BGP Routing: 2011-07-24

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 30, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 31 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: 371434
Prefixes after maximum aggregation: 167278
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 181469
Total ASes present in the Internet Routing Table: 38334
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 31900
Origin ASes announcing only one prefix: 15243
Transit ASes present in the Internet Routing Table: 5135
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 4098
Unregistered ASNs in the Routing Table: 582
Number of 32-bit ASNs allocated by the RIRs: 1605
Number of 32-bit ASNs visible in the Routing Table: 1299
Prefixes from 32-bit ASNs in the Routing Table: 3011
Special use prefixes present in the Routing Table: 79
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2489167752
Equivalent to 148 /8s, 93 /16s and 175 /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: 91.2
Total number of prefixes smaller than registry allocations: 154595

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

Prefixes being announced by APNIC Region ASes: 89596
Total APNIC prefixes after maximum aggregation: 29298
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 86234
Unique aggregates announced from the APNIC address blocks: 37716
APNIC Region origin ASes present in the Internet Routing Table: 4506
APNIC Prefixes per ASN: 19.14
APNIC Region origin ASes announcing only one prefix: 1257
APNIC Region transit ASes present in the Internet Routing Table: 693
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 67
Number of APNIC addresses announced to Internet: 622513665
Equivalent to 37 /8s, 26 /16s and 206 /24s
Percentage of available APNIC address space announced: 78.9

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: 145517
Total ARIN prefixes after maximum aggregation: 75204
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 116977
Unique aggregates announced from the ARIN address blocks: 46711
ARIN Region origin ASes present in the Internet Routing Table: 14525
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5550
ARIN Region transit ASes present in the Internet Routing Table: 1497
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803266456
Equivalent to 47 /8s, 224 /16s and 223 /24s
Percentage of available ARIN address space announced: 63.8

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: 90244
Total RIPE prefixes after maximum aggregation: 49815
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 82818
Unique aggregates announced from the RIPE address blocks: 52843
RIPE Region origin ASes present in the Internet Routing Table: 15857
RIPE Prefixes per ASN: 5.22
RIPE Region origin ASes announcing only one prefix: 7850
RIPE Region transit ASes present in the Internet Routing Table: 2485
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 939
Number of RIPE addresses announced to Internet: 485100364
Equivalent to 28 /8s, 234 /16s and 11 /24s
Percentage of available RIPE address space announced: 78.1

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: 34437
Total LACNIC prefixes after maximum aggregation: 7680
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 33622
Unique aggregates announced from the LACNIC address blocks: 17310
LACNIC Region origin ASes present in the Internet Routing Table: 1491
LACNIC Prefixes per ASN: 22.55
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 276
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: 277
Number of LACNIC addresses announced to Internet: 87263496
Equivalent to 5 /8s, 51 /16s and 137 /24s
Percentage of available LACNIC address space announced: 57.8

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: 8389
Total AfriNIC prefixes after maximum aggregation: 1979
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 6462
Unique aggregates announced from the AfriNIC address blocks: 2028
AfriNIC Region origin ASes present in the Internet Routing Table: 475
AfriNIC Prefixes per ASN: 13.60
AfriNIC Region origin ASes announcing only one prefix: 148
AfriNIC Region transit ASes present in the Internet Routing Table: 106
Average AfriNIC Region AS path length visible: 4.5
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: 26878464
Equivalent to 1 /8s, 154 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 40.1

