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 <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 27 Feb, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 312233 Prefixes after maximum aggregation: 144486 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 153304 Total ASes present in the Internet Routing Table: 33408 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 29005 Origin ASes announcing only one prefix: 14141 Transit ASes present in the Internet Routing Table: 4403 Transit-only ASes present in the Internet Routing Table: 100 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 883 Unregistered ASNs in the Routing Table: 140 Number of 32-bit ASNs allocated by the RIRs: 447 Prefixes from 32-bit ASNs in the Routing Table: 433 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 235 Number of addresses announced to Internet: 2208633792 Equivalent to 131 /8s, 165 /16s and 19 /24s Percentage of available address space announced: 59.6 Percentage of allocated address space announced: 66.2 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 81.2 Total number of prefixes smaller than registry allocations: 150079 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75132 Total APNIC prefixes after maximum aggregation: 25995 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 71811 Unique aggregates announced from the APNIC address blocks: 31790 APNIC Region origin ASes present in the Internet Routing Table: 3970 APNIC Prefixes per ASN: 18.09 APNIC Region origin ASes announcing only one prefix: 1083 APNIC Region transit ASes present in the Internet Routing Table: 624 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 513310752 Equivalent to 30 /8s, 152 /16s and 128 /24s Percentage of available APNIC address space announced: 80.5 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, 27/8, 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 130267 Total ARIN prefixes after maximum aggregation: 67799 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 104360 Unique aggregates announced from the ARIN address blocks: 39769 ARIN Region origin ASes present in the Internet Routing Table: 13524 ARIN Prefixes per ASN: 7.72 ARIN Region origin ASes announcing only one prefix: 5222 ARIN Region transit ASes present in the Internet Routing Table: 1335 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 739540256 Equivalent to 44 /8s, 20 /16s and 125 /24s Percentage of available ARIN address space announced: 63.0 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, 50/8, 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, 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: 71976 Total RIPE prefixes after maximum aggregation: 41904 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 64873 Unique aggregates announced from the RIPE address blocks: 42898 RIPE Region origin ASes present in the Internet Routing Table: 14149 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 7336 RIPE Region transit ASes present in the Internet Routing Table: 2120 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 415745152 Equivalent to 24 /8s, 199 /16s and 196 /24s Percentage of available RIPE address space announced: 77.4 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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 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, 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: 27561 Total LACNIC prefixes after maximum aggregation: 6619 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 25902 Unique aggregates announced from the LACNIC address blocks: 14106 LACNIC Region origin ASes present in the Internet Routing Table: 1245 LACNIC Prefixes per ASN: 20.80 LACNIC Region origin ASes announcing only one prefix: 406 LACNIC Region transit ASes present in the Internet Routing Table: 212 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 71013376 Equivalent to 4 /8s, 59 /16s and 148 /24s Percentage of available LACNIC address space announced: 70.5 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: 6643 Total AfriNIC prefixes after maximum aggregation: 1772 AfriNIC Deaggregation factor: 3.75 Prefixes being announced from the AfriNIC address blocks: 4981 Unique aggregates announced from the AfriNIC address blocks: 1426 AfriNIC Region origin ASes present in the Internet Routing Table: 343 AfriNIC Prefixes per ASN: 14.52 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 73 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 14811904 Equivalent to 0 /8s, 226 /16s and 3 /24s Percentage of available AfriNIC address space announced: 44.1 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 1859 8533 477 Korea Telecom (KIX) 17488 1288 132 136 Hathway IP Over Cable Interne 4755 1287 288 139 TATA Communications formerly 18101 1083 221 39 Reliance Infocom Ltd Internet 4134 1019 19606 398 CHINANET-BACKBONE 9583 997 75 498 Sify Limited 7545 953 199 100 TPG Internet Pty Ltd 17974 926 278 45 PT TELEKOMUNIKASI INDONESIA 4808 852 1582 212 CNCGROUP IP network: China169 24560 850 300 167 Bharti Airtel Ltd., Telemedia 