPE Region transit ASes present in the Internet Routing Table: 2488
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 906
Number of RIPE addresses announced to Internet: 479327948
Equivalent to 28 /8s, 145 /16s and 246 /24s
Percentage of available RIPE address space announced: 77.2

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

Prefixes being announced by LACNIC Region ASes: 34022
Total LACNIC prefixes after maximum aggregation: 7617
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 33102
Unique aggregates announced from the LACNIC address blocks: 16977
LACNIC Region origin ASes present in the Internet Routing Table: 1474
LACNIC Prefixes per ASN: 22.46
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 272
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 254
Number of LACNIC addresses announced to Internet: 85717256
Equivalent to 5 /8s, 27 /16s and 241 /24s
Percentage of available LACNIC address space announced: 56.8

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: 8396
Total AfriNIC prefixes after maximum aggregation: 1967
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6462
Unique aggregates announced from the AfriNIC address blocks: 1973
AfriNIC Region origin ASes present in the Internet Routing Table: 466
AfriNIC Prefixes per ASN: 13.87
AfriNIC Region origin ASes announcing only one prefix: 145
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24312576
Equivalent to 1 /8s, 114 /16s and 251 /24s
Percentage of available AfriNIC address space announced: 36.2

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 1905 9525 629 Korea Telecom (KIX)
17974 1836 469 41 PT TELEKOMUNIKASI INDONESIA
7545 1542 301 85 TPG Internet Pty Ltd
4755 1475 371 161 Videsh Sanchar Nigam Ltd. Aut
24560 1153 336 187 Bharti Airtel Ltd.
9829 1097 914 45 BSNL National Internet Backbo
9583 1054 77 504 Sify Limited
4808 1027 2070 291 CNCGROUP IP network: China169
17488 975 186 103 Hathway IP Over Cable Interne
18101 934 116 140 Reliance Infocom Ltd Internet

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 3617 3819 246 bellsouth.net, inc.
18566 1957 372 223 Covad Communications
1785 1805 681 122 AppliedTheory Corporation
4323 1660 1098 400 Time Warner Telecom
20115 1592 1532 635 Charter Communications
19262 1451 4806 371 Verizon Global Networks
7018 1375 7070 900 AT&T WorldNet Services
7029 1360 967 205 Windstream Communications Inc
22773 1348 2897 88 Cox Communications, Inc.
6478 1338 248 613 AT&T Worldnet Services

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 1043 798 190 KPNQwest Backbone AS
9116 540 326 31 Goldenlines main autonomous s
34984 536 106 185 Tellcom Iletisim Hizmetleri
3292 522 2080 404 TDC Tele Danmark
6830 514 1780 318 UPC Distribution Services
20940 469 137 361 Akamai Technologies European
8866 452 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 438 593 7 Uni2 Autonomous System
35819 431 79 14 Bayanat Al-Oula Autonomous Sy

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 1541 282 157 TVCABLE BOGOTA
8151 1434 2724 357 Uninet S.A. de C.V.
28573 1272 996 80 Types of queries are: POCs, o
7303 1000 507 175 Telecom Argentina Stet-France
6503 757 354 75 AVANTEL, S.A.
14420 685 55 81 Types of queries are: POCs, o
22047 576 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 534 232 92 COLOMBIA TELECOMUNICACIONES S
27947 518 54 48 Telconet 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 792 445 11 TEDATA
24863 761 147 36 LINKdotNET AS number
15475 524 74 8 Nile Online
36992 315 415 14 Etisalat MISR
16637 295 441 87 Johnnic e-Ventures
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 211 78 10 RAYA Telecom - Egypt
33776 210 12 8 Starcomms Nigeria Limited
29571 193 17 12 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 3617 3819 246 bellsouth.net, inc.
23456 2818 695 1523 >>UNKNOWN<<
18566 1957 372 223 Covad Communications
4766 1905 9525 629 Korea Telecom (KIX)
17974 1836 469 41 PT TELEKOMUNIKASI INDONESIA
1785 1805 681 122 AppliedTheory Corporation
4323 1660 1098 400 Time Warner Telecom
20115 1592 1532 635 Charter Communications
7545 1542 301 85 TPG Internet Pty Ltd
10620 1541 282 157 TVCABLE BOGOTA

