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 24 Jan, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 278634 Prefixes after maximum aggregation: 132262 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 135421 Total ASes present in the Internet Routing Table: 30368 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 26408 Origin ASes announcing only one prefix: 12861 Transit ASes present in the Internet Routing Table: 3960 Transit-only ASes present in the Internet Routing Table: 99 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN (12445) 18 Prefixes from unregistered ASNs in the Routing Table: 529 Unregistered ASNs in the Routing Table: 182 Number of 32-bit ASNs allocated by the RIRs: 78 Prefixes from 32-bit ASNs in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 273 Number of addresses announced to Internet: 1986107424 Equivalent to 118 /8s, 97 /16s and 152 /24s Percentage of available address space announced: 53.6 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.4 Total number of prefixes smaller than registry allocations: 137044 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 64288 Total APNIC prefixes after maximum aggregation: 22759 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 61154 Unique aggregates announced from the APNIC address blocks: 26988 APNIC Region origin ASes present in the Internet Routing Table: 3502 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 957 APNIC Region transit ASes present in the Internet Routing Table: 540 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 395679136 Equivalent to 23 /8s, 149 /16s and 149 /24s Percentage of available APNIC address space announced: 78.6 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, 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: 123881 Total ARIN prefixes after maximum aggregation: 65090 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 93335 Unique aggregates announced from the ARIN address blocks: 35568 ARIN Region origin ASes present in the Internet Routing Table: 12728 ARIN Prefixes per ASN: 7.33 ARIN Region origin ASes announcing only one prefix: 4900 ARIN Region transit ASes present in the Internet Routing Table: 1226 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 407062688 Equivalent to 24 /8s, 67 /16s and 72 /24s Percentage of available ARIN address space announced: 78.3 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, 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: 62615 Total RIPE prefixes after maximum aggregation: 36968 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57543 Unique aggregates announced from the RIPE address blocks: 38357 RIPE Region origin ASes present in the Internet Routing Table: 12537 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 6580 RIPE Region transit ASes present in the Internet Routing Table: 1911 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 386691168 Equivalent to 23 /8s, 12 /16s and 112 /24s Percentage of available RIPE address space announced: 88.6 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: 22988 Total LACNIC prefixes after maximum aggregation: 5665 LACNIC Deaggregation factor: 4.06 Prefixes being announced from the LACNIC address blocks: 21227 Unique aggregates announced from the LACNIC address blocks: 11724 LACNIC Region origin ASes present in the Internet Routing Table: 1050 LACNIC Prefixes per ASN: 20.22 LACNIC Region origin ASes announcing only one prefix: 334 LACNIC Region transit ASes present in the Internet Routing Table: 175 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 60435456 Equivalent to 3 /8s, 154 /16s and 44 /24s Percentage of available LACNIC address space announced: 60.0 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: 4365 Total AfriNIC prefixes after maximum aggregation: 1368 AfriNIC Deaggregation factor: 3.19 Prefixes being announced from the AfriNIC address blocks: 5252 Unique aggregates announced from the AfriNIC address blocks: 2180 AfriNIC Region origin ASes present in the Internet Routing Table: 280 AfriNIC Prefixes per ASN: 18.76 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 13112576 Equivalent to 0 /8s, 200 /16s and 21 /24s Percentage of available AfriNIC address space announced: 26.1 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 4766 1660 6411 376 Korea Telecom (KIX) 17488 1504 107 96 Hathway IP Over Cable Interne 4755 1193 428 175 TATA Communications formerly 9583 1156 130 110 Sify Limited 4134 902 16063 365 CHINANET-BACKBONE 18101 770 174 25 Reliance Infocom Ltd Internet 4780 720 357 64 Digital United Inc. 9498 680 297 52 BHARTI BT INTERNET LTD. 7545 675 152 81 TPG Internet Pty Ltd 24560 660 224 181 Bharti Airtel Ltd. 