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 28 Apr, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/04/28/0400 Analysis Summary ---------------- BGP routing table entries examined: 218834 Prefixes after maximum aggregation: 116811 Deaggregation factor: 1.87 Unique aggregates announced to Internet: 105229 Total ASes present in the Internet Routing Table: 25059 Prefixes per ASN: 8.73 Origin-only ASes present in the Internet Routing Table: 21826 Origin ASes announcing only one prefix: 10560 Transit ASes present in the Internet Routing Table: 3233 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: 21 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 6 Unregistered ASNs in the Routing Table: 9 Prefixes from 32-bit ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1715485440 Equivalent to 102 /8s, 64 /16s and 59 /24s Percentage of available address space announced: 46.3 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 114380 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 50420 Total APNIC prefixes after maximum aggregation: 20184 APNIC Deaggregation factor: 2.50 Prefixes being announced from the APNIC address blocks: 47450 Unique aggregates announced from the APNIC address blocks: 21161 APNIC Region origin ASes present in the Internet Routing Table: 2928 APNIC Prefixes per ASN: 16.21 APNIC Region origin ASes announcing only one prefix: 789 APNIC Region transit ASes present in the Internet Routing Table: 438 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 292353792 Equivalent to 17 /8s, 108 /16s and 247 /24s Percentage of available APNIC address space announced: 72.4 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, 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: 106000 Total ARIN prefixes after maximum aggregation: 61920 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78037 Unique aggregates announced from the ARIN address blocks: 30375 ARIN Region origin ASes present in the Internet Routing Table: 11529 ARIN Prefixes per ASN: 6.77 ARIN Region origin ASes announcing only one prefix: 4410 ARIN Region transit ASes present in the Internet Routing Table: 1049 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 330775936 Equivalent to 19 /8s, 183 /16s and 61 /24s Percentage of available ARIN address space announced: 73.0 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: 45128 Total RIPE prefixes after maximum aggregation: 29559 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 41696 Unique aggregates announced from the RIPE address blocks: 26835 RIPE Region origin ASes present in the Internet Routing Table: 9547 RIPE Prefixes per ASN: 4.37 RIPE Region origin ASes announcing only one prefix: 5049 RIPE Region transit ASes present in the Internet Routing Table: 1539 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 305726848 Equivalent to 18 /8s, 57 /16s and 5 /24s Percentage of available RIPE address space announced: 75.9 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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 14713 Total LACNIC prefixes after maximum aggregation: 4138 LACNIC Deaggregation factor: 3.56 Prefixes being announced from the LACNIC address blocks: 12807 Unique aggregates announced from the LACNIC address blocks: 7113 LACNIC Region origin ASes present in the Internet Routing Table: 784 LACNIC Prefixes per ASN: 16.34 LACNIC Region origin ASes announcing only one prefix: 254 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 38364416 Equivalent to 2 /8s, 73 /16s and 101 /24s Percentage of available LACNIC address space announced: 57.2 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 2565 Total AfriNIC prefixes after maximum aggregation: 1004 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 1943 Unique aggregates announced from the AfriNIC address blocks: 1182 AfriNIC Region origin ASes present in the Internet Routing Table: 189 AfriNIC Prefixes per ASN: 10.28 AfriNIC Region origin ASes announcing only one prefix: 58 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6062592 Equivalent to 0 /8s, 92 /16s and 130 /24s Percentage of available AfriNIC address space announced: 18.1 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 4134 1278 9505 271 CHINANET-BACKBONE 4755 1202 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1099 79 381 Sify Limited 9498 973 469 74 BHARTI BT INTERNET LTD. 4766 782 4943 312 Korea Telecom (KIX) 23577 779 35 708 Korea Telecom (ATM-MPLS) 17488 666 43 36 Hathway IP Over Cable Interne 7545 627 142 81 TPG Internet Pty Ltd 1221 545 1954 424 Telstra Pty Ltd 18101 530 116 27 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 464 811 75 China Telecom (Shanghai) 9443 458 115 74 Primus Telecommunications 7474 406 217 270 SingTel Optus Pty Ltd 17557 359 35 171 Pakistan Telecom 4802 358 86 147 Wantree Development 9829 358 274 14 BSNL National Internet Backbo 17974 346 129 12 PT TELEKOMUNIKASI INDONESIA 4837 344 4724 158 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1490 6126 990 AT&T WorldNet Services 4323 1266 1022 360 Time Warner Telecom 2386 1137 566 757 AT&T Data Communications Serv 6478 1089 336 149 AT&T Worldnet Services 11492 1045 103 21 Cable One 6197 1035 687 502 BellSouth Network Solutions, 18566 1001 288 9 Covad Communications 174 957 6793 870 Cogent Communications 701 937 6660 730 UUNET Technologies, Inc. 20115 822 734 426 Charter Communications 1239 820 2717 577 Sprint 7011 787 226 469 Citizens Utilities 209 728 3749 583 Qwest 19262 725 2587 174 Verizon Global Networks 22773 707 1871 40 Cox Communications, Inc. 721 616 