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 10 Mar, 2007 Analysis Summary ---------------- BGP routing table entries examined: 214049 Prefixes after maximum aggregation: 114981 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 104232 Total ASes present in the Internet Routing Table: 24567 Origin-only ASes present in the Internet Routing Table: 21391 Origin ASes announcing only one prefix: 10326 Transit ASes present in the Internet Routing Table: 3176 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (35816) 23 Prefixes from unregistered ASNs in the Routing Table: 5 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1685938700 Equivalent to 100 /8s, 125 /16s and 98 /24s Percentage of available address space announced: 45.5 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 110890 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 48817 Total APNIC prefixes after maximum aggregation: 19649 APNIC Deaggregation factor: 2.48 Prefixes being announced from the APNIC address blocks: 45908 Unique aggregates announced from the APNIC address blocks: 20798 APNIC Region origin ASes present in the Internet Routing Table: 2888 APNIC Region origin ASes announcing only one prefix: 777 APNIC Region transit ASes present in the Internet Routing Table: 424 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 286620800 Equivalent to 17 /8s, 21 /16s and 124 /24s Percentage of available APNIC address space announced: 71.0 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: 104481 Total ARIN prefixes after maximum aggregation: 61409 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76505 Unique aggregates announced from the ARIN address blocks: 29663 ARIN Region origin ASes present in the Internet Routing Table: 11386 ARIN Region origin ASes announcing only one prefix: 4353 ARIN Region transit ASes present in the Internet Routing Table: 1045 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 320403072 Equivalent to 19 /8s, 24 /16s and 246 /24s Percentage of available ARIN address space announced: 70.7 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: 44348 Total RIPE prefixes after maximum aggregation: 28880 RIPE Deaggregation factor: 1.54 Prefixes being announced from the RIPE address blocks: 41045 Unique aggregates announced from the RIPE address blocks: 27236 RIPE Region origin ASes present in the Internet Routing Table: 9273 RIPE Region origin ASes announcing only one prefix: 4887 RIPE Region transit ASes present in the Internet Routing Table: 1504 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 294072324 Equivalent to 17 /8s, 135 /16s and 48 /24s Percentage of available RIPE address space announced: 79.7 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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 13836 Total LACNIC prefixes after maximum aggregation: 4072 LACNIC Deaggregation factor: 3.40 Prefixes being announced from the LACNIC address blocks: 11897 Unique aggregates announced from the LACNIC address blocks: 6823 LACNIC Region origin ASes present in the Internet Routing Table: 764 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37337600 Equivalent to 2 /8s, 57 /16s and 186 /24s Percentage of available LACNIC address space announced: 55.6 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: 2562 Total AfriNIC prefixes after maximum aggregation: 969 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 1864 Unique aggregates announced from the AfriNIC address blocks: 1165 AfriNIC Region origin ASes present in the Internet Routing Table: 182 AfriNIC Region origin ASes announcing only one prefix: 59 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5419776 Equivalent to 0 /8s, 82 /16s and 179 /24s Percentage of available AfriNIC address space announced: 16.2 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 1285 9138 280 CHINANET-BACKBONE 4755 1148 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1079 78 365 Sify Limited 9498 958 468 67 BHARTI BT INTERNET LTD. 23577 776 35 705 Korea Telecom (ATM-MPLS) 4766 770 4943 311 Korea Telecom (KIX) 17488 612 40 28 Hathway IP Over Cable Interne 7545 595 142 77 TPG Internet Pty Ltd 1221 576 1957 450 Telstra Pty Ltd 18101 530 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4668 454 68 10 LG-EDS Systems Inc. 9443 454 111 74 Primus Telecommunications 4812 442 786 70 China Telecom (Shanghai) 7474 382 216 261 SingTel Optus Pty Ltd 4802 360 86 149 Wantree Development 17557 351 34 172 Pakistan Telecom 4837 341 4388 152 chinanet IDC center beijing n 17974 337 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1733 309 SINET Japan ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1502 6126 986 AT&T WorldNet Services 4323 1333 1005 353 Time Warner Telecom 6478 1130 433 189 AT&T Worldnet Services 2386 1094 566 738 AT&T Data Communications Serv 6197 1030 675 498 BellSouth Network Solutions, 18566 996 288 9 Covad Communications 11492 992 101 21 Cable One 701 941 6697 746 UUNET Technologies, Inc. 174 939 6792 863 Cogent Communications 1239 820 2716 575 Sprint 20115 803 710 419 Charter Communications 7011 774 226 463 Citizens Utilities 19262 756 2608 179 Verizon Global Networks 22773 732 1872 41 Cox Communications, Inc. 