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 06 Mar, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 313470 Prefixes after maximum aggregation: 144980 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 152997 Total ASes present in the Internet Routing Table: 33474 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 29055 Origin ASes announcing only one prefix: 14167 Transit ASes present in the Internet Routing Table: 4419 Transit-only ASes present in the Internet Routing Table: 103 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: 909 Unregistered ASNs in the Routing Table: 144 Number of 32-bit ASNs allocated by the RIRs: 455 Prefixes from 32-bit ASNs in the Routing Table: 452 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 216 Number of addresses announced to Internet: 2195830208 Equivalent to 130 /8s, 225 /16s and 181 /24s Percentage of available address space announced: 59.2 Percentage of allocated address space announced: 65.8 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 81.5 Total number of prefixes smaller than registry allocations: 150774 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75227 Total APNIC prefixes after maximum aggregation: 26054 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 71896 Unique aggregates announced from the APNIC address blocks: 31752 APNIC Region origin ASes present in the Internet Routing Table: 3979 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 1086 APNIC Region transit ASes present in the Internet Routing Table: 622 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 498721568 Equivalent to 29 /8s, 185 /16s and 227 /24s Percentage of available APNIC address space announced: 78.2 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: 130980 Total ARIN prefixes after maximum aggregation: 68073 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 104722 Unique aggregates announced from the ARIN address blocks: 39847 ARIN Region origin ASes present in the Internet Routing Table: 13541 ARIN Prefixes per ASN: 7.73 ARIN Region origin ASes announcing only one prefix: 5233 ARIN Region transit ASes present in the Internet Routing Table: 1339 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 740075552 Equivalent to 44 /8s, 28 /16s and 168 /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: 72277 Total RIPE prefixes after maximum aggregation: 42038 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 65114 Unique aggregates announced from the RIPE address blocks: 42977 RIPE Region origin ASes present in the Internet Routing Table: 14179 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7343 RIPE Region transit ASes present in the Internet Routing Table: 2129 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 416772736 Equivalent to 24 /8s, 215 /16s and 114 /24s Percentage of available RIPE address space announced: 77.6 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, 47104-52223, 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: 27616 Total LACNIC prefixes after maximum aggregation: 6640 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 25976 Unique aggregates announced from the LACNIC address blocks: 13520 LACNIC Region origin ASes present in the Internet Routing Table: 1247 LACNIC Prefixes per ASN: 20.83 LACNIC Region origin ASes announcing only one prefix: 406 LACNIC Region transit ASes present in the Internet Routing Table: 211 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 71116288 Equivalent to 4 /8s, 61 /16s and 38 /24s Percentage of available LACNIC address space announced: 70.6 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: 6696 Total AfriNIC prefixes after maximum aggregation: 1770 AfriNIC Deaggregation factor: 3.78 Prefixes being announced from the AfriNIC address blocks: 5037 Unique aggregates announced from the AfriNIC address blocks: 1453 AfriNIC Region origin ASes present in the Internet Routing Table: 347 AfriNIC Prefixes per ASN: 14.52 AfriNIC Region origin ASes announcing only one prefix: 99 AfriNIC Region transit ASes present in the Internet Routing Table: 76 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14840832 Equivalent to 0 /8s, 226 /16s and 116 /24s Percentage of available AfriNIC address space announced: 44.2 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 1853 8533 472 Korea Telecom (KIX) 17488 1293 132 137 Hathway IP Over Cable Interne 4755 1284 287 136 TATA Communications formerly 18101 1075 221 39 Reliance Infocom Ltd Internet 4134 1018 19605 397 CHINANET-BACKBONE 9583 997 75 498 Sify Limited 7545 952 199 99 TPG Internet Pty Ltd 17974 928 282 18 PT TELEKOMUNIKASI INDONESIA 9829 841 684 22 BSNL National Internet Backbo 4808 837 1582 212 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 