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 17 Nov, 2007 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 237728 Prefixes after maximum aggregation: 122638 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 116219 Total ASes present in the Internet Routing Table: 26647 Prefixes per ASN: 8.92 Origin-only ASes present in the Internet Routing Table: 23206 Origin ASes announcing only one prefix: 11285 Transit ASes present in the Internet Routing Table: 3441 Transit-only ASes present in the Internet Routing Table: 78 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: 12 Unregistered ASNs in the Routing Table: 6 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: 12 Number of addresses announced to Internet: 1792213248 Equivalent to 106 /8s, 211 /16s and 1 /24s Percentage of available address space announced: 48.4 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 110584 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55518 Total APNIC prefixes after maximum aggregation: 21176 APNIC Deaggregation factor: 2.62 Prefixes being announced from the APNIC address blocks: 52412 Unique aggregates announced from the APNIC address blocks: 23200 APNIC Region origin ASes present in the Internet Routing Table: 3065 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 795 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: 15 Number of APNIC addresses announced to Internet: 325256896 Equivalent to 19 /8s, 99 /16s and 6 /24s Percentage of available APNIC address space announced: 74.4 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: 111599 Total ARIN prefixes after maximum aggregation: 63807 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 82514 Unique aggregates announced from the ARIN address blocks: 32770 ARIN Region origin ASes present in the Internet Routing Table: 11942 ARIN Prefixes per ASN: 6.91 ARIN Region origin ASes announcing only one prefix: 4596 ARIN Region transit ASes present in the Internet Routing Table: 1123 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 352493952 Equivalent to 21 /8s, 2 /16s and 161 /24s Percentage of available ARIN address space announced: 77.8 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 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: 49651 Total RIPE prefixes after maximum aggregation: 31991 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 46515 Unique aggregates announced from the RIPE address blocks: 30992 RIPE Region origin ASes present in the Internet Routing Table: 10471 RIPE Prefixes per ASN: 4.44 RIPE Region origin ASes announcing only one prefix: 5544 RIPE Region transit ASes present in the Internet Routing Table: 1631 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 336803584 Equivalent to 20 /8s, 19 /16s and 55 /24s Percentage of available RIPE address space announced: 77.2 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: 17693 Total LACNIC prefixes after maximum aggregation: 4565 LACNIC Deaggregation factor: 3.88 Prefixes being announced from the LACNIC address blocks: 15727 Unique aggregates announced from the LACNIC address blocks: 8772 LACNIC Region origin ASes present in the Internet Routing Table: 876 LACNIC Prefixes per ASN: 17.95 LACNIC Region origin ASes announcing only one prefix: 282 LACNIC Region transit ASes present in the Internet Routing Table: 149 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 45867008 Equivalent to 2 /8s, 187 /16s and 224 /24s Percentage of available LACNIC address space announced: 45.6 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: 3247 Total AfriNIC prefixes after maximum aggregation: 1085 AfriNIC Deaggregation factor: 2.99 Prefixes being announced from the AfriNIC address blocks: 2398 Unique aggregates announced