[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 11 18:11:45 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 12 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 295211
Prefixes after maximum aggregation: 139476
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 147649
Total ASes present in the Internet Routing Table: 32157
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27945
Origin ASes announcing only one prefix: 13653
Transit ASes present in the Internet Routing Table: 4212
Transit-only ASes present in the Internet Routing Table: 101
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: 422
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 266
Prefixes from 32-bit ASNs in the Routing Table: 120
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 231
Number of addresses announced to Internet: 2104209216
Equivalent to 125 /8s, 107 /16s and 175 /24s
Percentage of available address space announced: 56.8
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.8
Total number of prefixes smaller than registry allocations: 141055
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70468
Total APNIC prefixes after maximum aggregation: 24950
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 66937
Unique aggregates announced from the APNIC address blocks: 30456
APNIC Region origin ASes present in the Internet Routing Table: 3784
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 1037
APNIC Region transit ASes present in the Internet Routing Table: 588
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 458005344
Equivalent to 27 /8s, 76 /16s and 155 /24s
Percentage of available APNIC address space announced: 78.0
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 43/8, 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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 124876
Total ARIN prefixes after maximum aggregation: 66495
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 99443
Unique aggregates announced from the ARIN address blocks: 38338
ARIN Region origin ASes present in the Internet Routing Table: 13222
ARIN Prefixes per ASN: 7.52
ARIN Region origin ASes announcing only one prefix: 5117
ARIN Region transit ASes present in the Internet Routing Table: 1294
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 707359360
Equivalent to 42 /8s, 41 /16s and 114 /24s
Percentage of available ARIN address space announced: 62.0
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, 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, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 68016
Total RIPE prefixes after maximum aggregation: 39994
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 61886
Unique aggregates announced from the RIPE address blocks: 41336
RIPE Region origin ASes present in the Internet Routing Table: 13459
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7025
RIPE Region transit ASes present in the Internet Routing Table: 2027
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 397595456
Equivalent to 23 /8s, 178 /16s and 211 /24s
Percentage of available RIPE address space announced: 79.0
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, 196608-197631
RIPE Address Blocks 25/8, 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, 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: 25363
Total LACNIC prefixes after maximum aggregation: 6220
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 23699
Unique aggregates announced from the LACNIC address blocks: 13207
LACNIC Region origin ASes present in the Internet Routing Table: 1177
LACNIC Prefixes per ASN: 20.14
LACNIC Region origin ASes announcing only one prefix: 379
LACNIC Region transit ASes present in the Internet Routing Table: 191
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 66365952
Equivalent to 3 /8s, 244 /16s and 170 /24s
Percentage of available LACNIC address space announced: 65.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 6131
Total AfriNIC prefixes after maximum aggregation: 1561
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 4483
Unique aggregates announced from the AfriNIC address blocks: 1517
AfriNIC Region origin ASes present in the Internet Routing Table: 320
AfriNIC Prefixes per ASN: 14.01
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12306688
Equivalent to 0 /8s, 187 /16s and 201 /24s
Percentage of available AfriNIC address space announced: 36.7
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1729 6982 427 Korea Telecom (KIX)
17488 1542 137 102 Hathway IP Over Cable Interne
4755 1258 292 143 TATA Communications formerly
9583 1097 87 533 Sify Limited
4134 1006 18167 389 CHINANET-BACKBONE
18101 959 201 32 Reliance Infocom Ltd Internet
7545 842 198 99 TPG Internet Pty Ltd
9829 811 625 18 BSNL National Internet Backbo
4808 766 1534 183 CNCGROUP IP network: China169
23577 763 33 648 Korea Telecom (ATM-MPLS)
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 4173 3626 313 bellsouth.net, inc.
4323 1927 1049 389 Time Warner Telecom
1785 1739 714 138 PaeTec Communications, Inc.
7018 1526 5909 1059 AT&T WorldNet Services
20115 1479 1477 674 Charter Communications
6478 1405 282 249 AT&T Worldnet Services
2386 1292 654 939 AT&T Data Communications Serv
3356 1226 10980 439 Level 3 Communications, LLC
11492 1120 208 12 Cable One
22773 1099 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
30890 489 92 199 Evolva Telecom
3292 448 1901 395 TDC Tele Danmark
12479 426 578 6 Uni2 Autonomous System
702 425 1821 343 UUNET - Commercial IP service
35805 386 40 5 United Telecom of Georgia
9198 375 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 354 7067 303 Deutsche Telekom AG
3301 350 1412 309 TeliaNet Sweden
3215 347 3121 111 France Telecom Transpac
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 1495 2899 243 UniNet S.A. de C.V.
