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@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 06 Dec, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 274617 Prefixes after maximum aggregation: 131863 Deaggregation factor: 2.08 Unique aggregates announced to Internet: 134033 Total ASes present in the Internet Routing Table: 30011 Prefixes per ASN: 9.15 Origin-only ASes present in the Internet Routing Table: 26135 Origin ASes announcing only one prefix: 12734 Transit ASes present in the Internet Routing Table: 3876 Transit-only ASes present in the Internet Routing Table: 90 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 534 Unregistered ASNs in the Routing Table: 195 Number of 32-bit ASNs allocated by the RIRs: 68 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 200 Number of addresses announced to Internet: 1966812160 Equivalent to 117 /8s, 59 /16s and 44 /24s Percentage of available address space announced: 53.1 Percentage of allocated address space announced: 63.4 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.5 Total number of prefixes smaller than registry allocations: 134848 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 63620 Total APNIC prefixes after maximum aggregation: 23490 APNIC Deaggregation factor: 2.71 Prefixes being announced from the APNIC address blocks: 60552 Unique aggregates announced from the APNIC address blocks: 27265 APNIC Region origin ASes present in the Internet Routing Table: 3480 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 936 APNIC Region transit ASes present in the Internet Routing Table: 532 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 389140384 Equivalent to 23 /8s, 49 /16s and 207 /24s Percentage of available APNIC address space announced: 77.3 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, 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: 122610 Total ARIN prefixes after maximum aggregation: 64581 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 91825 Unique aggregates announced from the ARIN address blocks: 34855 ARIN Region origin ASes present in the Internet Routing Table: 12643 ARIN Prefixes per ASN: 7.26 ARIN Region origin ASes announcing only one prefix: 4889 ARIN Region transit ASes present in the Internet Routing Table: 1208 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 402463648 Equivalent to 23 /8s, 253 /16s and 27 /24s Percentage of available ARIN address space announced: 82.7 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 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, 173/8, 174/8, 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: 60947 Total RIPE prefixes after maximum aggregation: 36408 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 56539 Unique aggregates announced from the RIPE address blocks: 37707 RIPE Region origin ASes present in the Internet Routing Table: 12303 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 6487 RIPE Region transit ASes present in the Internet Routing Table: 1870 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 381049312 Equivalent to 22 /8s, 182 /16s and 89 /24s Percentage of available RIPE address space announced: 87.4 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, 47104-49151 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 22671 Total LACNIC prefixes after maximum aggregation: 5602 LACNIC Deaggregation factor: 4.05 Prefixes being announced from the LACNIC address blocks: 20708 Unique aggregates announced from the LACNIC address blocks: 11532 LACNIC Region origin ASes present in the Internet Routing Table: 1039 LACNIC Prefixes per ASN: 19.93 LACNIC Region origin ASes announcing only one prefix: 337 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 58495360 Equivalent to 3 /8s, 124 /16s and 145 /24s Percentage of available LACNIC address space announced: 58.1 LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4257 Total AfriNIC prefixes after maximum aggregation: 1360 AfriNIC Deaggregation factor: 3.13 Prefixes being announced from the AfriNIC address blocks: 4568 Unique aggregates announced from the AfriNIC address blocks: 2187 AfriNIC Region origin ASes present in the Internet Routing Table: 274 AfriNIC Prefixes per ASN: 16.67 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 13034240 Equivalent to 0 /8s, 198 /16s and 227 /24s Percentage of available AfriNIC address space announced: 25.9 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17488 1443 101 105 Hathway IP Over Cable Interne 4766 1340 6409 364 Korea Telecom (KIX) 4755 1169 474 153 TATA Communications formerly 9583 1140 88 486 Sify Limited 4134 907 15509 355 CHINANET-BACKBONE 23577 813 34 692 Korea Telecom (ATM-MPLS) 18101 785 168 33 Reliance Infocom Ltd