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 1929 11038 644 Korea Telecom (KIX)
17974 1783 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1558 301 86 TPG Internet Pty Ltd
4755 1508 358 177 Videsh Sanchar Nigam Ltd. Aut
7552 1360 1064 7 Vietel Corporation
24560 1194 336 187 Bharti Airtel Ltd.
9829 1114 929 42 BSNL National Internet Backbo
9583 1062 78 500 Sify Limited
4808 1027 2073 290 CNCGROUP IP network: China169
17488 983 190 113 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 3620 3818 238 bellsouth.net, inc.
18566 1956 372 222 Covad Communications
1785 1815 681 121 AppliedTheory Corporation
7029 1648 1018 242 Windstream Communications Inc
4323 1615 1098 402 Time Warner Telecom
20115 1591 1538 624 Charter Communications
19262 1414 4792 393 Verizon Global Networks
22773 1406 2900 90 Cox Communications, Inc.
7018 1370 7085 897 AT&T WorldNet Services
2386 1257 520 906 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 1037 797 187 KPNQwest Backbone AS
9116 540 326 31 Goldenlines main autonomous s
34984 534 106 185 Tellcom Iletisim Hizmetleri
3292 519 2078 403 TDC Tele Danmark
6830 514 1788 317 UPC Distribution Services
20940 468 134 359 Akamai Technologies European
8866 457 133 26 Bulgarian Telecommunication C
12479 455 593 7 Uni2 Autonomous System
29049 434 32 53 AzerSat LLC.
3320 422 8151 368 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 1565 288 167 TVCABLE BOGOTA
8151 1430 2730 355 Uninet S.A. de C.V.
28573 1279 996 67 Types of queries are: POCs, o
7303 1059 577 173 Telecom Argentina Stet-France
6503 772 451 79 AVANTEL, S.A.
14420 701 56 82 Types of queries are: POCs, o
22047 578 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 534 232 96 COLOMBIA TELECOMUNICACIONES S
27947 523 54 49 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
24863 799 147 35 LINKdotNET AS number
8452 772 445 11 TEDATA
15475 510 74 8 Nile Online
16637 305 697 88 Johnnic e-Ventures
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
36992 258 415 15 Etisalat MISR
33776 227 13 6 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
29571 158 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 3620 3818 238 bellsouth.net, inc.
23456 3011 720 1608 >>UNKNOWN<<
18566 1956 372 222 Covad Communications
4766 1929 11038 644 Korea Telecom (KIX)
1785 1815 681 121 AppliedTheory Corporation
17974 1783 516 31 PT TELEKOMUNIKASI INDONESIA
7029 1648 1018 242 Windstream Communications Inc
4323 1615 1098 402 Time Warner Telecom
20115 1591 1538 624 Charter Communications
10620 1565 288 167 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 1783 1752 PT TELEKOMUNIKASI INDONESIA
18566 1956 1734 Covad Communications
1785 1815 1694 AppliedTheory Corporation
7545 1558 1472 TPG Internet Pty Ltd
7029 1648 1406 Windstream Communications Inc
23456 3011 1403 >>UNKNOWN<<
10620 1565 1398 TVCABLE BOGOTA
7552 1360 1353 Vietel Corporation
4755 1508 1331 Videsh Sanchar Nigam Ltd. Aut
22773 1406 1316 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 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless

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 /10:27 /11:80 /12:233
/13:465 /14:805 /15:1435 /16:12159 /17:6143 /18:10113
/19:20069 /20:27532 /21:26886 /22:35456 /23:34584 /24:192370
/25:389 /26:355 /27:176 /28:364 /29:283 /30:745
/31:89 /32:644

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

ASN No of nets Total ann. Description
6389 2242 3620 bellsouth.net, inc.
18566 1907 1956 Covad Communications
23456 1489 3011 >>UNKNOWN<<
10620 1460 1565 TVCABLE BOGOTA
7029 1324 1648 Windstream Communications Inc
11492 1096 1142 Cable One
7011 1057 1159 Citizens Utilities
1785 1053 1815 AppliedTheory Corporation
6478 968 996 AT&T Worldnet Services
22773 905 1406 Cox Communications, Inc.

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

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

1:341 2:69 4:20 5:1 6:3 8:340
12:1962 13:1 14:497 15:15 16:3 17:5
20:9 23:18 24:1684 27:854 31:517 32:149
33:4 34:2 36:4 38:731 40:104 41:2549
42:36 44:3 46:1062 47:3 49:201 50:377
52:13 54:2 55:6 56:2 57:44 58:870
59:488 60:378 61:1188 62:1074 63:1960 64:4046
65:2302 66:3950 67:1922 68:1292 69:3144 70:825
71:373 72:1892 73:1 74:2488 75:340 76:348
77:901 78:711 79:497 80:1126 81:881 82:520
83:473 84:700 85:1087 86:538 87:783 88:339
89:1576 90:224 91:4004 92:528 93:1071 94:1364
95:882 96:424 97:264 98:929 99:37 101:83
103:164 106:79 107:26 108:81 109:1039 110:619
111:717 112:305 113:409 114:562 115:687 116:997
117:683 118:852 119:1182 120:314 121:695 122:1609
123:975 124:1312 125:1327 128:247 129:172 130:170
131:573 132:115 133:21 134:215 135:52 136:215
137:132 138:296 139:128 140:479 141:254 142:406
143:423 144:485 145:56 146:456 147:224 148:673
149:252 150:158 151:189 152:342 153:182 154:5
155:399 156:199 157:354 158:140 159:455 160:318
161:205 162:310 163:166 164:505 165:394 166:534
167:434 168:746 169:154 170:837 171:81 172:1
173:1634 174:612 175:390 176:148 177:188 178:1009
180:910 181:26 182:519 183:234 184:342 185:1
186:1310 187:759 188:901 189:967 190:5039 192:5952
193:5019 194:3573 195:3233 196:1204 197:45 198:3597
199:4011 200:5575 201:1478 202:8417 203:8472 204:4251
205:2346 206:2719 207:2813 208:4121 209:3499 210:2693
211:1460 212:2144 213:1854 214:784 215:68 216:4948
217:1641 218:549 219:349 220:1236 221:495 222:360
223:235

