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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 14 20:03:25 CEST 2007
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 at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 15 Sep, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/09/15/0400 Analysis Summary ---------------- BGP routing table entries examined: 230723 Prefixes after maximum aggregation: 120516 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 112273 Total ASes present in the Internet Routing Table: 26196 Prefixes per ASN: 8.81 Origin-only ASes present in the Internet Routing Table: 22813 Origin ASes announcing only one prefix: 11115 Transit ASes present in the Internet Routing Table: 3383 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 20 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 17 Unregistered ASNs in the Routing Table: 10 Prefixes from 32-bit 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: 1776529760 Equivalent to 105 /8s, 227 /16s and 177 /24s Percentage of available address space announced: 47.9 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 122544 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 53768 Total APNIC prefixes after maximum aggregation: 20884 APNIC Deaggregation factor: 2.57 Prefixes being announced from the APNIC address blocks: 50695 Unique aggregates announced from the APNIC address blocks: 22534 APNIC Region origin ASes present in the Internet Routing Table: 3047 APNIC Prefixes per ASN: 16.64 APNIC Region origin ASes announcing only one prefix: 803 APNIC Region transit ASes present in the Internet Routing Table: 462 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 313705632 Equivalent to 18 /8s, 178 /16s and 196 /24s Percentage of available APNIC address space announced: 77.7 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: 108944 Total ARIN prefixes after maximum aggregation: 63047 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 80263 Unique aggregates announced from the ARIN address blocks: 31964 ARIN Region origin ASes present in the Internet Routing Table: 11828 ARIN Prefixes per ASN: 6.79 ARIN Region origin ASes announcing only one prefix: 4536 ARIN Region transit ASes present in the Internet Routing Table: 1091 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 345002880 Equivalent to 20 /8s, 144 /16s and 83 /24s Percentage of available ARIN address space announced: 76.2 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: 48429 Total RIPE prefixes after maximum aggregation: 31070 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 44838 Unique aggregates announced from the RIPE address blocks: 29638 RIPE Region origin ASes present in the Internet Routing Table: 10179 RIPE Prefixes per ASN: 4.40 RIPE Region origin ASes announcing only one prefix: 5429 RIPE Region transit ASes present in the Internet Routing Table: 1617 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 326794112 Equivalent to 19 /8s, 122 /16s and 123 /24s Percentage of available RIPE address space announced: 74.9 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, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 16828 Total LACNIC prefixes after maximum aggregation: 4469 LACNIC Deaggregation factor: 3.77 Prefixes being announced from the LACNIC address blocks: 14925 Unique aggregates announced from the LACNIC address blocks: 7943 LACNIC Region origin ASes present in the Internet Routing Table: 864 LACNIC Prefixes per ASN: 17.27 LACNIC Region origin ASes announcing only one prefix: 280 LACNIC Region transit ASes present in the Internet Routing Table: 146 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 42266112 Equivalent to 2 /8s, 132 /16s and 238 /24s Percentage of available LACNIC address space announced: 63.0 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: 2741 Total AfriNIC prefixes after maximum aggregation: 1034 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 2297 Unique aggregates announced from the AfriNIC address blocks: 1336 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 11.20 AfriNIC Region origin ASes announcing only one prefix: 67 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 7463168 Equivalent to 0 /8s, 113 /16s and 225 /24s Percentage of available AfriNIC address space announced: 22.2 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 4755 1341 383 69 Videsh Sanchar Nigam Ltd. Aut 9583 1130 81 405 Sify Limited 4134 1077 11220 293 CHINANET-BACKBONE 9498 1001 532 64 BHARTI BT INTERNET LTD. 4766 809 5441 321 Korea Telecom (KIX) 17488 806 52 58 Hathway IP Over Cable Interne 23577 788 34 683 Korea Telecom (ATM-MPLS) 7545 723 159 120 TPG Internet Pty Ltd 18101 596 119 50 Reliance Infocom Ltd Internet 4812 547 974 94 China Telecom (Shanghai) 1221 537 1950 418 Telstra Pty Ltd 4668 517 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 486 779 116 CNCGROUP IP network: China169 9443 467 122 77 Primus Telecommunications 4802 437 117 153 Wantree Development 7474 381 218 268 SingTel Optus Pty Ltd 17974 378 130 13 PT TELEKOMUNIKASI INDONESIA 9829 359 257 10 BSNL National Internet Backbo 4837 356 5104 167 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1469 6121 992 AT&T WorldNet Services 4323 1323 990 370 Time Warner Telecom 