from the AfriNIC address blocks: 1409 AfriNIC Region origin ASes present in the Internet Routing Table: 214 AfriNIC Prefixes per ASN: 11.21 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8173056 Equivalent to 0 /8s, 124 /16s and 182 /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 1464 383 69 Videsh Sanchar Nigam Ltd. Aut 4134 1102 11565 303 CHINANET-BACKBONE 9583 1089 81 421 Sify Limited 9498 1049 549 64 BHARTI BT INTERNET LTD. 17488 879 57 70 Hathway IP Over Cable Interne 4766 816 5474 329 Korea Telecom (KIX) 23577 798 33 681 Korea Telecom (ATM-MPLS) 7545 721 159 123 TPG Internet Pty Ltd 18101 611 120 55 Reliance Infocom Ltd Internet 1221 543 1951 424 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 524 866 77 China Telecom (Shanghai) 4668 520 68 10 LG-EDS Systems Inc. 4808 504 799 122 CNCGROUP IP network: China169 17676 503 10919 64 Softbank BB Corp. 4802 482 130 142 Wantree Development 9443 440 121 70 Primus Telecommunications 17974 398 146 14 PT TELEKOMUNIKASI INDONESIA 7474 383 202 269 SingTel Optus Pty Ltd 4837 356 5050 168 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1500 6140 1013 AT&T WorldNet Services 4323 1367 1016 359 Time Warner Telecom 2386 1272 633 782 AT&T Data Communications Serv 11492 1171 122 41 Cable One 6478 1124 329 179 AT&T Worldnet Services 18566 1032 288 9 Covad Communications 6197 1028 693 523 BellSouth Network Solutions, 7011 982 291 570 Citizens Utilities 174 975 6857 839 Cogent Communications 701 906 6570 708 UUNET Technologies, Inc. 20115 846 775 453 Charter Communications 3356 833 10887 415 Level 3 Communications, LLC 22773 819 2133 54 Cox Communications, Inc. 19262 812 2926 183 Verizon Global Networks 1239 799 2711 555 Sprint 209 736 3786 578 Qwest 5668 664 176 17 CenturyTel Internet Holdings, 15270 601 161 41 PaeTec.net -a division of Pae 3561 591 2324 372 Savvis 6517 585 163 33 Yipes Communications, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 468 1917 381 UUNET - Commercial IP service 9116 348 184 28 Goldenlines main autonomous s 8551 327 314 40 Bezeq International 3301 316 1441 293 TeliaNet Sweden 3320 316 6035 262 Deutsche Telekom AG 8866 280 78 26 Bulgarian Telecommunication C 8708 275 421 245 Romania Data Systems S.A. 6746 274 129 252 Dynamic Network Technologies, 680 268 2045 254 DFN-IP service G-WiN 3215 265 2519 91 France Telecom Transpac 8452 262 188 7 TEDATA 8220 258 445 236 COLT Telecommunications 3352 235 1932 41 Ibernet, Internet Access Netw 3269 230 2967 72 TELECOM ITALIA 9121 210 1442 25 TTnet Autonomous System 3300 198 171 93 AUCS Communications Services 3246 196 258 186 Song Networks 12479 195 578 6 Uni2 Autonomous System 1257 193 1194 176 SWIPnet Swedish IP Network 3292 193 1380 177 TDC Tele Danmark LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1131 2383 216 UniNet S.A. de C.V. 11830 539 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 14522 381 33 8 SatNet S.A. 7303 377 183 58 Telecom Argentina Stet-France 11172 374 114 60 Servicios Alestra S.A de C.V 6471 357 85 38 ENTEL CHILE S.A. 22047 317 246 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 14117 285 19 15 Telefonica del Sur S.A. 10620 260 72 42 TVCABLE BOGOTA 6147 242 182 20 Telefonica Del Peru 11556 236 128 4 Cable-Wireless Panama 23216 220 17 47 RAMtelecom Telecomunicaciones 28573 212 314 27 NET Servicos de Comunicao S.A 6503 211 185 81 AVANTEL, S.A. 7738 206 538 24 Telecomunicacoes da Bahia S.A 20299 200 33 30 NEWCOM AMERICAS 21826 186 33 47 INTERCABLE 19169 183 12 19 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 388 60 43 LINKdotNET AS number 3741 281 869 226 The Internet Solution 20858 198 34 3 EgyNet 6713 143 135 11 Itissalat Al-MAGHRIB 2018 141 299 116 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 