[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 19 18:11:54 UTC 2009
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 20 Jun, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288799
Prefixes after maximum aggregation: 137405
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 143140
Total ASes present in the Internet Routing Table: 31502
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27382
Origin ASes announcing only one prefix: 13343
Transit ASes present in the Internet Routing Table: 4120
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 451
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 177
Prefixes from 32-bit ASNs in the Routing Table: 49
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 847
Number of addresses announced to Internet: 2052918096
Equivalent to 122 /8s, 93 /16s and 11 /24s
Percentage of available address space announced: 55.4
Percentage of allocated address space announced: 64.1
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.4
Total number of prefixes smaller than registry allocations: 142968
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 68732
Total APNIC prefixes after maximum aggregation: 24540
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 68133
Unique aggregates announced from the APNIC address blocks: 30927
APNIC Region origin ASes present in the Internet Routing Table: 3666
APNIC Prefixes per ASN: 18.59
APNIC Region origin ASes announcing only one prefix: 999
APNIC Region transit ASes present in the Internet Routing Table: 565
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 454152304
Equivalent to 27 /8s, 17 /16s and 208 /24s
Percentage of available APNIC address space announced: 84.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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,
180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 123570
Total ARIN prefixes after maximum aggregation: 66000
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124331
Unique aggregates announced from the ARIN address blocks: 51877
ARIN Region origin ASes present in the Internet Routing Table: 13046
ARIN Prefixes per ASN: 9.53
ARIN Region origin ASes announcing only one prefix: 5010
ARIN Region transit ASes present in the Internet Routing Table: 1278
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1009647680
Equivalent to 60 /8s, 46 /16s and 0 /24s
Percentage of available ARIN address space announced: 194.1
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
ARIN Address Blocks 24/8, 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, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 66020
Total RIPE prefixes after maximum aggregation: 39077
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 65133
Unique aggregates announced from the RIPE address blocks: 43776
RIPE Region origin ASes present in the Internet Routing Table: 13167
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 6882
RIPE Region transit ASes present in the Internet Routing Table: 1977
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 482928800
Equivalent to 28 /8s, 200 /16s and 232 /24s
Percentage of available RIPE address space announced: 102.8
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
RIPE Address Blocks 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,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23996
Total LACNIC prefixes after maximum aggregation: 5996
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 23861
Unique aggregates announced from the LACNIC address blocks: 13403
LACNIC Region origin ASes present in the Internet Routing Table: 1120
LACNIC Prefixes per ASN: 21.30
LACNIC Region origin ASes announcing only one prefix: 359
LACNIC Region transit ASes present in the Internet Routing Table: 188
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 71607680
Equivalent to 4 /8s, 68 /16s and 165 /24s
Percentage of available LACNIC address space announced: 71.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6085
Total AfriNIC prefixes after maximum aggregation: 1481
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6480
Unique aggregates announced from the AfriNIC address blocks: 2496
AfriNIC Region origin ASes present in the Internet Routing Table: 301
AfriNIC Prefixes per ASN: 21.53
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20152832
Equivalent to 1 /8s, 51 /16s and 130 /24s
Percentage of available AfriNIC address space announced: 60.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1707 6931 402 Korea Telecom (KIX)
17488 1601 131 102 Hathway IP Over Cable Interne
4755 1214 327 138 TATA Communications formerly
9583 1106 87 546 Sify Limited
4134 890 16912 375 CHINANET-BACKBONE
7545 803 198 100 TPG Internet Pty Ltd
23577 782 34 665 Korea Telecom (ATM-MPLS)
18101 750 209 32 Reliance Infocom Ltd Internet
24560 718 230 175 Bharti Airtel Ltd.
9829 714 603 18 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4285 3647 324 bellsouth.net, inc.
4323 1866 1035 376 Time Warner Telecom
1785 1694 715 137 PaeTec Communications, Inc.
20115 1650 1449 723 Charter Communications
7018 1502 5926 1042 AT&T WorldNet Services
6478 1376 305 450 AT&T Worldnet Services
2386 1265 686 919 AT&T Data Communications Serv
3356 1206 10980 451 Level 3 Communications, LLC
11492 1116 208 12 Cable One
22773 1064 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 455 1902 392 TDC Tele Danmark
12479 449 578 6 Uni2 Autonomous System
702 429 1861 346 UUNET - Commercial IP service
30890 416 88 196 Evolva Telecom
35805 353 40 5 United Telecom of Georgia
8866 352 109 21 Bulgarian Telecommunication C
3301 345 1668 308 TeliaNet Sweden
3215 342 3041 107 France Telecom Transpac
3320 339 7066 297 Deutsche Telekom AG
29049 317 26 3 AzerSat LLC.