Internet 4780 727 357 63 Digital United Inc. 9498 694 295 50 BHARTI BT INTERNET LTD. 4808 630 1172 143 CNCGROUP IP network: China169 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 4374 3434 344 bellsouth.net, inc. 209 2982 4031 619 Qwest 20115 1848 1466 745 Charter Communications 1785 1703 717 155 PaeTec Communications, Inc. 6478 1601 367 285 AT&T Worldnet Services 4323 1600 1068 383 Time Warner Telecom 2386 1589 699 897 AT&T Data Communications Serv 7018 1429 5872 989 AT&T WorldNet Services 11492 1222 192 12 Cable One 3356 1099 10991 428 Level 3 Communications, LLC 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 433 1765 383 TDC Tele Danmark 30890 377 79 194 SC Kappa Invexim SRL 12479 373 578 6 Uni2 Autonomous System 3301 335 1413 304 TeliaNet Sweden 8866 331 109 22 Bulgarian Telecommunication C 29049 331 26 3 AzerSat LLC. 3320 329 7064 278 Deutsche Telekom AG 8452 322 188 11 TEDATA 3215 314 2776 97 France Telecom Transpac 8551 303 286 36 Bezeq International 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 1396 2832 220 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 10620 602 132 43 TVCABLE BOGOTA 22047 553 270 14 VTR PUNTO NET S.A. 7303 502 248 74 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 402 118 72 Servicios Alestra S.A de C.V 28573 358 487 25 NET Servicos de Comunicao S.A 14117 333 23 9 Telefonica del Sur S.A. 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 24863 575 73 43 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 265 34 3 EgyNet 2018 239 215 140 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 143 10 17 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 119 555 68 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 113 15 8 Ci Telecom Autonomous system 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 4374 3434 344 bellsouth.net, inc. 209 2982 4031 619 Qwest 20115 1848 1466 745 Charter Communications 1785 1703 717 155 PaeTec Communications, Inc. 6478 1601 367 285 AT&T Worldnet Services 4323 1600 1068 383 Time Warner Telecom 2386 1589 699 897 AT&T Data Communications Serv 17488 1443 101 105 Hathway IP Over Cable Interne 7018 1429 5872 989 AT&T WorldNet Services 8151 1396 2832 220 UniNet S.A. de C.V. Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2982 2363 Qwest 1785 1703 1548 PaeTec Communications, Inc. 17488 1443 1338 Hathway IP Over Cable Interne 6478 1601 1316 AT&T Worldnet Services 4323 1600 1217 Time Warner Telecom 11492 1222 1210 Cable One 8151 1396 1176 UniNet S.A. de C.V. 20115 1848 1103 Charter Communications 18566 1059 1049 Covad Communications 4755 1169 1016 TATA Communications formerly 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 3549 Global Crossing 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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 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 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 /9:9 /10:19 /11:55 /12:157 /13:307 /14:553 /15:1076 /16:10193 /17:4476 /18:7742 /19:16581 /20:19512 /21:18966 /22:24124 /23:24670 /24:143313 /25:883 /26:1039 /27:809 /28:98 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2858 4374 bellsouth.net, inc. 209 1705 2982 Qwest 2386 1270 1589 AT&T Data Communications Serv 17488 1232 1443 Hathway IP Over Cable Interne 11492 1197 1222 Cable One 1785 1163 1703 PaeTec Communications, Inc. 6478 1126 1601 AT&T Worldnet Services 4766 1083 1340 Korea Telecom (KIX) 18566 1040 1059 Covad Communications 9583 1004 1140 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:161 12:2218 13:2 15:21 16:3 17:5 20:36 24:1105 32:54 38:519 40:92 41:811 43:1 44:2 47:7 52:3 55:3 56:3 57:26 58:502 59:577 60:447 61:1053 62:1121 63:2012 64:3303 65:2446 66:3530 67:1421 68:652 69:2360 70:523 71:171 72:1596 73:7 74:1319 75:183 76:297 77:903 78:516 79:295 80:938 81:867 82:580 83:410 84:587 85:1046 86:505 87:652 88:354 89:1417 90:43 91:1757 92:325 93:1049 94:775 95:50 96:91 97:140 98:165 99:9 100:1 110:1 111:1 113:41 114:134 115:166 116:1045 117:412 118:267 119:555 120:105 121:691 122:895 123:451 124:857 125:1269 128:359 129:219 130:136 131:409 132:72 133:9 134:190 135:31 136:225 137:123 138:144 139:86 140:415 141:112 142:375 143:338 144:318 145:52 146:373 147:142 148:605 149:212 150:142 151:210 152:140 153:131 154:10 155:251 156:165 157:304 158:166 159:299 160:273 161:131 162:252 163:136 164:509 165:503 166:360 167:350 168:659 169:160 170:462 171:40 172:10 173:123 174:10 187:14 188:1 189:328 190:2469 192:5823 193:4144 194:3292 195:2643 196:1043 198:3720 199:3329 200:5536 201:1496 202:7833 203:8018 204:3943 205:2195 206:2301 207:2763 208:3761 209:3449 210:2716 211:1138 212:1552 213:1671 214:75 215:25 216:4387 217:1244 218:358 219:408 220:1172 221:470 222:286 End of report