Routing Table Report 00:00 GMT Sun 02 Nov, 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: 278479 Prefixes after maximum aggregation: 132947 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 132668 Total ASes present in the Internet Routing Table: 29744 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 25756 Origin ASes announcing only one prefix: 12581 Transit ASes present in the Internet Routing Table: 3988 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 27 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 545 Unregistered ASNs in the Routing Table: 205 Number of 32-bit ASNs allocated by the RIRs: 61 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 201 Number of addresses announced to Internet: 1919596828 Equivalent to 114 /8s, 106 /16s and 185 /24s Percentage of available address space announced: 51.8 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 82.8 Percentage of address space in use by end-sites: 74.0 Total number of prefixes smaller than registry allocations: 138167 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 65711 Total APNIC prefixes after maximum aggregation: 23213 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 62672 Unique aggregates announced from the APNIC address blocks: 26534 APNIC Region origin ASes present in the Internet Routing Table: 3445 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 933 APNIC Region transit ASes present in the Internet Routing Table: 549 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 380311328 Equivalent to 22 /8s, 171 /16s and 23 /24s Percentage of available APNIC address space announced: 81.0 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: 123613 Total ARIN prefixes after maximum aggregation: 66483 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 91999 Unique aggregates announced from the ARIN address blocks: 35301 ARIN Region origin ASes present in the Internet Routing Table: 12601 ARIN Prefixes per ASN: 7.30 ARIN Region origin ASes announcing only one prefix: 4873 ARIN Region transit ASes present in the Internet Routing Table: 1270 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 368894977 Equivalent to 21 /8s, 252 /16s and 228 /24s Percentage of available ARIN address space announced: 75.8 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: 60614 Total RIPE prefixes after maximum aggregation: 35970 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 56736 Unique aggregates announced from the RIPE address blocks: 37123 RIPE Region origin ASes present in the Internet Routing Table: 12126 RIPE Prefixes per ASN: 4.68 RIPE Region origin ASes announcing only one prefix: 6366 RIPE Region transit ASes present in the Internet Routing Table: 1873 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 376953159 Equivalent to 22 /8s, 119 /16s and 217 /24s Percentage of available RIPE address space announced: 86.4 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: 23880 Total LACNIC prefixes after maximum aggregation: 5531 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 21957 Unique aggregates announced from the LACNIC address blocks: 11282 LACNIC Region origin ASes present in the Internet Routing Table: 1025 LACNIC Prefixes per ASN: 21.42 LACNIC Region origin ASes announcing only one prefix: 329 LACNIC Region transit ASes present in the Internet Routing Table: 174 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 57664270 Equivalent to 3 /8s, 111 /16s and 227 /24s Percentage of available LACNIC address space announced: 57.3 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: 4123 Total AfriNIC prefixes after maximum aggregation: 1318 AfriNIC Deaggregation factor: 3.13 Prefixes being announced from the AfriNIC address blocks: 4404 Unique aggregates announced from the AfriNIC address blocks: 2114 AfriNIC Region origin ASes present in the Internet Routing Table: 264 AfriNIC Prefixes per ASN: 16.68 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC addresses announced to Internet: 12880512 Equivalent to 0 /8s, 196 /16s and 138 /24s Percentage of available AfriNIC address space announced: 25.6 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 4538 3350 3213 43 China Education and Research 4755 1488 575 105 Videsh Sanchar Nigam Ltd. Aut 17488 1404 98 103 Hathway IP Over Cable Interne 9583 1113 87 474 Sify Limited 4134 879 13760 355 CHINANET-BACKBONE 4766 853 6407 365 Korea Telecom (KIX) 18101 781 161 66 Reliance Infocom Ltd Internet 23577 776 34 694 Korea Telecom (ATM-MPLS) 4780 727 357 63 Digital United Inc. 9498 694 295 55 BHARTI BT INTERNET LTD. 