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

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

ASN No of nets Net Savings Description
17974 1836 1795 PT TELEKOMUNIKASI INDONESIA
18566 1957 1734 Covad Communications
1785 1805 1683 AppliedTheory Corporation
7545 1542 1457 TPG Internet Pty Ltd
10620 1541 1384 TVCABLE BOGOTA
4755 1475 1314 Videsh Sanchar Nigam Ltd. Aut
23456 2818 1295 >>UNKNOWN<<
4766 1905 1276 Korea Telecom (KIX)
4323 1660 1260 Time Warner Telecom
22773 1348 1260 Cox Communications, Inc.

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

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

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
--------------------------------

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.
31.135.216.0/21 51388 UAB Marsatas
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 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 /8:22 /9:12 /10:28 /11:81 /12:231
/13:462 /14:808 /15:1425 /16:12095 /17:6128 /18:10103
/19:19983 /20:27020 /21:26616 /22:35031 /23:34121 /24:190703
/25:389 /26:356 /27:184 /28:358 /29:292 /30:703
/31:65 /32:650

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

ASN No of nets Total ann. Description
6389 2225 3617 bellsouth.net, inc.
18566 1907 1957 Covad Communications
10620 1436 1541 TVCABLE BOGOTA
23456 1385 2818 >>UNKNOWN<<
6478 1309 1338 AT&T Worldnet Services
11492 1093 1139 Cable One
7029 1059 1360 Windstream Communications Inc
7011 1055 1156 Citizens Utilities
1785 1052 1805 AppliedTheory Corporation
286 903 1043 KPNQwest Backbone AS

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

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

1:319 2:70 4:20 5:1 6:3 8:337
12:1979 13:1 14:472 15:15 16:3 17:8
20:10 23:13 24:1670 27:812 31:491 32:135
33:4 34:2 36:4 37:1 38:743 39:3
40:103 41:2552 42:23 44:3 46:1000 47:3
49:196 50:431 52:13 54:2 55:4 56:2
57:43 58:860 59:477 60:386 61:1176 62:1069
63:1954 64:3969 65:2293 66:3901 67:1933 68:1273
69:3137 70:803 71:394 72:1923 73:2 74:2435
75:325 76:349 77:926 78:717 79:482 80:1128
81:852 82:518 83:468 84:708 85:1095 86:571
87:779 88:339 89:1572 90:211 91:3935 92:537
93:1085 94:1352 95:874 96:448 97:254 98:906
99:36 101:77 103:100 106:10 107:19 108:80
109:1025 110:616 111:713 112:305 113:409 114:550
115:671 116:984 117:669 118:851 119:1152 120:308
121:686 122:1612 123:963 124:1298 125:1237 128:247
129:176 130:168 131:575 132:112 133:21 134:215
135:48 136:215 137:136 138:299 139:128 140:480
141:241 142:406 143:417 144:481 145:54 146:450
147:223 148:660 149:247 150:163 151:190 152:330
153:180 154:4 155:399 156:199 157:352 158:138
159:452 160:314 161:211 162:307 163:164 164:510
165:372 166:528 167:432 168:740 169:159 170:847
171:78 172:1 173:1652 174:617 175:377 176:142
177:151 178:1002 180:881 181:22 182:489 183:219
184:407 185:1 186:1258 187:736 188:892 189:944
190:4952 192:5923 193:4995 194:3554 195:3161 196:1229
197:41 198:3585 199:3973 200:5542 201:1498 202:8404
203:8421 204:4228 205:2352 206:2754 207:2818 208:3977
209:3471 210:2692 211:1463 212:2148 213:1789 214:770
215:70 216:4949 217:1654 218:547 219:364 220:1207
221:494 222:361 223:180

End of report
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