Routing Table Report 00:00 GMT Thu 12 Jun, 2008 NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately. Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/ Analysis Summary ---------------- BGP routing table entries examined: 265407 Prefixes after maximum aggregation: 129431 Deaggregation factor: 2.05 Unique aggregates announced to Internet: 126640 Total ASes present in the Internet Routing Table: 28472 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 24692 Origin ASes announcing only one prefix: 11982 Transit ASes present in the Internet Routing Table: 3780 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 28 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 637 Unregistered ASNs in the Routing Table: 239 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 829 Number of addresses announced to Internet: 1894155961 Equivalent to 112 /8s, 230 /16s and 134 /24s Percentage of available address space announced: 51.1 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.1 Total number of prefixes smaller than registry allocations: 129905 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 60865 Total APNIC prefixes after maximum aggregation: 22082 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 57979 Unique aggregates announced from the APNIC address blocks: 24875 APNIC Region origin ASes present in the Internet Routing Table: 3276 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 875 APNIC Region transit ASes present in the Internet Routing Table: 522 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 27 Number of APNIC addresses announced to Internet: 352034720 Equivalent to 20 /8s, 251 /16s and 159 /24s Percentage of available APNIC address space announced: 74.9 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, 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: 121423 Total ARIN prefixes after maximum aggregation: 66454 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 90444 Unique aggregates announced from the ARIN address blocks: 34829 ARIN Region origin ASes present in the Internet Routing Table: 12230 ARIN Prefixes per ASN: 7.40 ARIN Region origin ASes announcing only one prefix: 4741 ARIN Region transit ASes present in the Internet Routing Table: 1203 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 358178058 Equivalent to 21 /8s, 89 /16s and 93 /24s Percentage of available ARIN address space announced: 73.6 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: 56602 Total RIPE prefixes after maximum aggregation: 34068 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 52017 Unique aggregates announced from the RIPE address blocks: 34173 RIPE Region origin ASes present in the Internet Routing Table: 11459 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5987 RIPE Region transit ASes present in the Internet Routing Table: 1776 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 360904256 Equivalent to 21 /8s, 130 /16s and 246 /24s Percentage of available RIPE address space announced: 82.7 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, 47104-48127 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: 21982 Total LACNIC prefixes after maximum aggregation: 5103 LACNIC Deaggregation factor: 4.31 Prefixes being announced from the LACNIC address blocks: 20212 Unique aggregates announced from the LACNIC address blocks: 10358 LACNIC Region origin ASes present in the Internet Routing Table: 957 LACNIC Prefixes per ASN: 21.12 LACNIC Region origin ASes announcing only one prefix: 302 LACNIC Region transit ASes present in the Internet Routing Table: 159 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 52377992 Equivalent to 3 /8s, 31 /16s and 57 /24s Percentage of available LACNIC address space announced: 52.0 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: 3904 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4177 Unique aggregates announced from the AfriNIC address blocks: 1871 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 17.05 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 49 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 12316416 Equivalent to 0 /8s, 187 /16s and 239 /24s Percentage of available AfriNIC address space announced: 36.7 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 2065 3134 41 China Education and Research 4755 1641 387 88 Videsh Sanchar Nigam Ltd. Aut 9498 1179 550 62 BHARTI BT INTERNET LTD. 9583 1117 111 412 Sify Limited 17488 1100 76 74 Hathway IP Over Cable Interne 4134 836 12917 322 CHINANET-BACKBONE 23577 833 33 740 Korea Telecom (ATM-MPLS) 4766 815 6005 344 Korea Telecom (KIX) 18101 692 167 36 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 2208 3104 182 bellsouth.net, inc. 4323 1467 1043 377 Time Warner Telecom 3549 1449 540 208 Global Crossing 2386 1447 645 885 AT&T Data