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 4381 3435 344 bellsouth.net, inc. 209 2833 4032 617 Qwest 20115 2033 1465 742 Charter Communications 1785 1793 735 158 PaeTec Communications, Inc. 4323 1621 1081 373 Time Warner Telecom 2386 1575 714 895 AT&T Data Communications Serv 7018 1444 5876 1002 AT&T WorldNet Services 11492 1216 192 12 Cable One 6478 1196 289 511 AT&T Worldnet Services 3356 1131 10997 441 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 8452 922 188 7 TEDATA 3292 441 1765 386 TDC Tele Danmark 30890 435 88 199 SC Kappa Invexim SRL 12479 393 578 6 Uni2 Autonomous System 3301 336 1669 302 TeliaNet Sweden 8866 333 109 22 Bulgarian Telecommunication C 3320 332 7065 281 Deutsche Telekom AG 3215 330 2897 99 France Telecom Transpac 29049 324 26 3 AzerSat LLC. 35805 324 27 7 United Telecom of Georgia 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 1479 2834 230 UniNet S.A. de C.V. 10620 725 153 77 TVCABLE BOGOTA 11830 681 299 9 Instituto Costarricense de El 22047 563 302 14 VTR PUNTO NET S.A. 7303 509 253 78 Telecom Argentina Stet-France 6471 437 94 41 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 11172 408 118 74 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 28573 376 505 22 NET Servicos de Comunicao 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 594 72 40 LINKdotNET AS number 3741 269 857 227 The Internet Solution 20858 262 34 3 This AS will be used to conne 2018 242 215 142 Tertiary Education Network 33783 150 10 8 EEPAD TISP TELECOM & INTERNET 6713 144 135 11 Itissalat Al-MAGHRIB 29571 128 15 8 Ci Telecom Autonomous system 5536 120 8 17 Internet Egypt Network 33776 118 6 3 Starcomms Nigeria Limited 5713 117 555 66 Telkom SA Ltd 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 4381 3435 344 bellsouth.net, inc. 209 2833 4032 617 Qwest 20115 2033 1465 742 Charter Communications 1785 1793 735 158 PaeTec Communications, Inc. 4766 1660 6411 376 Korea Telecom (KIX) 4323 1621 1081 373 Time Warner Telecom 2386 1575 714 895 AT&T Data Communications Serv 17488 1504 107 96 Hathway IP Over Cable Interne 8151 1479 2834 230 UniNet S.A. de C.V. 7018 1444 5876 1002 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2833 2216 Qwest 1785 1793 1635 PaeTec Communications, Inc. 17488 1504 1408 Hathway IP Over Cable Interne 20115 2033 1291 Charter Communications 4766 1660 1284 Korea Telecom (KIX) 8151 1479 1249 UniNet S.A. de C.V. 4323 1621 1248 Time Warner Telecom 11492 1216 1204 Cable One 18566 1060 1050 Covad Communications 9583 1156 1046 Sify Limited 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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.208.128.0/18 8346 SONATEL-AS Autonomous System 41.214.0.0/17 8346 SONATEL-AS Autonomous System 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.132.0/24 12491 IPPlanet 41.223.133.0/24 12491 IPPlanet 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 /10:20 /11:54 /12:159 /13:311 /14:566 /15:1107 /16:10312 /17:4540 /18:7807 /19:16861 /20:19755 /21:19324 /22:24573 /23:24942 /24:146188 /25:657 /26:812 /27:508 /28:94 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2858 4381 bellsouth.net, inc. 209 1577 2833 Qwest 4766 1394 1660 Korea Telecom (KIX) 17488 1289 1504 Hathway IP Over Cable Interne 2386 1255 1575 AT&T Data Communications Serv 1785 1207 1793 PaeTec Communications, Inc. 11492 1181 1216 Cable One 20115 1107 2033 Charter Communications 18566 1041 1060 Covad Communications 9583 1001 1156 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:175 12:2195 13:2 15:21 16:3 17:5 20:35 24:1179 32:51 38:536 40:96 41:1579 43:1 44:2 47:9 52:3 55:3 56:3 57:26 58:517 59:610 60:456 61:1109 62:1115 63:2003 64:3435 65:2439 66:3641 67:1460 68:673 69:2447 70:528 71:207 72:1604 73:7 74:1358 75:203 76:303 77:795 78:534 79:318 80:939 81:846 82:564 83:395 84:589 85:1080 86:397 87:638 88:361 89:1388 90:46 91:1879 92:324 93:1068 94:984 95:207 96:97 97:171 98:187 99:11 110:1 111:1 112:14 113:68 114:157 115:209 116:1133 117:473 118:266 119:614 120:131 121:704 122:926 123:494 124:838 125:1273 128:353 129:225 130:135 131:413 132:68 133:9 134:321 135:35 136:224 137:138 138:145 139:92 140:413 141:109 142:384 143:326 144:327 145:38 146:372 147:144 148:529 149:225 150:133 151:212 152:149 153:131 154:10 155:259 156:171 157:271 158:160 159:277 160:280 161:140 162:271 163:138 164:514 165:504 166:363 167:351 168:682 169:162 170:469 171:37 172:10 173:168 174:38 186:2 187:25 189:361 190:2544 192:5821 193:4191 194:3317 195:2675 196:1058 198:3657 199:3312 200:5495 201:1468 202:7801 203:8094 204:3932 205:2151 206:2313 207:2798 208:3819 209:3503 210:2771 211:1170 212:1546 213:1645 214:66 215:30 216:4556 217:1205 218:375 219:402 220:1221 221:472 222:296 End of report