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1464 2863 236 UniNet S.A. de C.V.
10620 916 208 115 TVCABLE BOGOTA
22047 599 302 14 VTR PUNTO NET S.A.
7303 564 298 87 Telecom Argentina Stet-France
28573 549 563 38 NET Servicos de Comunicao S.A
11830 486 292 54 Instituto Costarricense de El
6471 443 96 32 ENTEL CHILE S.A.
11172 442 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 366 188 83 Empresa Nacional de Telecomun
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 987 188 7 TEDATA
24863 888 83 41 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 116 6 7 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4285 3647 324 bellsouth.net, inc.
4323 1866 1035 376 Time Warner Telecom
4766 1707 6931 402 Korea Telecom (KIX)
1785 1694 715 137 PaeTec Communications, Inc.
20115 1650 1449 723 Charter Communications
17488 1601 131 102 Hathway IP Over Cable Interne
7018 1502 5926 1042 AT&T WorldNet Services
8151 1464 2863 236 UniNet S.A. de C.V.
6478 1376 305 450 AT&T Worldnet Services
2386 1265 686 919 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1694 1557 PaeTec Communications, Inc.
17488 1601 1499 Hathway IP Over Cable Interne
4323 1866 1490 Time Warner Telecom
4766 1707 1305 Korea Telecom (KIX)
8151 1464 1228 UniNet S.A. de C.V.
11492 1116 1104 Cable One
4755 1214 1076 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1064 998 Cox Communications, Inc.
8452 987 980 TEDATA
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
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 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.31.59.0/24 7017 ServiceCo LLC - Road Runner
Complete listing at http://thyme.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 /8:19 /9:10 /10:20 /11:59 /12:167
/13:348 /14:603 /15:1157 /16:10519 /17:4741 /18:8103
/19:16913 /20:20247 /21:20048 /22:25959 /23:25847 /24:151439
/25:870 /26:1019 /27:540 /28:149 /29:8 /30:6
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2792 4285 bellsouth.net, inc.
4766 1400 1707 Korea Telecom (KIX)
17488 1313 1601 Hathway IP Over Cable Interne
1785 1171 1694 PaeTec Communications, Inc.
11492 1044 1116 Cable One
18566 1043 1062 Covad Communications
2386 978 1265 AT&T Data Communications Serv
9583 958 1106 Sify Limited
4323 954 1866 Time Warner Telecom
8452 920 987 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:205 12:2235 13:10 15:19 16:3
17:4 20:36 24:1083 32:52 34:2 38:572
40:97 41:1735 43:1 44:2 47:13 52:4
55:2 56:3 57:24 58:577 59:638 60:459
61:1078 62:1109 63:2017 64:3727 65:2381 66:3615
67:1632 68:829 69:2655 70:556 71:184 72:1672
73:2 74:1578 75:172 76:323 77:856 78:557
79:349 80:1003 81:833 82:561 83:434 84:632
85:1013 86:398 87:656 88:356 89:1446 90:57
91:2352 92:345 93:1077 94:1229 95:1064 96:141
97:219 98:248 99:23 109:1 110:150 111:18
112:134 113:123 114:249 115:336 116:1161 117:529
118:301 119:698 120:145 121:755 122:1034 123:701
124:992 125:1338 128:221 129:239 130:127 131:410
132:72 133:9 134:183 135:38 136:224 137:162
138:163 139:80 140:443 141:118 142:385 143:339
144:364 145:48 146:381 147:155 148:516 149:237
150:176 151:193 152:144 153:142 154:2 155:276
156:169 157:301 158:116 159:341 160:284 161:152
162:270 163:164 164:482 165:503 166:454 167:359
168:664 169:167 170:473 171:39 172:10 173:300
174:220 178:1 180:1 183:1 186:26 187:112
188:35 189:435 190:2796 192:5782 193:4242 194:3307
195:2698 196:1092 198:3606 199:3355 200:5089 201:1286
202:7913 203:8208 204:3848 205:2160 206:2437 207:2738
208:3888 209:3400 210:2673 211:1121 212:1558 213:1681
214:81 215:31 216:4530 217:1318 218:393 219:433
220:1226 221:485 222:305
End of report
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