10620 1013 226 97 TVCABLE BOGOTA
28573 707 620 61 NET Servicos de Comunicao S.A
7303 635 336 93 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 476 310 58 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
7738 424 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.
3816 401 191 79 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 992 188 7 TEDATA
24863 947 96 57 LINKdotNET AS number
20858 296 34 6 EgyNet
3741 275 856 236 The Internet Solution
2018 207 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 131 46 9 RAYA Telecom - Egypt
33776 123 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
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 4173 3626 313 bellsouth.net, inc.
4323 1927 1049 389 Time Warner Telecom
1785 1739 714 138 PaeTec Communications, Inc.
4766 1729 6982 427 Korea Telecom (KIX)
17488 1542 137 102 Hathway IP Over Cable Interne
7018 1526 5909 1059 AT&T WorldNet Services
8151 1495 2899 243 UniNet S.A. de C.V.
20115 1479 1477 674 Charter Communications
6478 1405 282 249 AT&T Worldnet Services
2386 1292 654 939 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 1739 1601 PaeTec Communications, Inc.
4323 1927 1538 Time Warner Telecom
17488 1542 1440 Hathway IP Over Cable Interne
4766 1729 1302 Korea Telecom (KIX)
8151 1495 1252 UniNet S.A. de C.V.
6478 1405 1156 AT&T Worldnet Services
4755 1258 1115 TATA Communications formerly
11492 1120 1108 Cable One
18566 1062 1052 Covad Communications
22773 1099 1033 Cox Communications, Inc.
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
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
43.245.96.0/20 7502 Internetwork Kyoto
43.245.112.0/20 7502 Internetwork Kyoto
43.245.192.0/20 7502 Internetwork Kyoto
43.245.208.0/20 7502 Internetwork Kyoto
43.245.224.0/20 7502 Internetwork Kyoto
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /10:25 /11:62 /12:174
/13:350 /14:627 /15:1192 /16:10662 /17:4823 /18:8391
/19:17402 /20:20778 /21:20625 /22:26667 /23:26514 /24:154117
/25:942 /26:1080 /27:575 /28:151 /29:8 /30:9
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2705 4173 bellsouth.net, inc.
4766 1408 1729 Korea Telecom (KIX)
17488 1291 1542 Hathway IP Over Cable Interne
1785 1206 1739 PaeTec Communications, Inc.
11492 1047 1120 Cable One
18566 1043 1062 Covad Communications
4323 969 1927 Time Warner Telecom
9583 949 1097 Sify Limited
10620 919 1013 TVCABLE BOGOTA
8452 914 992 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:214 12:2143 13:7 15:21 16:3
17:5 20:36 24:1129 32:52 34:2 38:603
40:97 41:1719 43:1 44:2 47:24 52:6
55:2 56:2 57:25 58:606 59:610 60:458
61:962 62:1081 63:2009 64:3623 65:2392 66:3414
67:1761 68:980 69:2749 70:569 71:154 72:1682
73:2 74:1734 75:179 76:321 77:873 78:582
79:380 80:918 81:807 82:525 83:435 84:641
85:1028 86:379 87:680 88:383 89:1469 90:49
91:2536 92:399 93:1149 94:1168 95:1087 96:167
97:268 98:262 99:30 109:3 110:191 111:430
112:131 113:154 114:246 115:312 116:1135 117:572
118:329 119:772 120:122 121:652 122:1259 123:767
124:1050 125:1355 128:222 129:214 130:129 131:420
132:75 133:9 134:173 135:42 136:224 137:164
138:172 139:84 140:432 141:125 142:382 143:335
144:380 145:49 146:390 147:162 148:533 149:212
150:206 151:187 152:210 153:155 154:2 155:282
156:168 157:306 158:112 159:350 160:291 161:164
162:270 163:164 164:276 165:528 166:474 167:368
168:708 169:167 170:475 171:42 172:2 173:408
174:310 175:1 178:1 180:22 182:1 186:147
187:150 188:940 189:604 190:2973 192:5773 193:4251
194:3286 195:2756 196:1145 198:3548 199:3353 200:5188
201:1297 202:7833 203:8278 204:3894 205:2195 206:2391
207:2721 208:3942 209:3396 210:2542 211:1108 212:1582
213:1655 214:170 215:33 216:4281 217:1308 218:411
219:427 220:1110 221:442 222:322
End of report
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