21756 273 DLA Systems Automation Center 5668 595 160 17 CenturyTel Internet Holdings, 852 594 1097 376 Telus Advanced Communications 7029 576 456 81 Alltel Information Services, 855 568 253 71 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 520 1941 414 UUNET - Commercial IP service 24863 343 47 31 LINKdotNET AS number 3301 309 1455 289 TeliaNet Sweden 3320 302 4993 250 Deutsche Telekom AG 6746 275 127 252 Dynamic Network Technologies, 8220 260 461 251 COLT Telecommunications 680 257 2044 250 DFN-IP service G-WiN 3215 240 2256 92 France Telecom Transpac 8708 236 287 229 Romania Data Systems S.A. 3269 214 2583 72 TELECOM ITALIA 3246 206 339 196 Song Networks 8551 206 196 30 Bezeq International 3352 201 1799 33 Ibernet, Internet Access Netw 20858 196 34 4 EgyNet 1257 190 1180 168 SWIPnet Swedish IP Network 30890 189 15 94 SC Kappa Invexim SRL 9116 188 134 24 Goldenlines main autonomous s 12479 185 578 6 Uni2 Autonomous System 3300 183 171 88 AUCS Communications Services 786 177 1795 177 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1098 1857 211 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 364 116 64 Servicios Alestra S.A de C.V 16814 362 22 8 NSS, S.A. 22047 311 238 12 VTR PUNTO NET S.A. 7303 273 143 30 Telecom Argentina Stet-France 6471 259 74 31 ENTEL CHILE S.A. 14117 242 17 14 Telefonica del Sur S.A. 11556 235 128 3 Cable-Wireless Panama 6147 220 164 24 Telefonica Del Peru 6503 215 172 86 AVANTEL, S.A. 20299 192 23 14 NEWCOM AMERICAS 10620 185 53 23 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 23216 157 19 42 RAMtelecom Telecomunicaciones 21826 155 27 59 INTERCABLE 7910 154 11 29 ANDINET ON LINE 19429 148 92 39 E.T.B. 14522 146 22 5 SatNet S.A. 19169 142 9 27 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 291 868 232 The Internet Solution 8452 225 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 137 309 112 Tertiary Education Network 15475 129 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 116 7 9 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 76 174 68 The Internetworking Company o 2561 61 6 2 Egyptian Universities Network 15706 50 12 4 Sudatel Internet Exchange Aut 23889 49 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 43 13 24 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 8524 30 2 6 AUCEGYPT Autonomous System 33776 30 2 7 Starcomms Nigeria Limited 33766 29 2 1 Nyala Communications Pty Ltd 21280 27 4 4 Swift Global Kenya Ltd.Is an 10798 24 2 15 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1202 1130 Videsh Sanchar Nigam Ltd. Aut 11492 1045 1024 Cable One 4134 1278 1007 CHINANET-BACKBONE 18566 1001 992 Covad Communications 6478 1089 940 AT&T Worldnet Services 4323 1266 906 Time Warner Telecom 9498 973 899 BHARTI BT INTERNET LTD. 8151 1098 887 UniNet S.A. de C.V. 9583 1099 718 Sify Limited 22773 707 667 Cox Communications, Inc. 17488 666 630 Hathway IP Over Cable Interne 5668 595 578 CenturyTel Internet Holdings, 19262 725 551 Verizon Global Networks 7545 627 546 TPG Internet Pty Ltd 6197 1035 533 BellSouth Network Solutions, 19916 568 517 OLM LLC 18101 530 503 Reliance Infocom Ltd Internet 855 568 497 Canadian Research Network 4668 507 497 LG-EDS Systems Inc. 7029 576 495 Alltel Information Services, List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 64982 PRIVATE 89.207.224.0/24 36385 Google Incorporated 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi 7.1.1.0/24 1239 Sprint 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 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 /8:20 /9:9 /10:13 /11:34 /12:122 /13:238 /14:448 /15:859 /16:9374 /17:3832 /18:6334 /19:13423 /20:15231 /21:13770 /22:17794 /23:19182 /24:116001 /25:768 /26:823 /27:483 /28:61 /29:6 /30:1 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1080 1089 AT&T Worldnet Services 11492 1031 1045 Cable One 18566 983 1001 Covad Communications 9583 937 1099 Sify Limited 2386 832 1137 AT&T Data Communications Serv 7018 807 1490 AT&T WorldNet Services 6197 796 1035 BellSouth Network Solutions, 23577 765 779 Korea Telecom (ATM-MPLS) 7011 690 787 Citizens Utilities 9498 636 973 BHARTI BT INTERNET LTD. 4755 596 1202 Videsh Sanchar Nigam Ltd. Aut 4766 588 782 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 529 1266 Time Warner Telecom 4668 496 507 LG-EDS Systems Inc. 15270 494 527 PaeTec.net -a division of Pae 17488 487 666 Hathway IP Over Cable Interne 8151 476 1098 UniNet S.A. de C.V. 855 466 568 Canadian Research Network 5668 460 595 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:9 7:1 8:78 9:1 12:1804 15:19 16:3 17:3 18:8 20:37 24:929 25:1 32:53 38:299 40:57 41:125 44:2 47:4 52:4 55:2 56:3 57:26 58:377 59:370 60:268 61:923 62:965 63:1956 64:3097 65:2337 66:3245 67:804 68:639 69:1824 70:504 71:104 72:1276 73:1 74:406 75:257 76:38 77:180 80:861 81:804 82:597 83:372 84:430 85:744 86:365 87:463 88:254 89:852 90:24 91:269 97:6 116:42 121:176 122:522 123:85 124:794 125:932 128:273 129:218 130:121 131:349 132:52 133:10 134:171 135:39 136:180 137:77 138:194 139:64 140:480 141:168 142:363 143:211 144:290 145:43 146:323 147:146 148:398 149:143 150:115 151:145 152:92 153:120 154:4 155:253 156:154 157:183 158:161 159:155 160:104 161:89 162:234 163:146 164:452 165:408 166:234 167:279 168:489 169:120 170:399 171:15 172:1 189:312 190:591 192:5763 193:3791 194:3086 195:2207 196:945 198:3756 199:3295 200:4712 201:957 202:7213 203:7439 204:3945 205:2099 206:2366 207:2903 208:2631 209:3620 210:2468 211:937 212:1302 213:1457 214:406 215:41 216:4012 217:1132 218:353 219:358 220:941 221:396 222:270 End of report