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 31 Jul, 2011

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

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

BGP routing table entries examined: 359601
Prefixes after maximum aggregation: 163821
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 181410
Total ASes present in the Internet Routing Table: 36858
Prefixes per ASN: 9.76
Origin-only ASes present in the Internet Routing Table: 31759
Origin ASes announcing only one prefix: 15297
Transit ASes present in the Internet Routing Table: 5099
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 2364
Unregistered ASNs in the Routing Table: 650
Number of 32-bit ASNs allocated by the RIRs: 1605
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2982
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2505553152
Equivalent to 149 /8s, 87 /16s and 181 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 148415

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

Prefixes being announced by APNIC Region ASes: 86868
Total APNIC prefixes after maximum aggregation: 29084
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 84321
Unique aggregates announced from the APNIC address blocks: 37664
APNIC Region origin ASes present in the Internet Routing Table: 4469
APNIC Prefixes per ASN: 18.87
APNIC Region origin ASes announcing only one prefix: 1258
APNIC Region transit ASes present in the Internet Routing Table: 679
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: 622016768
Equivalent to 37 /8s, 19 /16s and 57 /24s
Percentage of available APNIC address space announced: 78.9

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

Prefixes being announced by ARIN Region ASes: 140530
Total ARIN prefixes after maximum aggregation: 72561
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112687
Unique aggregates announced from the ARIN address blocks: 46727
ARIN Region origin ASes present in the Internet Routing Table: 14433
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5540
ARIN Region transit ASes present in the Internet Routing Table: 1463
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 803209728
Equivalent to 47 /8s, 224 /16s and 2 /24s
Percentage of available ARIN address space announced: 63.8

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

Prefixes being announced by RIPE Region ASes: 87253
Total RIPE prefixes after maximum aggregation: 49390
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80583
Unique aggregates announced from the RIPE address blocks: 53048
RIPE Region origin ASes present in the Internet Routing Table: 15824
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7901
RIPE Region transit ASes present in the Internet Routing Table: 2503
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 484443904
Equivalent to 28 /8s, 224 /16s and 7 /24s
Percentage of available RIPE address space announced: 78.0

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

Prefixes being announced by LACNIC Region ASes: 33197
Total LACNIC prefixes after maximum aggregation: 7535
LACNIC Deaggregation factor: 4.41
Prefixes being announced from the LACNIC address blocks: 32608
Unique aggregates announced from the LACNIC address blocks: 17272
LACNIC Region origin ASes present in the Internet Routing Table: 1480
LACNIC Prefixes per ASN: 22.03
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 265
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: 87206912
Equivalent to 5 /8s, 50 /16s and 172 /24s
Percentage of available LACNIC address space announced: 57.8

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: 8085
Total AfriNIC prefixes after maximum aggregation: 1971
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6369
Unique aggregates announced from the AfriNIC address blocks: 2022
AfriNIC Region origin ASes present in the Internet Routing Table: 472
AfriNIC Prefixes per ASN: 13.49
AfriNIC Region origin ASes announcing only one prefix: 149
AfriNIC Region transit ASes present in the Internet Routing Table: 103
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: 26907136
Equivalent to 1 /8s, 154 /16s and 146 /24s
Percentage of available AfriNIC address space announced: 40.1

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 1929 11038 644 Korea Telecom (KIX)
7545 1557 301 85 TPG Internet Pty Ltd
17974 1550 508 32 PT Telekomunikasi Indonesia
4755 1504 375 169 TATA Communications formerly
24560 1194 336 187 Bharti Airtel Ltd., Telemedia
9829 1114 929 42 National Internet Backbone
9583 1076 80 511 Sify Limited
17488 966 190 113 Hathway IP Over Cable Interne
7552 954 1062 11 Vietel Corporation
4808 950 2004 274 CNCGROUP IP network China169

