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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Weekly Routing Table Report
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 [email protected] For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <[email protected]>. Routing Table Report 04:00 +10GMT Sat 02 Aug, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 265184 Prefixes after maximum aggregation: 129461 Deaggregation factor: 2.05 Unique aggregates announced to Internet: 129300 Total ASes present in the Internet Routing Table: 28821 Prefixes per ASN: 9.20 Origin-only ASes present in the Internet Routing Table: 25126 Origin ASes announcing only one prefix: 12150 Transit ASes present in the Internet Routing Table: 3695 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 572 Unregistered ASNs in the Routing Table: 211 Number of 32-bit ASNs allocated by the RIRs: 53 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 791 Number of addresses announced to Internet: 1888212576 Equivalent to 112 /8s, 139 /16s and 214 /24s Percentage of available address space announced: 50.9 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.0 Total number of prefixes smaller than registry allocations: 129790 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 60837 Total APNIC prefixes after maximum aggregation: 22712 APNIC Deaggregation factor: 2.68 Prefixes being announced from the APNIC address blocks: 57817 Unique aggregates announced from the APNIC address blocks: 26028 APNIC Region origin ASes present in the Internet Routing Table: 3320 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 878 APNIC Region transit ASes present in the Internet Routing Table: 513 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 369846304 Equivalent to 22 /8s, 11 /16s and 104 /24s Percentage of available APNIC address space announced: 78.7 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: 121736 Total ARIN prefixes after maximum aggregation: 65145 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 91199 Unique aggregates announced from the ARIN address blocks: 34975 ARIN Region origin ASes present in the Internet Routing Table: 12333 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4760 ARIN Region transit ASes present in the Internet Routing Table: 1172 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 359625120 Equivalent to 21 /8s, 111 /16s and 113 /24s Percentage of available ARIN address space announced: 73.9 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: 57109 Total RIPE prefixes after maximum aggregation: 34644 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 52259 Unique aggregates announced from the RIPE address blocks: 35059 RIPE Region origin ASes present in the Internet Routing Table: 11666 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 6118 RIPE Region transit ASes present in the Internet Routing Table: 1753 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 368008320 Equivalent to 21 /8s, 239 /16s and 92 /24s Percentage of available RIPE address space announced: 84.4 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, 47104-48127 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: 20879 Total LACNIC prefixes after maximum aggregation: 5274 LACNIC Deaggregation factor: 3.96 Prefixes being announced from the LACNIC address blocks: 19108 Unique aggregates announced from the LACNIC address blocks: 10762 LACNIC Region origin ASes present in the Internet Routing Table: 971 LACNIC Prefixes per ASN: 19.68 LACNIC Region origin ASes announcing only one prefix: 316 LACNIC Region transit ASes present in the Internet Routing Table: 162 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 54027264 Equivalent to 3 /8s, 56 /16s and 100 /24s Percentage of available LACNIC address space announced: 53.7 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: 4054 Total AfriNIC prefixes after maximum aggregation: 1210 AfriNIC Deaggregation factor: 3.35 Prefixes being announced from the AfriNIC address blocks: 4420 Unique aggregates announced from the AfriNIC address blocks: 1902 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 18.04 AfriNIC Region origin ASes announcing only one prefix: 78 AfriNIC Region transit ASes present in the Internet Routing Table: 47 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12521984 Equivalent to 0 /8s, 191 /16s and 18 /24s Percentage of available AfriNIC address space announced: 37.3 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 4755 1688 345 177 Videsh Sanchar Nigam Ltd. Aut 17488 1267 87 91 Hathway IP Over Cable Interne 9583 1146 87 486 Sify Limited 4766 855 6390 348 Korea Telecom (KIX) 4134 831 13619 339 CHINANET-BACKBONE 23577 830 35 702 Korea Telecom (ATM-MPLS) 4780 712 353 64 Digital United Inc. 18101 711 167 33 Reliance Infocom