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 01 Dec, 2007 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 239310 Prefixes after maximum aggregation: 123017 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 116714 Total ASes present in the Internet Routing Table: 26802 Prefixes per ASN: 8.93 Origin-only ASes present in the Internet Routing Table: 23334 Origin ASes announcing only one prefix: 11385 Transit ASes present in the Internet Routing Table: 3468 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 28 Max AS path prepend of ASN (35389) 25 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 8 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1796436832 Equivalent to 107 /8s, 19 /16s and 115 /24s Percentage of available address space announced: 48.5 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 111869 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55812 Total APNIC prefixes after maximum aggregation: 21251 APNIC Deaggregation factor: 2.63 Prefixes being announced from the APNIC address blocks: 52717 Unique aggregates announced from the APNIC address blocks: 23396 APNIC Region origin ASes present in the Internet Routing Table: 3089 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 805 APNIC Region transit ASes present in the Internet Routing Table: 472 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 326303136 Equivalent to 19 /8s, 114 /16s and 253 /24s Percentage of available APNIC address space announced: 74.6 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 114/7, 116/6, 120/6, 124/7, 126/8 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 111989 Total ARIN prefixes after maximum aggregation: 63832 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 82596 Unique aggregates announced from the ARIN address blocks: 32775 ARIN Region origin ASes present in the Internet Routing Table: 11975 ARIN Prefixes per ASN: 6.90 ARIN Region origin ASes announcing only one prefix: 4607 ARIN Region transit ASes present in the Internet Routing Table: 1126 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 354117248 Equivalent to 21 /8s, 27 /16s and 102 /24s Percentage of available ARIN address space announced: 78.2 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 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 50277 Total RIPE prefixes after maximum aggregation: 32218 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 47104 Unique aggregates announced from the RIPE address blocks: 31176 RIPE Region origin ASes present in the Internet Routing Table: 10570 RIPE Prefixes per ASN: 4.46 RIPE Region origin ASes announcing only one prefix: 5620 RIPE Region transit ASes present in the Internet Routing Table: 1641 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 337246848 Equivalent to 20 /8s, 25 /16s and 250 /24s Percentage of available RIPE address space announced: 77.3 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 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 17959 Total LACNIC prefixes after maximum aggregation: 4600 LACNIC Deaggregation factor: 3.90 Prefixes being announced from the LACNIC address blocks: 15937 Unique aggregates announced from the LACNIC address blocks: 8874 LACNIC Region origin ASes present in the Internet Routing Table: 880 LACNIC Prefixes per ASN: 18.11 LACNIC Region origin ASes announcing only one prefix: 284 LACNIC Region transit ASes present in the Internet Routing Table: 158 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 46780928 Equivalent to 2 /8s, 201 /16s and 210 /24s Percentage of available LACNIC address space announced: 46.5 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 3262 Total AfriNIC prefixes after maximum aggregation: 1100 AfriNIC Deaggregation factor: 2.97 Prefixes being announced from the AfriNIC address blocks: 2430 Unique aggregates announced from the