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 4066 3859 314 bellsouth.net, inc. 4323 3790 1084 394 Time Warner Telecom 1785 1831 698 129 PaeTec Communications, Inc. 7018 1561 5774 1007 AT&T WorldNet Services 20115 1553 1491 662 Charter Communications 2386 1316 617 928 AT&T Data Communications Serv 3356 1204 10943 418 Level 3 Communications, LLC 11492 1141 222 14 Cable One 22773 1125 2602 69 Cox Communications, Inc. 6478 1119 242 218 AT&T Worldnet Services 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 35805 581 40 5 United Telecom of Georgia 3292 451 1900 392 TDC Tele Danmark 30890 450 101 205 Evolva Telecom 702 424 1869 336 UUNET - Commercial IP service 8551 396 353 37 Bezeq International 8866 372 110 21 Bulgarian Telecommunication C 3320 363 7072 317 Deutsche Telekom AG 3301 352 1413 313 TeliaNet Sweden 3215 347 3206 103 France Telecom Transpac 12479 326 576 5 Uni2 Autonomous System 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 1584 2893 235 UniNet S.A. de C.V. 10620 1010 227 156 TVCABLE BOGOTA 28573 908 698 84 NET Servicos de Comunicao S.A 7303 677 359 99 Telecom Argentina Stet-France 22047 528 310 15 VTR PUNTO NET S.A. 6503 499 167 193 AVANTEL, S.A. 7738 476 922 30 Telecomunicacoes da Bahia S.A 11830 474 308 56 Instituto Costarricense de El 11172 446 99 70 Servicios Alestra S.A de C.V 3816 442 194 69 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 994 445 9 TEDATA 24863 714 144 40 LINKdotNET AS number 36992 585 131 172 Etisalat MISR 3741 273 855 234 The Internet Solution 33776 258 13 11 Starcomms Nigeria Limited 2018 210 215 121 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 169 19 9 Ci Telecom Autonomous system 24835 133 78 11 RAYA Telecom - Egypt 29975 133 506 14 Vodacom 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 4066 3859 314 bellsouth.net, inc. 4323 3790 1084 394 Time Warner Telecom 4766 1859 8533 477 Korea Telecom (KIX) 1785 1831 698 129 PaeTec Communications, Inc. 8151 1584 2893 235 UniNet S.A. de C.V. 7018 1561 5774 1007 AT&T WorldNet Services 20115 1553 1491 662 Charter Communications 2386 1316 617 928 AT&T Data Communications Serv 17488 1288 132 136 Hathway IP Over Cable Interne 4755 1287 288 139 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3790 3396 Time Warner Telecom 1785 1831 1702 PaeTec Communications, Inc. 4766 1859 1382 Korea Telecom (KIX) 8151 1584 1349 UniNet S.A. de C.V. 17488 1288 1152 Hathway IP Over Cable Interne 4755 1287 1148 TATA Communications formerly 11492 1141 1127 Cable One 22773 1125 1056 Cox Communications, Inc. 18566 1059 1049 Covad Communications 18101 1083 1044 Reliance Infocom Ltd Internet 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 12.39.155.0/24 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 Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 2.2.2.0/24 12654 RIPE NCC RIS Project 41.77.236.0/22 23456 32-bit ASN transition 41.190.64.0/22 28683 Office des Postes et telecomm 41.190.66.0/24 37039 >>UNKNOWN<< 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.216.32.0/19 28683 Office des Postes et telecomm 41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT 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 /8:21 /9:10 /10:25 /11:65 /12:187 /13:389 /14:659 /15:1233 /16:10946 /17:5164 /18:8734 /19:18052 /20:21928 /21:22096 /22:28392 /23:28183 /24:163196 /25:939 /26:1175 /27:580 /28:231 /29:13 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2631 4066 bellsouth.net, inc. 4323 2353 3790 Time Warner Telecom 4766 1472 1859 Korea Telecom (KIX) 1785 1294 1831 PaeTec Communications, Inc. 11492 1056 1141 Cable One 17488 1050 1288 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 18101 956 1083 Reliance Infocom Ltd Internet 7018 939 1561 AT&T WorldNet Services 10620 916 1010 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:2 4:14 8:239 12:1985 13:10 15:22 16:3 17:8 20:39 24:1349 27:1 32:48 38:642 40:99 41:2028 44:3 46:1 47:26 52:6 55:2 56:2 57:23 58:643 59:632 60:399 61:1096 62:1038 63:2014 64:3804 65:2348 66:4182 67:1781 68:1041 69:2843 70:694 71:236 72:1870 73:2 74:2128 75:241 76:333 77:819 78:587 79:396 80:999 81:778 82:449 83:434 84:642 85:1020 86:386 87:672 88:423 89:1526 90:76 91:2701 92:435 93:1144 94:1391 95:519 96:231 97:302 98:501 99:23 100:1 109:379 110:311 111:443 112:233 113:228 114:366 115:570 116:1028 117:624 118:386 119:916 120:138 121:842 122:1386 123:888 124:1069 125:1293 128:208 129:204 130:141 131:467 132:89 133:16 134:195 135:43 136:226 137:170 138:240 139:92 140:476 141:136 142:378 143:343 144:415 145:51 146:414 147:168 148:570 149:207 150:151 151:168 152:251 153:166 154:2 155:278 156:178 157:332 158:100 159:356 160:305 161:177 162:268 163:166 164:311 165:463 166:504 167:389 168:764 169:158 170:575 171:46 172:3 173:523 174:540 175:51 178:2 180:354 182:23 183:222 184:11 186:290 187:223 188:1359 189:687 190:3513 192:5712 193:4509 194:3357 195:2783 196:1169 198:3545 199:3378 200:5312 201:1462 202:8011 203:8275 204:4021 205:2170 206:2450 207:3006 208:3917 209:3449 210:2546 211:1196 212:1700 213:1655 214:268 215:57 216:4465 217:1513 218:487 219:427 220:1078 221:381 222:307 End of report