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 3620 3818 238 BellSouth.net Inc.
18566 1911 364 239 Covad Communications Co.
1785 1814 681 121 PaeTec Communications, Inc.
7029 1644 1031 209 Windstream Communications Inc
4323 1615 1098 402 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
19262 1413 4792 392 Verizon Online LLC
22773 1405 2900 90 Cox Communications Inc.
7018 1371 7101 901 AT&T Services, Inc.
2386 1257 520 905 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 540 326 31 Goldenlines main autonomous s
34984 534 106 185 BILISIM TELEKOM
6830 511 1788 316 UPC Broadband
3292 468 2078 403 TDC Data Networks
20940 465 134 359 Akamai Technologies European
12479 455 593 7 France Telecom Espana SA
8866 454 133 26 Bulgarian Telecommunication C
29049 434 32 53 AzerSat LLC.
3320 422 8151 368 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 1565 288 167 Types of queries are: POCs, o
28573 1265 996 67 Types of queries are: POCs, o
8151 1251 2729 349 Uninet S.A. de C.V.
7303 1043 577 162 Telecom Argentina S.A.
6503 750 451 78 Axtel, S.A.B. de C.V.
14420 701 56 82 CORPORACION NACIONAL DE TELEC
22047 578 322 17 Types of queries are: POCs, o
3816 534 232 96 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 502 100 86 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
24863 798 147 34 LINKdotNET AS number
8452 696 445 11 TEDATA
15475 510 74 8 Nile Online
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
36992 258 415 15 Etisalat MISR
33776 227 13 6 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 150 697 88 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 3620 3818 238 BellSouth.net Inc.
23456 2982 717 1597 32-bit ASN transition
4766 1929 11038 644 Korea Telecom (KIX)
18566 1911 364 239 Covad Communications Co.
1785 1814 681 121 PaeTec Communications, Inc.
7029 1644 1031 209 Windstream Communications Inc
4323 1615 1098 402 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
10620 1565 288 167 Types of queries are: POCs, o
7545 1557 301 85 TPG Internet Pty Ltd

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 1814 1693 PaeTec Communications, Inc.
18566 1911 1672 Covad Communications Co.
17974 1550 1518 PT Telekomunikasi Indonesia
7545 1557 1472 TPG Internet Pty Ltd
7029 1644 1435 Windstream Communications Inc
10620 1565 1398 Types of queries are: POCs, o
23456 2982 1385 32-bit ASN transition
4755 1504 1335 TATA Communications formerly
22773 1405 1315 Cox Communications Inc.
4766 1929 1285 Korea Telecom (KIX)

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

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 /10:27 /11:80 /12:234
/13:465 /14:798 /15:1404 /16:12016 /17:5869 /18:9773
/19:19618 /20:26288 /21:26229 /22:34697 /23:33532 /24:188036
/25:12 /26:19 /27:23 /28:153 /29:109 /30:59
/31:0 /32:127

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

ASN No of nets Total ann. Description
6389 2242 3620 BellSouth.net Inc.
18566 1868 1911 Covad Communications Co.
23456 1470 2982 32-bit ASN transition
10620 1460 1565 Types of queries are: POCs, o
7029 1321 1644 Windstream Communications Inc
11492 1095 1141 CABLE ONE, INC.
7011 1057 1159 Frontier Communications of Am
1785 1052 1814 PaeTec Communications, Inc.
6478 968 996 AT&T Services, Inc.
22773 904 1405 Cox Communications Inc.

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

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

1:339 2:45 4:16 5:1 6:3 8:339
12:1959 13:1 14:485 15:15 16:3 17:5
20:9 23:16 24:1675 27:847 31:512 32:59
33:4 34:2 36:4 38:724 40:104 41:2507
42:36 44:3 46:1047 47:3 49:201 50:377
52:13 54:2 55:6 56:2 57:33 58:816
59:481 60:376 61:1021 62:1050 63:1933 64:3963
65:2298 66:3900 67:1887 68:1107 69:3031 70:776
71:373 72:1860 74:2432 75:327 76:340 77:863
78:704 79:481 80:1118 81:841 82:508 83:469
84:689 85:1066 86:518 87:764 88:334 89:1533
90:224 91:3989 92:527 93:1053 94:1337 95:867
96:415 97:264 98:913 99:37 101:78 103:164
106:79 107:26 108:73 109:1028 110:610 111:714
112:296 113:404 114:556 115:667 116:965 117:659
118:808 119:1169 120:312 121:648 122:1601 123:968
124:1276 125:1278 128:208 129:163 130:164 131:568
132:107 133:21 134:206 135:52 136:213 137:129
138:296 139:113 140:458 141:254 142:387 143:419
144:482 145:56 146:450 147:213 148:602 149:251
150:152 151:189 152:339 153:182 154:4 155:399
156:196 157:324 158:140 159:389 160:316 161:196
162:307 163:156 164:505 165:362 166:531 167:432
168:736 169:151 170:834 171:81 172:1 173:1616
174:610 175:373 176:148 177:189 178:996 180:891
181:25 182:502 183:234 184:341 185:1 186:1306
187:740 188:894 189:967 190:5017 192:5877 193:4979
194:3507 195:3066 196:1200 197:45 198:3532 199:3955
200:5492 201:1470 202:8199 203:8367 204:4166 205:2303
206:2568 207:2727 208:3983 209:3386 210:2598 211:1446
212:2103 213:1780 214:784 215:68 216:4862 217:1632
218:536 219:342 220:1197 221:478 222:310 223:233