AfriNIC address blocks: 1439 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.41 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 40 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8190976 Equivalent to 0 /8s, 124 /16s and 252 /24s Percentage of available AfriNIC address space announced: 24.4 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 1485 383 69 Videsh Sanchar Nigam Ltd. Aut 4134 1106 11569 304 CHINANET-BACKBONE 9583 1093 81 423 Sify Limited 9498 1056 550 65 BHARTI BT INTERNET LTD. 17488 908 59 76 Hathway IP Over Cable Interne 9829 849 1312 9 BSNL National Internet Backbo 4766 818 5474 330 Korea Telecom (KIX) 23577 800 34 684 Korea Telecom (ATM-MPLS) 7545 683 152 116 TPG Internet Pty Ltd 18101 607 120 55 Reliance Infocom Ltd Internet 1221 546 1952 422 Telstra Pty Ltd 4812 530 869 79 China Telecom (Shanghai) 4668 519 68 10 LG-EDS Systems Inc. 4808 506 796 120 CNCGROUP IP network: China169 17676 503 10919 64 Softbank BB Corp. 4802 471 133 142 Wantree Development 9443 440 121 70 Primus Telecommunications 17974 403 145 17 PT TELEKOMUNIKASI INDONESIA 7474 383 202 269 SingTel Optus Pty Ltd 4837 362 5084 173 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1498 6139 1007 AT&T WorldNet Services 4323 1380 1017 363 Time Warner Telecom 2386 1282 633 792 AT&T Data Communications Serv 11492 1179 128 36 Cable One 6478 1124 329 178 AT&T Worldnet Services 18566 1033 288 9 Covad Communications 6197 1027 719 509 BellSouth Network Solutions, 7011 992 295 577 Citizens Utilities 174 979 6858 829 Cogent Communications 701 904 6550 709 UUNET Technologies, Inc. 20115 846 774 457 Charter Communications 3356 842 10887 416 Level 3 Communications, LLC 22773 823 2133 54 Cox Communications, Inc. 19262 815 2967 188 Verizon Global Networks 1239 792 2711 551 Sprint 209 742 3786 583 Qwest 5668 658 176 17 CenturyTel Internet Holdings, 15270 608 160 40 PaeTec.net -a division of Pae 6517 598 163 33 Yipes Communications, Inc. 852 582 1109 357 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 468 1917 381 UUNET - Commercial IP service 3292 405 1653 366 TDC Tele Danmark 9116 349 184 28 Goldenlines main autonomous s 3301 319 1457 294 TeliaNet Sweden 3320 316 6035 262 Deutsche Telekom AG 8452 283 188 7 TEDATA 8866 282 78 26 Bulgarian Telecommunication C 6746 276 129 253 Dynamic Network Technologies, 8551 276 266 40 Bezeq International 8708 274 421 244 Romania Data Systems S.A. 680 268 2045 254 DFN-IP service G-WiN 3215 266 2535 92 France Telecom Transpac 8220 253 446 233 COLT Telecommunications 3352 231 1916 46 Ibernet, Internet Access Netw 3269 227 2965 69 TELECOM ITALIA 3300 214 220 102 AUCS Communications Services 9121 211 1444 26 TTnet Autonomous System 9155 198 43 11 QualityNet AS number 1257 195 1195 178 SWIPnet Swedish IP Network 12479 194 578 6 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1160 2409 218 UniNet S.A. de C.V. 11830 539 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 7303 403 195 60 Telecom Argentina Stet-France 14522 381 33 8 SatNet S.A. 11172 379 115 62 Servicios Alestra S.A de C.V 6471 363 85 38 ENTEL CHILE S.A. 22047 322 254 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 10620 285 78 20 TVCABLE BOGOTA 14117 285 19 15 Telefonica del Sur S.A. 6147 258 214 21 Telefonica Del Peru 7738 237 602 25 Telecomunicacoes da Bahia S.A 11556 236 128 4 Cable-Wireless Panama 23216 221 17 47 RAMtelecom Telecomunicaciones 6503 218 187 86 AVANTEL, S.A. 20299 208 34 30 NEWCOM AMERICAS 28573 208 313 32 NET Servicos de Comunicao S.A 19169 190 12 20 Telconet 21826 186 33 47 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 367 60 51 LINKdotNET AS number 3741 281 869 226 The Internet Solution 20858 200 34 3 EgyNet 6713 145 135 11 Itissalat Al-MAGHRIB 2018 144 300 116 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 124 8 15 EEPAD TISP TELECOM & INTERNET 