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 <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 25 Oct, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 271907 Prefixes after maximum aggregation: 131148 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 132451 Total ASes present in the Internet Routing Table: 29588 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25742 Origin ASes announcing only one prefix: 12531 Transit ASes present in the Internet Routing Table: 3846 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 549 Unregistered ASNs in the Routing Table: 196 Number of 32-bit ASNs allocated by the RIRs: 61 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 751 Number of addresses announced to Internet: 1912392384 Equivalent to 113 /8s, 252 /16s and 202 /24s Percentage of available address space announced: 51.6 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.9 Total number of prefixes smaller than registry allocations: 133807 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 62377 Total APNIC prefixes after maximum aggregation: 23279 APNIC Deaggregation factor: 2.68 Prefixes being announced from the APNIC address blocks: 59339 Unique aggregates announced from the APNIC address blocks: 26786 APNIC Region origin ASes present in the Internet Routing Table: 3418 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 918 APNIC Region transit ASes present in the Internet Routing Table: 532 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 379774368 Equivalent to 22 /8s, 162 /16s and 229 /24s Percentage of available APNIC address space announced: 80.8 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: 123035 Total ARIN prefixes after maximum aggregation: 64787 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 92511 Unique aggregates announced from the ARIN address blocks: 35100 ARIN Region origin ASes present in the Internet Routing Table: 12535 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4842 ARIN Region transit ASes present in the Internet Routing Table: 1198 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 363924896 Equivalent to 21 /8s, 177 /16s and 13 /24s Percentage of available ARIN address space announced: 74.8 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: 59860 Total RIPE prefixes after maximum aggregation: 35810 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 55001 Unique aggregates announced from the RIPE address blocks: 36533 RIPE Region origin ASes present in the Internet Routing Table: 12084 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 6351 RIPE Region transit ASes present in the Internet Routing Table: 1844 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 376405152 Equivalent to 22 /8s, 111 /16s and 124 /24s Percentage of available RIPE address space announced: 86.3 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: 22011 Total LACNIC prefixes after maximum aggregation: 5514 LACNIC Deaggregation factor: 3.99 Prefixes being announced from the LACNIC address blocks: 20083 Unique aggregates announced from the LACNIC address blocks: 11207 LACNIC Region origin ASes present in the Internet Routing Table: 1018 LACNIC Prefixes per ASN: 19.73 LACNIC Region origin ASes announcing only one prefix: 338 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 57442816 Equivalent to 3 /8s, 108 /16s and 130 /24s Percentage of available LACNIC address space announced: 57.1 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: 4078 Total AfriNIC prefixes after maximum aggregation: 1320 AfriNIC Deaggregation factor: 3.09 Prefixes being announced from the AfriNIC address blocks: 4340 Unique aggregates announced from the AfriNIC address blocks: 2112 AfriNIC Region origin ASes present in the Internet Routing Table: 264 AfriNIC Prefixes per ASN: 16.44 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12873216 Equivalent to 0 /8s, 196 /16s and 110 /24s Percentage of available AfriNIC address space announced: 38.4 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 1491 526 199 TATA Communications formerly 17488 1392 97 105 Hathway IP Over Cable Interne 9583 1107 87 475 Sify Limited 4766 883 6408 364 Korea Telecom (KIX) 4134 858 13760 353 CHINANET-BACKBONE 23577 812 35 694 Korea Telecom (ATM-MPLS) 18101 783 161 67 Reliance Infocom Ltd Internet 4780 723 357 63 Digital United Inc. 9498 692 295 54 BHARTI BT INTERNET LTD. 4808 631 1164 142 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 4354 3416 338 