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 4350 3402 335 bellsouth.net, inc. 6298 2051 323 684 Cox Communicatons 1785 1694 717 154 AppliedTheory Corporation 20115 1657 1442 725 Charter Communications 2386 1590 700 899 AT&T Data Communications Serv 4323 1563 1066 374 Time Warner Telecom 7018 1412 9927 979 AT&T WorldNet Services 1803 1370 9 1077 SPRINT 6478 1370 289 209 AT&T Worldnet Services 11492 1211 152 11 Cable One 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 438 1777 384 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 8866 346 111 23 Bulgarian Telecommunication C 3301 329 1428 300 TeliaNet Sweden 3215 328 2756 106 France Telecom Transpac 3320 324 7063 272 Deutsche Telekom AG 5462 324 794 27 Telewest Broadband 8452 322 188 11 TEDATA 25233 296 45 28 Awalnet 8551 287 270 37 Bezeq International 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 1752 244 74 Telecom Argentina Stet-France 8151 1374 2798 209 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 10620 545 126 59 TVCABLE BOGOTA 16814 426 27 10 NSS, S.A. 6471 420 85 49 ENTEL CHILE S.A. 16735 420 92 10 Companhia de Telecomunicacoes 11172 403 86 70 Servicios Alestra S.A de C.V 7738 373 730 27 Telecomunicacoes da Bahia S.A 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 550 72 41 LINKdotNET AS number 3741 268 856 225 The Internet Solution 20858 256 34 3 EgyNet 2018 236 215 139 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 138 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited 5713 113 539 62 Telkom SA Ltd 29571 113 13 9 Ci Telecom Autonomous system 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 4350 3402 335 bellsouth.net, inc. 4538 3350 3213 43 China Education and Research 6298 2051 323 684 Cox Communicatons 7303 1752 244 74 Telecom Argentina Stet-France 1785 1694 717 154 AppliedTheory Corporation 20115 1657 1442 725 Charter Communications 2386 1590 700 899 AT&T Data Communications Serv 4323 1563 1066 374 Time Warner Telecom 4755 1488 575 105 Videsh Sanchar Nigam Ltd. Aut 7018 1412 9927 979 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 3350 3307 China Education and Research 7303 1752 1678 Telecom Argentina Stet-France 1785 1694 1540 AppliedTheory Corporation 4755 1488 1383 Videsh Sanchar Nigam Ltd. Aut 6298 2051 1367 Cox Communicatons 17488 1404 1301 Hathway IP Over Cable Interne 11492 1211 1200 Cable One 4323 1563 1189 Time Warner Telecom 8151 1374 1165 UniNet S.A. de C.V. 6478 1370 1161 AT&T Worldnet Services 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 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 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 1239 Sprint 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/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 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 192.168.192.0/21 7497 Computer Network Information Complete listing at http://thyme.apnic.net/rviews/data-dsua 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 63.143.71.0/24 701 UUNET Technologies, Inc. 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 /8:18 /9:9 /10:18 /11:47 /12:153 /13:306 /14:545 /15:1077 /16:10223 /17:4449 /18:7687 /19:16444 /20:19672 /21:18979 /22:24681 /23:25424 /24:145366 /25:635 /26:730 /27:381 /28:801 /29:399 /30:200 /31:0 /32:235 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2851 4350 bellsouth.net, inc. 6298 2025 2051 Cox Communicatons 4538 1797 3350 China Education and Research 1803 1347 1370 SPRINT 7303 1280 1752 Telecom Argentina Stet-France 2386 1272 1590 AT&T Data Communications Serv 17488 1194 1404 Hathway IP Over Cable Interne 11492 1187 1211 Cable One 1785 1156 1694 AppliedTheory Corporation 6478 1105 1370 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:144 12:2190 13:2 15:21 16:3 17:5 20:35 24:1096 32:189 38:518 40:92 41:748 43:1 44:2 47:13 52:3 55:3 56:3 57:48 58:547 59:603 60:452 61:1058 62:1211 63:1945 64:3281 65:2416 66:3538 67:1280 68:806 69:2331 70:876 71:138 72:2069 73:7 74:1273 75:169 76:298 77:936 78:628 79:283 80:946 81:871 82:635 83:406 84:579 85:1065 86:508 87:730 88:352 89:1369 90:25 91:1671 92:292 93:979 94:276 95:4 96:83 97:121 98:370 99:14 113:38 114:121 115:138 116:1052 117:403 118:246 119:506 120:100 121:651 122:853 123:464 124:858 125:1271 128:353 129:220 130:135 131:419 132:72 133:9 134:187 135:31 136:218 137:99 138:146 139:89 140:418 141:105 142:390 143:306 144:324 145:51 146:374 147:141 148:522 149:300 150:128 151:208 152:152 153:142 154:10 155:280 156:174 157:303 158:169 159:301 160:273 161:139 162:254 163:136 164:518 165:509 166:379 167:339 168:631 169:155 170:476 171:40 172:10 173:66 187:18 188:1 189:343 190:2575 192:5843 193:4266 194:3385 195:2711 196:1019 198:3719 199:3311 200:5909 201:1632 202:8210 203:8049 204:3913 205:2169 206:2309 207:2724 208:3726 209:3421 210:3021 211:1293 212:1548 213:1670 214:68 215:25 216:4400 217:1262 218:412 219:530 220:1070 221:417 222:426 End of report