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 82 84 4 Nile Online 2905 77 174 73 The Internetworking Company o 23889 74 24 15 MAURITIUS TELECOM 20484 66 5 6 Yalla Online Autonomous Syste 15706 58 12 4 Sudatel Internet Exchange Aut 29571 57 13 7 Ci Telecom Autonomous system 33774 50 37 28 AS Number for Telecom Algeria 5713 46 422 36 Telkom SA Ltd 16637 42 21 28 Johnnic e-Ventures 8524 32 2 10 AUCEGYPT Autonomous System 12455 32 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1485 1416 Videsh Sanchar Nigam Ltd. Aut 11492 1179 1143 Cable One 18566 1033 1024 Covad Communications 4323 1380 1017 Time Warner Telecom 9498 1056 991 BHARTI BT INTERNET LTD. 6478 1124 946 AT&T Worldnet Services 8151 1160 942 UniNet S.A. de C.V. 9829 849 840 BSNL National Internet Backbo 17488 908 832 Hathway IP Over Cable Interne 4134 1106 802 CHINANET-BACKBONE 22773 823 769 Cox Communications, Inc. 9583 1093 670 Sify Limited 5668 658 641 CenturyTel Internet Holdings, 19262 815 627 Verizon Global Networks 15270 608 568 PaeTec.net -a division of Pae 7545 683 567 TPG Internet Pty Ltd 6517 598 565 Yipes Communications, Inc. 18101 607 552 Reliance Infocom Ltd Internet 11830 539 530 Instituto Costarricense de El 19916 569 522 OLM LLC List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65068 PRIVATE 79.171.184.0/21 43895 * 64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.31.31.0/24 9730 The Best ISP to go Multimedia 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.33.1.0/24 7018 AT&T WorldNet Services 173.173.173.0/24 9730 The Best ISP to go Multimedia 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.153.136.0/21 721 DLA Systems Automation Center 192.172.0.0/19 721 DLA Systems Automation Center 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 /10:16 /11:40 /12:134 /13:270 /14:485 /15:956 /16:9747 /17:4198 /18:6797 /19:14805 /20:16858 /21:16161 /22:20006 /23:20999 /24:125469 /25:785 /26:877 /27:564 /28:103 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1168 1179 Cable One 6478 1123 1124 AT&T Worldnet Services 18566 1015 1033 Covad Communications 2386 974 1282 AT&T Data Communications Serv 9583 938 1093 Sify Limited 7011 877 992 Citizens Utilities 4755 852 1485 Videsh Sanchar Nigam Ltd. Aut 7018 821 1498 AT&T WorldNet Services 23577 791 800 Korea Telecom (ATM-MPLS) 6197 770 1027 BellSouth Network Solutions, 9498 738 1056 BHARTI BT INTERNET LTD. 17488 723 908 Hathway IP Over Cable Interne 4766 607 818 Korea Telecom (KIX) 4323 585 1380 Time Warner Telecom 15270 571 608 PaeTec.net -a division of Pae 19916 564 569 OLM LLC 6517 554 598 Yipes Communications, Inc. 5668 518 658 CenturyTel Internet Holdings, 4668 509 519 LG-EDS Systems Inc. 18101 503 607 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:89 12:1872 13:1 15:20 16:3 17:6 18:13 20:35 24:1007 25:1 31:1 32:62 33:3 38:363 40:64 41:414 44:2 47:8 52:3 55:3 56:3 57:21 58:477 59:414 60:383 61:997 62:990 63:1987 64:3298 65:2360 66:3593 67:929 68:642 69:2035 70:467 71:106 72:1435 73:7 74:744 75:263 76:150 77:478 78:359 79:40 80:889 81:812 82:565 83:353 84:618 85:882 86:362 87:609 88:280 89:1043 90:39 91:792 92:13 96:1 97:6 98:16 114:1 115:1 116:455 117:230 118:47 121:357 122:654 123:223 124:727 125:982 128:309 129:195 130:137 131:374 132:60 133:9 134:193 135:33 136:195 137:82 138:149 139:74 140:512 141:146 142:373 143:259 144:323 145:51 146:329 147:125 148:481 149:185 150:170 151:137 152:95 153:122 154:11 155:269 156:199 157:225 158:160 159:197 160:184 161:97 162:189 163:185 164:558 165:415 166:289 167:310 168:537 169:126 170:419 171:29 172:5 173:1 189:118 190:1266 192:5730 193:4045 194:3221 195:2315 196:938 198:3809 199:3236 200:5236 201:1275 202:7472 203:7800 204:3986 205:2011 206:2406 207:2773 208:2998 209:3541 210:2513 211:1110 212:1274 213:1589 214:407 215:45 216:4081 217:1207 218:331 219:404 220:1005 221:408 222:282 End of report