123 8 16 EEPAD TISP TELECOM & INTERNET 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 83 84 4 Nile Online 2905 76 176 73 The Internetworking Company o 23889 76 24 15 MAURITIUS TELECOM 20484 64 5 6 Yalla Online Autonomous Syste 15706 58 12 4 Sudatel Internet Exchange Aut 29571 55 11 7 Ci Telecom Autonomous system 33774 48 33 26 AS Number for Telecom Algeria 5713 46 422 36 Telkom SA Ltd 16637 42 21 29 Johnnic e-Ventures 12455 36 6 3 Jambonet Autonomous system 8524 32 2 10 AUCEGYPT Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1464 1395 Videsh Sanchar Nigam Ltd. Aut 11492 1171 1130 Cable One 18566 1032 1023 Covad Communications 4323 1367 1008 Time Warner Telecom 9498 1049 985 BHARTI BT INTERNET LTD. 6478 1124 945 AT&T Worldnet Services 8151 1131 915 UniNet S.A. de C.V. 17488 879 809 Hathway IP Over Cable Interne 4134 1102 799 CHINANET-BACKBONE 22773 819 765 Cox Communications, Inc. 9583 1089 668 Sify Limited 5668 664 647 CenturyTel Internet Holdings, 19262 812 629 Verizon Global Networks 7545 721 598 TPG Internet Pty Ltd 15270 601 560 PaeTec.net -a division of Pae 18101 611 556 Reliance Infocom Ltd Internet 6517 585 552 Yipes Communications, Inc. 11830 539 530 Instituto Costarricense de El 19916 569 522 OLM LLC 9829 530 521 BSNL National Internet Backbo List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat 64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network 65068 PRIVATE 79.171.184.0/21 43895 * 65044 PRIVATE 195.2.228.0/23 9044 SolNet Backbone 65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In 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 172.33.1.0/24 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 /11:39 /12:134 /13:270 /14:483 /15:947 /16:9726 /17:4201 /18:6777 /19:14681 /20:16839 /21:15716 /22:19903 /23:20907 /24:124578 /25:816 /26:1018 /27:536 /28:101 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1162 1171 Cable One 6478 1123 1124 AT&T Worldnet Services 18566 1014 1032 Covad Communications 2386 963 1272 AT&T Data Communications Serv 9583 933 1089 Sify Limited 7011 869 982 Citizens Utilities 4755 836 1464 Videsh Sanchar Nigam Ltd. Aut 7018 824 1500 AT&T WorldNet Services 23577 789 798 Korea Telecom (ATM-MPLS) 6197 773 1028 BellSouth Network Solutions, 9498 733 1049 BHARTI BT INTERNET LTD. 17488 694 879 Hathway IP Over Cable Interne 4766 606 816 Korea Telecom (KIX) 4323 580 1367 Time Warner Telecom 19916 564 569 OLM LLC 15270 563 601 PaeTec.net -a division of Pae 6517 541 585 Yipes Communications, Inc. 5668 522 664 CenturyTel Internet Holdings, 4668 510 520 LG-EDS Systems Inc. 18101 508 611 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:89 12:1843 13:1 15:19 16:3 17:6 18:13 20:35 24:1006 25:1 31:1 32:63 33:3 38:361 40:64 41:398 44:2 47:8 52:3 55:3 56:3 57:21 58:477 59:414 60:384 61:988 62:937 63:1981 64:3297 65:2373 66:3586 67:897 68:680 69:1993 70:465 71:105 72:1432 73:7 74:735 75:263 76:156 77:429 78:279 79:17 80:876 81:795 82:570 83:351 84:616 85:826 86:359 87:594 88:284 89:1021 90:39 91:746 92:5 96:2 97:6 98:13 116:427 117:224 118:45 121:327 122:642 123:204 124:720 125:1050 128:308 129:195 130:137 131:371 132:59 133:9 134:194 135:34 136:192 137:82 138:153 139:75 140:420 141:146 142:373 143:257 144:324 145:48 146:331 147:125 148:484 149:185 150:113 151:137 152:95 153:122 154:11 155:260 156:164 157:225 158:160 159:197 160:163 161:102 162:190 163:184 164:498 165:404 166:290 167:309 168:517 169:128 170:415 171:29 172:3 173:1 189:116 190:1218 192:5733 193:4040 194:3201 195:2329 196:927 198:3804 199:3229 200:5241 201:1276 202:7451 203:7836 204:3988 205:2003 206:2408 207:2781 208:2972 209:3582 210:2494 211:1106 212:1306 213:1540 214:424 215:44 216:4094 217:1189 218:337 219:399 220:1013 221:409 222:277 End of report