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 31 Jul, 2011

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

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

BGP routing table entries examined: 365528
Prefixes after maximum aggregation: 165840
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 181458
Total ASes present in the Internet Routing Table: 38313
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 31802
Origin ASes announcing only one prefix: 15302
Transit ASes present in the Internet Routing Table: 5226
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 1014
Unregistered ASNs in the Routing Table: 571
Number of 32-bit ASNs allocated by the RIRs: 1605
Number of 32-bit ASNs visible in the Routing Table: 1285
Prefixes from 32-bit ASNs in the Routing Table: 2976
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 116
Number of addresses announced to Internet: 2488424960
Equivalent to 148 /8s, 82 /16s and 90 /24s
Percentage of available address space announced: 67.1
Percentage of allocated address space announced: 67.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 152312

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

Prefixes being announced by APNIC Region ASes: 91662
Total APNIC prefixes after maximum aggregation: 30417
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 88201
Unique aggregates announced from the APNIC address blocks: 37611
APNIC Region origin ASes present in the Internet Routing Table: 4524
APNIC Prefixes per ASN: 19.50
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 712
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 67
Number of APNIC addresses announced to Internet: 622579296
Equivalent to 37 /8s, 27 /16s and 206 /24s
Percentage of available APNIC address space announced: 79.0

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

Prefixes being announced by ARIN Region ASes: 141814
Total ARIN prefixes after maximum aggregation: 73129
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113662
Unique aggregates announced from the ARIN address blocks: 46746
ARIN Region origin ASes present in the Internet Routing Table: 14513
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5560
ARIN Region transit ASes present in the Internet Routing Table: 1542
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803227520
Equivalent to 47 /8s, 224 /16s and 71 /24s
Percentage of available ARIN address space announced: 63.8

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

Prefixes being announced by RIPE Region ASes: 86848
Total RIPE prefixes after maximum aggregation: 49420
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80186
Unique aggregates announced from the RIPE address blocks: 53027
RIPE Region origin ASes present in the Internet Routing Table: 15831
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 7901
RIPE Region transit ASes present in the Internet Routing Table: 2512
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: 925
Number of RIPE addresses announced to Internet: 484378240
Equivalent to 28 /8s, 223 /16s and 6 /24s
Percentage of available RIPE address space announced: 78.0

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

Prefixes being announced by LACNIC Region ASes: 33844
Total LACNIC prefixes after maximum aggregation: 7630
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 33070
Unique aggregates announced from the LACNIC address blocks: 17306
LACNIC Region origin ASes present in the Internet Routing Table: 1493
LACNIC Prefixes per ASN: 22.15
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 278
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: 277
Number of LACNIC addresses announced to Internet: 87255808
Equivalent to 5 /8s, 51 /16s and 107 /24s
Percentage of available LACNIC address space announced: 57.8

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: 8193
Total AfriNIC prefixes after maximum aggregation: 1978
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6472
Unique aggregates announced from the AfriNIC address blocks: 2032
AfriNIC Region origin ASes present in the Internet Routing Table: 478
AfriNIC Prefixes per ASN: 13.54
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 105
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: 4
Number of AfriNIC addresses announced to Internet: 26895360
Equivalent to 1 /8s, 154 /16s and 100 /24s
Percentage of available AfriNIC address space announced: 40.1

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 2493 11046 949 Korea Telecom (KIX)
17974 1783 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1559 301 86 TPG Internet Pty Ltd
4755 1513 635 172 TATA Communications formerly
7552 1360 1064 7 Vietel Corporation
24560 1194 336 187 Bharti Airtel Ltd., Telemedia
9829 1114 929 42 BSNL National Internet Backbo
9583 1062 78 500 Sify Limited
4808 1052 2093 299 CNCGROUP IP network: China169
17488 968 190 113 Hathway IP Over Cable Interne

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 3620 3818 237 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1812 681 121 PaeTec Communications, Inc.
4323 1615 1082 401 Time Warner Telecom
7029 1603 993 229 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
19262 1413 4792 392 Verizon Global Networks
22773 1406 2900 90 Cox Communications, Inc.
7018 1362 7068 890 AT&T WorldNet Services
2386 1256 520 905 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
34984 534 106 185 BILISIM TELEKOM
6830 512 1788 316 UPC Distribution Services
3292 468 2078 403 TDC Tele Danmark
20940 466 133 358 Akamai Technologies European
12479 455 593 7 Uni2 Autonomous System
8866 454 133 26 Bulgarian Telecommunication C
29049 434 32 53 AzerSat LLC.
3320 425 8151 371 Deutsche Telekom AG
8551 404 354 44 Bezeq International
3301 397 1855 346 TeliaNet Sweden