4059 3842 314 bellsouth.net, inc. 4323 3791 1084 395 Time Warner Telecom 1785 1796 698 129 PaeTec Communications, Inc. 7018 1558 5757 1003 AT&T WorldNet Services 20115 1554 1493 663 Charter Communications 2386 1318 602 936 AT&T Data Communications Serv 3356 1209 10944 419 Level 3 Communications, LLC 11492 1146 222 14 Cable One 6478 1129 242 205 AT&T Worldnet Services 22773 1128 2602 69 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 35805 585 40 5 United Telecom of Georgia 3292 452 1900 393 TDC Tele Danmark 30890 450 101 205 Evolva Telecom 702 424 1870 336 UUNET - Commercial IP service 8551 396 353 37 Bezeq International 8866 386 112 21 Bulgarian Telecommunication C 3320 363 7072 317 Deutsche Telekom AG 3301 354 1413 315 TeliaNet Sweden 3215 347 3206 103 France Telecom Transpac 12479 332 576 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 1577 2893 236 UniNet S.A. de C.V. 10620 1010 227 156 TVCABLE BOGOTA 28573 901 698 85 NET Servicos de Comunicao S.A 7303 679 359 98 Telecom Argentina Stet-France 22047 529 310 15 VTR PUNTO NET S.A. 6503 499 167 193 AVANTEL, S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 474 308 56 Instituto Costarricense de El 3816 446 194 69 Empresa Nacional de Telecomun 11172 446 99 70 Servicios Alestra S.A de C.V 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 993 445 10 TEDATA 24863 715 144 41 LINKdotNET AS number 36992 581 131 169 Etisalat MISR 3741 275 855 234 The Internet Solution 33776 251 14 11 Starcomms Nigeria Limited 2018 210 215 121 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 171 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 4059 3842 314 bellsouth.net, inc. 4323 3791 1084 395 Time Warner Telecom 4766 1853 8533 472 Korea Telecom (KIX) 1785 1796 698 129 PaeTec Communications, Inc. 8151 1577 2893 236 UniNet S.A. de C.V. 7018 1558 5757 1003 AT&T WorldNet Services 20115 1554 1493 663 Charter Communications 2386 1318 602 936 AT&T Data Communications Serv 17488 1293 132 137 Hathway IP Over Cable Interne 4755 1284 287 136 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 3791 3396 Time Warner Telecom 1785 1796 1667 PaeTec Communications, Inc. 4766 1853 1381 Korea Telecom (KIX) 8151 1577 1341 UniNet S.A. de C.V. 17488 1293 1156 Hathway IP Over Cable Interne 4755 1284 1148 TATA Communications formerly 11492 1146 1132 Cable One 22773 1128 1059 Cox Communications, Inc. 18566 1059 1049 Covad Communications 18101 1075 1036 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 41.77.236.0/22 23456 32-bit ASN transition 41.190.64.0/22 28683 Office des Postes et telecomm 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 41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT 41.222.79.0/24 36938 Amsco Telecommunications Nige 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 /8:20 /9:10 /10:25 /11:66 /12:188 /13:388 /14:661 /15:1234 /16:10950 /17:5156 /18:8716 /19:18094 /20:21993 /21:22160 /22:28483 /23:28273 /24:164098 /25:942 /26:1176 /27:584 /28:224 /29:14 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2627 4059 bellsouth.net, inc. 4323 2351 3791 Time Warner Telecom 4766 1466 1853 Korea Telecom (KIX) 1785 1258 1796 PaeTec Communications, Inc. 11492 1058 1146 Cable One 17488 1054 1293 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 18101 947 1075 Reliance Infocom Ltd Internet 7018 938 1558 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) ---------------------------------------------- 1:2 2:1 4:12 8:240 12:1981 13:10 15:22 16:3 17:8 20:39 24:1355 27:1 32:48 38:644 40:99 41:2059 44:3 46:1 47:26 52:6 55:2 56:2 57:23 58:640 59:632 60:400 61:1098 62:1053 63:1999 64:3818 65:2360 66:4150 67:1797 68:1042 69:2846 70:694 71:237 72:1880 73:2 74:2137 75:242 76:334 77:827 78:590 79:399 80:990 81:778 82:450 83:449 84:655 85:1023 86:385 87:683 88:425 89:1529 90:77 91:2700 92:435 93:1143 94:1397 95:528 96:234 97:302 98:503 99:26 100:1 109:389 110:296 111:449 112:239 113:241 114:373 115:574 116:1022 117:630 118:390 119:940 120:148 121:842 122:1380 123:865 124:1068 125:1285 128:208 129:205 130:141 131:486 132:204 133:17 134:195 135:43 136:226 137:171 138:240 139:92 140:474 141:135 142:379 143:347 144:413 145:51 146:407 147:168 148:573 149:209 150:151 151:168 152:257 153:167 154:2 155:278 156:178 157:327 158:99 159:358 160:305 161:177 162:270 163:166 164:311 165:495 166:506 167:390 168:783 169:161 170:710 171:46 172:2 173:529 174:542 175:60 178:3 180:351 182:24 183:228 184:13 186:306 187:223 188:1415 189:702 190:3526 192:5718 193:4527 194:3358 195:2803 196:1177 198:3553 199:3380 200:5259 201:1477 202:8042 203:8296 204:4074 205:2175 206:2507 207:3074 208:3913 209:3459 210:2544 211:1198 212:1703 213:1660 214:262 215:61 216:4472 217:1513 218:488 219:426 220:1074 221:380 222:304 End of report