bellsouth.net, inc. 209 3061 4035 624 Qwest 6298 2025 320 705 Cox Communicatons 1785 1696 718 159 PaeTec Communications, Inc. 20115 1650 1437 723 Charter Communications 2386 1587 699 896 AT&T Data Communications Serv 4323 1555 1084 372 Time Warner Telecom 7018 1416 5873 980 AT&T WorldNet Services 6478 1322 274 197 AT&T Worldnet Services 11492 1212 152 11 Cable One 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 432 1777 384 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 3301 329 1428 300 TeliaNet Sweden 3215 328 2756 106 France Telecom Transpac 8866 328 111 23 Bulgarian Telecommunication C 3320 326 7063 275 Deutsche Telekom AG 5462 301 794 27 Telewest Broadband 25233 295 45 27 Awalnet 8452 294 188 11 TEDATA 8551 287 270 37 Bezeq International 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 1397 2833 220 UniNet S.A. de C.V. 11830 669 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 10620 518 122 63 TVCABLE BOGOTA 7303 494 243 70 Telecom Argentina Stet-France 16814 425 27 10 NSS, S.A. 6471 419 85 48 ENTEL CHILE S.A. 11172 407 118 73 Servicios Alestra S.A de C.V 28573 353 464 22 NET Servicos de Comunicao S.A 14117 331 23 9 Telefonica del Sur S.A. 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 548 72 42 LINKdotNET AS number 3741 269 856 225 The Internet Solution 2018 233 215 139 Tertiary Education Network 20858 217 34 3 EgyNet 6713 143 135 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 113 555 64 Telkom SA Ltd 29571 113 13 9 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 4354 3416 338 bellsouth.net, inc. 209 3061 4035 624 Qwest 6298 2025 320 705 Cox Communicatons 1785 1696 718 159 PaeTec Communications, Inc. 20115 1650 1437 723 Charter Communications 2386 1587 699 896 AT&T Data Communications Serv 4323 1555 1084 372 Time Warner Telecom 4755 1491 526 199 TATA Communications formerly 7018 1416 5873 980 AT&T WorldNet Services 8151 1397 2833 220 UniNet S.A. de C.V. Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 3061 2437 Qwest 1785 1696 1537 PaeTec Communications, Inc. 6298 2025 1320 Cox Communicatons 4755 1491 1292 TATA Communications formerly 17488 1392 1287 Hathway IP Over Cable Interne 11492 1212 1201 Cable One 4323 1555 1183 Time Warner Telecom 8151 1397 1177 UniNet S.A. de C.V. 6478 1322 1125 AT&T Worldnet Services 18566 1059 1049 Covad Communications 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 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 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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 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. 63.143.115.0/24 701 UUNET Technologies, Inc. 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 /12:148 /13:298 /14:538 /15:1065 /16:10122 /17:4401 /18:7639 /19:16422 /20:19306 /21:18769 /22:23822 /23:24789 /24:141736 /25:819 /26:995 /27:841 /28:90 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2852 4354 bellsouth.net, inc. 6298 1999 2025 Cox Communicatons 209 1781 3061 Qwest 2386 1269 1587 AT&T Data Communications Serv 11492 1188 1212 Cable One 17488 1183 1392 Hathway IP Over Cable Interne 1785 1157 1696 PaeTec Communications, Inc. 6478 1105 1322 AT&T Worldnet Services 18566 1040 1059 Covad Communications 9583 974 1107 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:140 12:2179 13:2 15:21 16:3 17:5 20:35 24:1084 32:55 38:512 40:92 41:720 43:1 44:2 47:13 52:3 55:3 56:3 57:27 58:519 59:531 60:452 61:1030 62:1113 63:2035 64:3263 65:2432 66:3500 67:1284 68:805 69:2331 70:863 71:138 72:2055 73:7 74:1262 75:168 76:284 77:925 78:810 79:282 80:911 81:870 82:606 83:403 84:595 85:1039 86:508 87:693 88:344 89:1365 90:23 91:1608 92:287 93:955 94:267 95:3 96:80 97:111 98:360 99:13 113:26 114:114 115:127 116:994 117:382 118:238 119:512 120:95 121:608 122:849 123:465 124:862 125:1194 128:354 129:207 130:135 131:416 132:72 133:9 134:185 135:31 136:156 137:98 138:145 139:81 140:409 141:105 142:389 143:299 144:324 145:51 146:375 147:141 148:523 149:212 150:128 151:208 152:147 153:135 154:10 155:278 156:174 157:302 158:169 159:302 160:274 161:139 162:255 163:133 164:520 165:502 166:363 167:338 168:635 169:154 170:450 171:33 172:10 173:56 187:18 188:1 189:296 190:2315 192:5749 193:4160 194:3273 195:2618 196:1004 198:3714 199:3301 200:5546 201:1450 202:7762 203:8048 204:3919 205:2167 206:2285 207:2762 208:3720 209:3429 210:2574 211:1093 212:1545 213:1612 214:164 215:25 216:4428 217:1258 218:349 219:438 220:1056 221:417 222:300 End of report