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 1565 288 167 TVCABLE BOGOTA
8151 1418 2748 351 UniNet S.A. de C.V.
28573 1260 995 70 NET Servicos de Comunicao S.A
7303 1058 577 172 Telecom Argentina Stet-France
6503 748 450 68 AVANTEL, S.A.
14420 701 56 82 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 532 232 97 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 510 53 54 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
24863 799 147 36 LINKdotNET AS number
8452 795 445 11 TEDATA
15475 510 74 8 Nile Online
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
36992 258 415 15 Etisalat MISR
33776 227 13 6 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 147 665 85 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 3620 3818 237 bellsouth.net, inc.
23456 2976 716 1590 32-bit ASN transition
4766 2493 11046 949 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1812 681 121 PaeTec Communications, Inc.
17974 1783 516 31 PT TELEKOMUNIKASI INDONESIA
4323 1615 1082 401 Time Warner Telecom
7029 1603 993 229 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
10620 1565 288 167 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 1783 1752 PT TELEKOMUNIKASI INDONESIA
1785 1812 1691 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2493 1544 Korea Telecom (KIX)
7545 1559 1473 TPG Internet Pty Ltd
10620 1565 1398 TVCABLE BOGOTA
23456 2976 1386 32-bit ASN transition
7029 1603 1374 Windstream Communications Inc
7552 1360 1353 Vietel Corporation
4755 1513 1341 TATA Communications formerly

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 /10:27 /11:80 /12:233
/13:465 /14:799 /15:1407 /16:12047 /17:5891 /18:9823
/19:19533 /20:26373 /21:26319 /22:35026 /23:33972 /24:190163
/25:1098 /26:1286 /27:735 /28:202 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2243 3620 bellsouth.net, inc.
18566 1869 1913 Covad Communications
23456 1464 2976 32-bit ASN transition
10620 1460 1565 TVCABLE BOGOTA
7029 1301 1603 Windstream Communications Inc
11492 1096 1142 Cable One
7011 1057 1159 Citizens Utilities
1785 1053 1812 PaeTec Communications, Inc.
6478 968 996 AT&T Worldnet Services
22773 905 1406 Cox Communications, Inc.

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

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

1:341 2:45 4:16 5:1 6:3 8:339
12:1959 13:1 14:496 15:15 16:3 17:5
20:9 23:18 24:1678 27:854 31:514 32:64
33:4 34:2 36:4 38:729 40:104 41:2562
42:36 44:3 46:1053 47:3 49:201 50:377
52:13 54:2 55:6 56:2 57:34 58:868
59:487 60:378 61:1185 62:1050 63:1938 64:3988
65:2299 66:3905 67:1888 68:1114 69:3032 70:779
71:373 72:1860 74:2436 75:328 76:340 77:864
78:704 79:475 80:1118 81:841 82:501 83:466
84:689 85:1065 86:517 87:763 88:333 89:1530
90:224 91:3981 92:527 93:1055 94:1335 95:864
96:420 97:264 98:913 99:37 101:82 103:164
106:79 107:26 108:73 109:1030 110:612 111:716
112:305 113:407 114:555 115:685 116:987 117:683
118:852 119:1187 120:314 121:678 122:1608 123:975
124:1312 125:1328 128:246 129:169 130:170 131:576
132:115 133:21 134:214 135:52 136:215 137:132
138:296 139:115 140:479 141:254 142:403 143:422
144:485 145:56 146:455 147:213 148:673 149:252
150:158 151:189 152:341 153:182 154:5 155:399
156:198 157:353 158:140 159:454 160:318 161:205
162:308 163:166 164:507 165:364 166:532 167:432
168:745 169:153 170:837 171:81 172:1 173:1618
174:610 175:385 176:147 177:188 178:996 180:913
181:25 182:514 183:234 184:342 185:1 186:1311
187:757 188:891 189:965 190:5035 192:5917 193:4978
194:3509 195:3063 196:1204 197:45 198:3584 199:3997
200:5575 201:1477 202:8407 203:8467 204:4243 205:2322
206:2662 207:2799 208:3992 209:3411 210:2689 211:1456
212:2088 213:1779 214:786 215:67 216:4897 217:1632
218:547 219:347 220:1233 221:494 222:360 223:235