Ltd Internet 9498 663 291 54 BHARTI BT INTERNET LTD. 4808 623 1120 138 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 3205 3359 213 bellsouth.net, inc. 209 2982 3860 621 Qwest 6298 1778 270 769 Cox Communicatons 4323 1491 1062 380 Time Warner Telecom 2386 1486 673 880 AT&T Data Communications Serv 7018 1409 5829 987 AT&T WorldNet Services 1785 1390 478 102 AppliedTheory Corporation 11492 1215 151 23 Cable One 20115 1115 1080 572 Charter Communications 18566 1045 296 10 Covad Communications 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 3292 414 1792 372 TDC Tele Danmark 3215 358 2756 106 France Telecom Transpac 8452 347 188 11 TEDATA 3301 332 1460 303 TeliaNet Sweden 3320 322 7047 270 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 296 666 27 Telewest Broadband 8551 287 270 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 6746 267 125 242 Dynamic Network Technologies, 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 1447 2591 226 UniNet S.A. de C.V. 11830 612 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 7303 474 234 62 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 417 85 48 ENTEL CHILE S.A. 11172 408 118 71 Servicios Alestra S.A de C.V 10620 405 106 58 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 20299 329 23 104 NEWCOM AMERICAS 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 479 62 20 LINKdotNET AS number 20858 398 34 3 EgyNet 3741 268 855 223 The Internet Solution 2018 212 213 131 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 135 10 12 EEPAD TISP TELECOM & INTERNET 5713 129 540 74 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 115 6 3 Starcomms Nigeria Limited 29571 107 13 8 Ci Telecom Autonomous system 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 3205 3359 213 bellsouth.net, inc. 209 2982 3860 621 Qwest 6298 1778 270 769 Cox Communicatons 4755 1688 345 177 Videsh Sanchar Nigam Ltd. Aut 4323 1491 1062 380 Time Warner Telecom 2386 1486 673 880 AT&T Data Communications Serv 8151 1447 2591 226 UniNet S.A. de C.V. 7018 1409 5829 987 AT&T WorldNet Services 1785 1390 478 102 AppliedTheory Corporation 17488 1267 87 91 Hathway IP Over Cable Interne Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2982 2361 Qwest 4755 1688 1511 Videsh Sanchar Nigam Ltd. Aut 1785 1390 1288 AppliedTheory Corporation 8151 1447 1221 UniNet S.A. de C.V. 11492 1215 1192 Cable One 17488 1267 1176 Hathway IP Over Cable Interne 4323 1491 1111 Time Warner Telecom 18566 1045 1035 Covad Communications 6298 1778 1009 Cox Communicatons 22773 969 906 Cox Communications, Inc. 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 12.0.252.0/23 701 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/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.48.244.0/23 7843 Adelphia Corp. 24.48.246.0/24 7843 Adelphia Corp. 24.51.159.0/24 7843 Adelphia Corp. 24.54.23.0/24 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 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 /8:18 /9:9 /10:17 /11:46 /12:147 /13:294 /14:520 /15:1051 /16:10043 /17:4339 /18:7536 /19:15968 /20:18587 /21:18269 /22:22879 /23:23873 /24:138870 /25:833 /26:1022 /27:758 /28:88 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2034 3205 bellsouth.net, inc. 6298 1752 1778 Cox Communicatons 209 1734 2982 Qwest 11492 1196 1215 Cable One 2386 1179 1486 AT&T Data Communications Serv 17488 1077 1267 Hathway IP Over Cable Interne 1785 1047 1390 AppliedTheory Corporation 4755 1039 1688 Videsh Sanchar Nigam Ltd. Aut 18566 1026 1045 Covad Communications 6478 1007 1016 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:128 12:2105 13:2 14:1 15:22 16:3 17:5 18:13 20:35 24:1098 32:60 38:471 40:92 41:698 43:1 44:2 47:12 52:3 55:3 56:3 57:25 58:527 59:511 60:456 61:990 62:1201 63:2039 64:3284 65:2381 66:3510 67:1225 68:746 69:2291 70:822 71:118 72:2008 73:6 74:1071 75:153 76:305 77:757 78:765 79:212 80:979 81:847 82:602 83:376 84:567 85:957 86:407 87:687 88:338 89:1315 90:31 91:1402 92:237 93:721 94:89 96:52 97:41 98:290 99:4 112:1 113:1 114:76 115:28 116:903 117:328 118:189 119:446 120:59 121:571 122:807 123:371 124:904 125:1175 128:360 129:198 130:135 131:412 132:66 133:9 134:186 135:33 136:223 137:95 138:146 139:93 140:498 141:98 142:405 143:321 144:393 145:51 146:371 147:157 148:519 149:194 150:125 151:182 152:137 153:136 154:10 155:252 156:173 157:291 158:187 159:239 160:274 161:118 162:214 163:155 164:517 165:454 166:316 167:330 168:624 169:139 170:422 171:32 172:10 188:1 189:362 190:2243 192:5787 193:4125 194:3239 195:2547 196:1031 198:3725 199:3309 200:5566 201:1473 202:7666 203:8056 204:3979 205:2136 206:2359 207:2761 208:3481 209:3493 210:2590 211:1078 212:1425 213:1602 214:161 215:49 216:4517 217:1243 218:343 219:428 220:1059 221:455 222:312 End of report
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