Communications Serv 7018 1365 9897 970 AT&T WorldNet Services 11492 1208 148 11 Cable One 1803 1200 7 947 SPRINT 1785 1068 510 104 AppliedTheory Corporation 18566 1044 296 10 Covad Communications 20115 1041 1063 565 Charter Communications Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 415 1772 371 TDC Tele Danmark 8452 347 188 7 TEDATA 3301 338 1460 308 TeliaNet Sweden 3320 316 7045 265 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 298 666 27 Telewest Broadband 3215 285 2742 89 France Telecom Transpac 8551 283 269 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 9155 271 45 12 QualityNet AS number Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7303 1644 229 66 Telecom Argentina Stet-France 8151 1243 2464 226 UniNet S.A. de C.V. 11830 603 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 414 85 47 ENTEL CHILE S.A. 11172 410 118 69 Servicios Alestra S.A de C.V 10620 390 100 73 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 16735 367 92 11 Companhia de Telecomunicacoes Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 475 61 30 LINKdotNET AS number 3741 282 853 223 The Internet Solution 20858 219 34 3 EgyNet 2018 192 189 82 Tertiary Education Network 5713 163 558 99 Telkom SA Ltd 6713 145 136 12 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 102 13 8 Ci Telecom Autonomous system 33776 100 6 3 Starcomms Nigeria Limited Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 2208 3104 182 bellsouth.net, inc. 4538 2065 3134 41 China Education and Research 7303 1644 229 66 Telecom Argentina Stet-France 4755 1641 387 88 Videsh Sanchar Nigam Ltd. Aut 4323 1467 1043 377 Time Warner Telecom 3549 1449 540 208 Global Crossing 2386 1447 645 885 AT&T Data Communications Serv 7018 1365 9897 970 AT&T WorldNet Services 8151 1243 2464 226 UniNet S.A. de C.V. 11492 1208 148 11 Cable One Complete listing at http://thyme.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 2065 2024 China Education and Research 7303 1644 1578 Telecom Argentina Stet-France 4755 1641 1553 Videsh Sanchar Nigam Ltd. Aut 3549 1449 1241 Global Crossing 11492 1208 1197 Cable One 9498 1179 1117 BHARTI BT INTERNET LTD. 4323 1467 1090 Time Warner Telecom 18566 1044 1034 Covad Communications 17488 1100 1026 Hathway IP Over Cable Interne 8151 1243 1017 UniNet S.A. de C.V. Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 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 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/rviews/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.246.49/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 172.30.254.0/24 4771 Netgate Complete listing at http://thyme.apnic.net/rviews/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.51.159.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 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 63.140.213.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.apnic.net/rviews/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 /9:9 /10:16 /11:43 /12:143 /13:284 /14:519 /15:1032 /16:10022 /17:4389 /18:7394 /19:15624 /20:18392 /21:17803 /22:22887 /23:23454 /24:139520 /25:876 /26:1109 /27:368 /28:712 /29:355 /30:211 /31:0 /32:225 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 1356 2208 bellsouth.net, inc. 11492 1190 1208 Cable One 1803 1178 1200 SPRINT 7303 1148 1644 Telecom Argentina Stet-France 2386 1145 1447 AT&T Data Communications Serv 3549 1069 1449 Global Crossing 18566 1025 1044 Covad Communications 4755 990 1641 Videsh Sanchar Nigam Ltd. Aut 4538 979 2065 China Education and Research 9583 971 1117 Sify Limited Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:113 12:2070 13:1 14:1 15:22 16:3 17:5 18:13 20:37 24:1071 25:1 32:199 33:3 38:441 40:93 41:642 43:1 44:2 47:12 52:3 55:4 56:3 57:46 58:518 59:505 60:445 61:1008 62:1137 63:1960 64:3569 65:2418 66:3769 67:1218 68:694 69:2268 70:682 71:126 72:1810 73:5 74:1006 75:217 76:315 77:730 78:703 79:193 80:926 81:867 82:582 83:400 84:576 85:1010 86:423 87:704 88:315 89:1272 90:12 91:1272 92:184 93:724 94:16 96:33 97:22 98:197 99:3 100:1 111:1 114:29 116:671 117:338 118:144 119:422 120:57 121:538 122:787 123:345 124:847 125:1147 128:327 129:207 130:130 131:405 132:67 133:9 134:177 135:33 136:218 137:91 138:151 139:85 140:498 141:99 142:403 143:330 144:352 145:51 146:375 147:154 148:507 149:195 150:130 151:193 152:144 153:143 154:10 155:273 156:174 157:277 158:168 159:239 160:257 161:114 162:233 163:185 164:530 165:458 166:331 167:329 168:619 169:131 170:448 171:29 172:11 189:213 190:2265 192:5803 193:4171 194:3243 195:2525 196:1073 198:3751 199:3281 200:5967 201:1608 202:8141 203:7910 204:3990 205:2133 206:2498 207:2821 208:3526 209:3541 210:2884 211:1178 212:1405 213:1644 214:164 215:49 216:4463 217:1205 218:397 219:505 220:1080 221:471 222:369 End of report