End of report
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Friday, July 29, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 30 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: 371453
Prefixes after maximum aggregation: 167227
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 181251
Total ASes present in the Internet Routing Table: 38335
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 31803
Origin ASes announcing only one prefix: 15248
Transit ASes present in the Internet Routing Table: 5234
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 35
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 4149
Unregistered ASNs in the Routing Table: 600
Number of 32-bit ASNs allocated by the RIRs: 1603
Number of 32-bit ASNs visible in the Routing Table: 1298
Prefixes from 32-bit ASNs in the Routing Table: 3008
Special use prefixes present in the Routing Table: 79
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2489218120
Equivalent to 148 /8s, 94 /16s and 116 /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: 91.2
Total number of prefixes smaller than registry allocations: 154585

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

Prefixes being announced by APNIC Region ASes: 89521
Total APNIC prefixes after maximum aggregation: 29274
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 86176
Unique aggregates announced from the APNIC address blocks: 37472
APNIC Region origin ASes present in the Internet Routing Table: 4502
APNIC Prefixes per ASN: 19.14
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 706
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 66
Number of APNIC addresses announced to Internet: 622590209
Equivalent to 37 /8s, 27 /16s and 249 /24s
Percentage of available APNIC address space announced: 79.0

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

Prefixes being announced by ARIN Region ASes: 145561
Total ARIN prefixes after maximum aggregation: 75162
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117003
Unique aggregates announced from the ARIN address blocks: 46715
ARIN Region origin ASes present in the Internet Routing Table: 14520
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5547
ARIN Region transit ASes present in the Internet Routing Table: 1506
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803142552
Equivalent to 47 /8s, 222 /16s and 251 /24s
Percentage of available ARIN address space announced: 63.8

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

Prefixes being announced by RIPE Region ASes: 90170
Total RIPE prefixes after maximum aggregation: 49813
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 82742
Unique aggregates announced from the RIPE address blocks: 52859
RIPE Region origin ASes present in the Internet Routing Table: 15861
RIPE Prefixes per ASN: 5.22
RIPE Region origin ASes announcing only one prefix: 7852
RIPE Region transit ASes present in the Internet Routing Table: 2557
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 938
Number of RIPE addresses announced to Internet: 485097228
Equivalent to 28 /8s, 233 /16s and 255 /24s
Percentage of available RIPE address space announced: 78.1

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

Prefixes being announced by LACNIC Region ASes: 34474
Total LACNIC prefixes after maximum aggregation: 7687
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 33693
Unique aggregates announced from the LACNIC address blocks: 17334
LACNIC Region origin ASes present in the Internet Routing Table: 1492
LACNIC Prefixes per ASN: 22.58
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 275
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 278
Number of LACNIC addresses announced to Internet: 87267080
Equivalent to 5 /8s, 51 /16s and 151 /24s
Percentage of available LACNIC address space announced: 57.8

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: 8415
Total AfriNIC prefixes after maximum aggregation: 1985
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 6486
Unique aggregates announced from the AfriNIC address blocks: 2025
AfriNIC Region origin ASes present in the Internet Routing Table: 477
AfriNIC Prefixes per ASN: 13.60
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 4.4
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: 26907648
Equivalent to 1 /8s, 154 /16s and 148 /24s
Percentage of available AfriNIC address space announced: 40.1

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 1920 11037 640 Korea Telecom (KIX)
17974 1751 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1558 301 86 TPG Internet Pty Ltd
4755 1511 375 170 Videsh Sanchar Nigam Ltd. Aut
7552 1361 1064 7 Vietel Corporation
24560 1194 336 187 Bharti Airtel Ltd.
9829 1115 929 42 BSNL National Internet Backbo
9583 1075 80 510 Sify Limited
17488 992 189 114 Hathway IP Over Cable Interne
4808 960 2016 274 CNCGROUP IP network: China169