209 714 3745 568 Qwest 721 627 21772 275 DLA Systems Automation Center 852 592 1088 378 Telus Advanced Communications 5668 572 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 565 250 71 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 539 1879 417 UUNET - Commercial IP service 24863 333 46 27 LINKdotNET AS number 3301 311 1200 290 TeliaNet Sweden 3320 299 4994 250 Deutsche Telekom AG 8220 272 469 262 COLT Telecommunications 6746 269 95 248 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 5416 253 16 12 BATELCO-BH 3215 236 2216 95 France Telecom Transpac 8708 235 284 228 Romania Data Systems S.A. 1257 224 1180 171 SWIPnet Swedish IP Network 3269 217 2519 75 TELECOM ITALIA 3246 206 355 196 Song Networks 30890 205 17 95 SC Kappa Invexim SRL 8551 203 196 28 Bezeq International 20858 198 34 3 EgyNet 3352 190 1783 33 Ibernet, Internet Access Netw 3300 185 171 90 AUCS Communications Services 12479 179 578 6 Uni2 Autonomous System 786 174 1795 174 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1072 2036 209 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 349 109 85 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 255 74 30 ENTEL CHILE S.A. 7303 255 142 23 Telecom Argentina Stet-France 14117 239 16 13 Telefonica del Sur S.A. 11556 237 128 4 Cable-Wireless Panama 6147 230 182 20 Telefonica Del Peru 6503 206 171 78 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 20299 173 25 23 NEWCOM AMERICAS 21826 161 29 57 INTERCABLE 23216 154 19 42 RAMtelecom Telecomunicaciones 7910 151 10 40 ANDINET ON LINE 18822 145 9 10 TELEFONICA MANQUEHUE 10620 137 42 16 TVCABLE BOGOTA 19169 126 8 38 Telconet 6505 116 89 81 Global One Communicaoes Ltda AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 219 60 6 TEDATA 15475 159 84 4 Nile Online 6713 143 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 33783 110 6 5 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2905 85 176 74 The Internetworking Company o 2561 64 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 49 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 37 10 23 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited 12455 26 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1148 1071 Videsh Sanchar Nigam Ltd. Aut 4134 1285 1005 CHINANET-BACKBONE 18566 996 987 Covad Communications 4323 1333 980 Time Warner Telecom 11492 992 971 Cable One 6478 1130 941 AT&T Worldnet Services 9498 958 891 BHARTI BT INTERNET LTD. 8151 1072 863 UniNet S.A. de C.V. 9583 1079 714 Sify Limited 22773 732 691 Cox Communications, Inc. 17488 612 584 Hathway IP Over Cable Interne 19262 756 577 Verizon Global Networks 5668 572 556 CenturyTel Internet Holdings, 6197 1030 532 BellSouth Network Solutions, 7545 595 518 TPG Internet Pty Ltd 19916 568 514 OLM LLC 18101 530 507 Reliance Infocom Ltd Internet 855 565 494 Canadian Research Network 15270 510 476 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65025 PRIVATE 91.135.111.0/24 16116 AS for GO Next. 64515 PRIVATE 195.47.27.0/24 6721 The Terminal Bar: In 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 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 /8:19 /9:9 /10:12 /11:33 /12:119 /13:229 /14:438 /15:839 /16:9282 /17:3774 /18:6187 /19:13268 /20:14896 /21:13423 /22:17371 /23:18727 /24:113409 /25:745 /26:576 /27:444 /28:68 /29:42 /30:98 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1084 1130 AT&T Worldnet Services 11492 978 992 Cable One 18566 978 996 Covad Communications 9583 920 1079 Sify Limited 7018 817 1502 AT&T WorldNet Services 2386 816 1094 AT&T Data Communications Serv 6197 799 1030 BellSouth Network Solutions, 23577 762 776 Korea Telecom (ATM-MPLS) 7011 675 774 Citizens Utilities 9498 628 958 BHARTI BT INTERNET LTD. 4766 578 770 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 549 1148 Videsh Sanchar Nigam Ltd. Aut 4323 530 1333 Time Warner Telecom 15270 478 510 PaeTec.net -a division of Pae 855 463 565 Canadian Research Network 18101 460 530 Reliance Infocom Ltd Internet 4668 445 454 LG-EDS Systems Inc. 5668 444 572 CenturyTel Internet Holdings, 17488 434 612 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:65 9:1 12:1800 15:17 16:3 17:3 18:5 20:35 24:904 25:1 32:53 38:286 40:56 41:104 44:2 47:7 52:4 55:1 56:3 57:25 58:325 59:349 60:220 61:919 62:1041 63:1899 64:3034 65:2315 66:3165 67:746 68:652 69:1782 70:473 71:97 72:1226 73:1 74:245 75:82 76:10 77:90 80:840 81:780 82:662 83:362 84:502 85:749 86:440 87:492 88:245 89:824 90:18 91:217 97:1 121:141 122:346 123:55 124:768 125:811 128:278 129:238 130:125 131:348 132:49 133:10 134:188 135:36 136:181 137:86 138:194 139:56 140:472 141:142 142:371 143:212 144:270 145:43 146:320 147:145 148:381 149:185 150:116 151:118 152:94 153:118 154:5 155:246 156:155 157:172 158:169 159:150 160:104 161:91 162:232 163:174 164:452 165:385 166:239 167:283 168:514 169:120 170:389 171:15 172:1 189:239 190:364 192:5733 193:3730 194:3017 195:2182 196:917 198:3738 199:3282 200:4512 201:919 202:7186 203:7377 204:3960 205:2091 206:2445 207:2870 208:2471 209:3593 210:2392 211:936 212:1300 213:1415 214:409 215:39 216:4023 217:1157 218:351 219:274 220:871 221:371 222:264 End of report Report Website: http://thyme.apnic.net