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 3619 3818 237 bellsouth.net, inc.
18566 1956 372 222 Covad Communications
1785 1815 681 121 AppliedTheory Corporation
7029 1652 1031 209 Windstream Communications Inc
4323 1614 1098 402 Time Warner Telecom
20115 1591 1538 623 Charter Communications
19262 1414 4792 393 Verizon Global Networks
22773 1406 2900 90 Cox Communications, Inc.
7018 1368 7085 896 AT&T WorldNet Services
2386 1257 520 905 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 1037 797 187 KPNQwest Backbone AS
9116 540 326 31 Goldenlines main autonomous s
34984 534 106 185 Tellcom Iletisim Hizmetleri
3292 519 2078 403 TDC Tele Danmark
6830 514 1788 317 UPC Distribution Services
20940 471 134 362 Akamai Technologies European
8866 457 133 26 Bulgarian Telecommunication C
12479 457 593 7 Uni2 Autonomous System
29049 431 31 49 AzerSat LLC.
3320 424 8151 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 1565 288 167 TVCABLE BOGOTA
8151 1434 2730 357 Uninet S.A. de C.V.
28573 1283 996 67 Types of queries are: POCs, o
7303 1065 577 174 Telecom Argentina Stet-France
6503 760 450 69 AVANTEL, S.A.
14420 701 56 82 Types of queries are: POCs, o
22047 578 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 529 229 109 COLOMBIA TELECOMUNICACIONES S
27947 522 53 54 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
24863 798 147 35 LINKdotNET AS number
8452 794 445 11 TEDATA
15475 510 74 8 Nile Online
16637 304 697 87 Johnnic e-Ventures
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
36992 258 415 15 Etisalat MISR
33776 227 13 6 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
29571 158 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 3619 3818 237 bellsouth.net, inc.
23456 3008 719 1608 >>UNKNOWN<<
18566 1956 372 222 Covad Communications
4766 1920 11037 640 Korea Telecom (KIX)
1785 1815 681 121 AppliedTheory Corporation
17974 1751 516 31 PT TELEKOMUNIKASI INDONESIA
7029 1652 1031 209 Windstream Communications Inc
4323 1614 1098 402 Time Warner Telecom
20115 1591 1538 623 Charter Communications
10620 1565 288 167 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
18566 1956 1734 Covad Communications
17974 1751 1720 PT TELEKOMUNIKASI INDONESIA
1785 1815 1694 AppliedTheory Corporation
7545 1558 1472 TPG Internet Pty Ltd
7029 1652 1443 Windstream Communications Inc
23456 3008 1400 >>UNKNOWN<<
10620 1565 1398 TVCABLE BOGOTA
7552 1361 1354 Vietel Corporation
4755 1511 1341 Videsh Sanchar Nigam Ltd. Aut
22773 1406 1316 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 /10:27 /11:80 /12:233
/13:465 /14:805 /15:1435 /16:12162 /17:6144 /18:10118
/19:20072 /20:27520 /21:26887 /22:35470 /23:34600 /24:192419
/25:390 /26:349 /27:176 /28:361 /29:272 /30:715
/31:89 /32:632

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

ASN No of nets Total ann. Description
6389 2242 3619 bellsouth.net, inc.
18566 1907 1956 Covad Communications
23456 1487 3008 >>UNKNOWN<<
10620 1460 1565 TVCABLE BOGOTA
7029 1330 1652 Windstream Communications Inc
11492 1096 1142 Cable One
7011 1056 1158 Citizens Utilities
1785 1053 1815 AppliedTheory Corporation
6478 968 996 AT&T Worldnet Services
22773 905 1406 Cox Communications, Inc.

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

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

1:340 2:70 4:20 5:1 6:3 8:340
12:1960 13:1 14:500 15:15 16:3 17:5
20:10 23:18 24:1684 27:861 31:511 32:149
33:4 34:2 36:4 38:731 40:104 41:2565
42:36 44:3 46:1060 47:3 49:201 50:376
52:13 54:2 55:6 56:2 57:44 58:871
59:488 60:378 61:1181 62:1069 63:1960 64:4051
65:2296 66:3949 67:1922 68:1291 69:3168 70:825
71:375 72:1903 73:1 74:2488 75:340 76:349
77:905 78:712 79:490 80:1127 81:882 82:518
83:472 84:700 85:1077 86:538 87:776 88:339
89:1573 90:224 91:3999 92:529 93:1076 94:1364
95:883 96:424 97:264 98:930 99:37 101:82
103:163 106:78 107:26 108:81 109:1034 110:613
111:716 112:305 113:409 114:560 115:687 116:1002
117:682 118:856 119:1176 120:314 121:695 122:1609
123:976 124:1312 125:1329 128:247 129:172 130:170
131:581 132:113 133:21 134:215 135:52 136:215
137:132 138:296 139:128 140:479 141:255 142:406
143:422 144:485 145:56 146:455 147:224 148:676
149:252 150:160 151:189 152:342 153:182 154:5
155:399 156:199 157:356 158:138 159:454 160:318
161:204 162:311 163:166 164:507 165:399 166:534
167:434 168:745 169:154 170:838 171:81 172:1
173:1637 174:613 175:389 176:148 177:189 178:1007
180:920 181:26 182:518 183:234 184:342 185:1
186:1314 187:766 188:887 189:966 190:5048 192:5951
193:5032 194:3579 195:3242 196:1212 197:46 198:3597
199:4005 200:5582 201:1479 202:8402 203:8462 204:4244
205:2345 206:2729 207:2813 208:4122 209:3499 210:2691
211:1458 212:2137 213:1855 214:785 215:69 216:4959
217:1642 218:550 219:345 220:1230 221:495 222:358
223:235

End of report
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