2386 1217 635 732 AT&T Data Communications Serv 11492 1146 112 17 Cable One 6478 1137 326 161 AT&T Worldnet Services 6197 1033 718 509 BellSouth Network Solutions, 18566 1024 288 9 Covad Communications 174 973 6780 859 Cogent Communications 7011 921 279 549 Citizens Utilities 701 874 6573 679 UUNET Technologies, Inc. 20115 821 753 440 Charter Communications 1239 803 2719 565 Sprint 19262 774 2745 184 Verizon Global Networks 22773 772 2149 50 Cox Communications, Inc. 209 751 3836 592 Qwest 5668 659 176 23 CenturyTel Internet Holdings, 3356 636 10817 362 Level 3 Communications, LLC 6517 590 165 35 Yipes Communications, Inc. 852 577 1096 362 Telus Advanced Communications 15270 576 160 38 PaeTec.net -a division of Pae RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 494 1923 396 UUNET - Commercial IP service 24863 367 57 40 LINKdotNET AS number 9116 351 168 26 Goldenlines main autonomous s 3301 318 1457 296 TeliaNet Sweden 3320 315 6035 262 Deutsche Telekom AG 6746 290 130 266 Dynamic Network Technologies, 680 269 2045 257 DFN-IP service G-WiN 8551 264 252 37 Bezeq International 8708 262 420 241 Romania Data Systems S.A. 3215 258 2424 98 France Telecom Transpac 8220 256 444 239 COLT Telecommunications 3352 229 1866 39 Ibernet, Internet Access Netw 5089 224 1658 54 NTL Group Limited 3269 223 2839 73 TELECOM ITALIA 9121 214 1441 24 TTnet Autonomous System 3292 197 1380 177 TDC Tele Danmark 3300 194 172 95 AUCS Communications Services 12479 194 578 6 Uni2 Autonomous System 1257 192 1195 170 SWIPnet Swedish IP Network 3246 186 253 176 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 902 1974 206 UniNet S.A. de C.V. 11830 514 299 9 Instituto Costarricense de El 16814 426 26 9 NSS, S.A. 11172 374 114 60 Servicios Alestra S.A de C.V 7303 350 166 52 Telecom Argentina Stet-France 6471 329 75 33 ENTEL CHILE S.A. 14522 329 28 7 SatNet S.A. 22047 317 246 13 VTR PUNTO NET S.A. 14117 284 19 15 Telefonica del Sur S.A. 10481 278 104 9 Prima S.A. 11664 276 30 13 Keytech SA 10620 235 65 22 TVCABLE BOGOTA 11556 235 128 3 Cable-Wireless Panama 6147 228 178 24 Telefonica Del Peru 6503 201 170 82 AVANTEL, S.A. 23216 197 17 46 RAMtelecom Telecomunicaciones 20299 180 25 31 NEWCOM AMERICAS 8163 177 11 6 METROTEL REDES S.A. 19169 171 12 18 Telconet 21826 171 30 58 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 285 870 226 The Internet Solution 8452 219 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 140 301 115 Tertiary Education Network 33783 125 8 12 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 100 6 3 Starcomms Nigeria Limited 24835 87 48 6 RAYA Telecom - Egypt 15475 76 84 4 Nile Online 2905 75 174 72 The Internetworking Company o 23889 69 24 15 MAURITIUS TELECOM 2561 62 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 33774 47 29 25 AS Number for Telecom Algeria 5713 46 294 36 Telkom SA Ltd 16637 42 21 29 Johnnic e-Ventures 8524 30 2 13 AUCEGYPT Autonomous System 21280 29 4 4 Swift Global Kenya Ltd.Is an 12455 28 6 3 Jambonet Autonomous system 10798 27 16 1 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1341 1272 Videsh Sanchar Nigam Ltd. Aut 11492 1146 1129 Cable One 18566 1024 1015 Covad Communications 6478 1137 976 AT&T Worldnet Services 4323 1323 953 Time Warner Telecom 9498 1001 937 BHARTI BT INTERNET LTD. 4134 1077 784 CHINANET-BACKBONE 17488 806 748 Hathway IP Over Cable Interne 9583 1130 725 Sify Limited 22773 772 722 Cox Communications, Inc. 8151 902 696 UniNet S.A. de C.V. 5668 659 636 CenturyTel Internet Holdings, 7545 723 603 TPG Internet Pty Ltd 19262 774 590 Verizon Global Networks 6517 590 555 Yipes Communications, Inc. 18101 596 546 Reliance Infocom Ltd Internet 15270 576 538 PaeTec.net -a division of Pae 6197 1033 524 BellSouth Network Solutions, 19916 568 517 OLM LLC 4668 517 507 LG-EDS Systems Inc. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 43460 UNALLOCATED 77.75.64.0/24 39180 SARL MWSP 43200 UNALLOCATED 81.26.32.0/19 15659 NEXTGENTEL Autonomou 43200 UNALLOCATED 85.89.192.0/19 15659 NEXTGENTEL Autonomou 43408 UNALLOCATED 87.238.207.0/24 31742 Sotaconnect UK 42789 UNALLOCATED 91.150.224.0/19 16095 Jay.net autonomous S 43618 UNALLOCATED 91.195.74.0/23 43576 LTD "KuMIR TELECOM" 64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa 42789 UNALLOCATED 193.33.190.0/23 16095 Jay.net autonomous S 43200 UNALLOCATED 193.161.232.0/22 15659 NEXTGENTEL Autonomou 43200 UNALLOCATED 193.161.252.0/24 15659 NEXTGENTEL Autonomou 43311 UNALLOCATED 195.248.250.0/23 174 Cogent Communication 64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 7.1.1.0/24 1239 Sprint 101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous 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 /8:19 /9:9 /10:15 /11:37 /12:135 /13:262 /14:471 /15:922 /16:9614 /17:4075 /18:6622 /19:13957 /20:16253 /21:14957 /22:19245 /23:20167 /24:121574 /25:760 /26:1020 /27:514 /28:82 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1138 1146 Cable One 6478 1136 1137 AT&T Worldnet Services 18566 1006 1024 Covad Communications 9583 972 1130 Sify Limited 2386 909 1217 AT&T Data Communications Serv 7018 820 1469 AT&T WorldNet Services 7011 813 921 Citizens Utilities 6197 786 1033 BellSouth Network Solutions, 23577 779 788 Korea Telecom (ATM-MPLS) 4755 749 1341 Videsh Sanchar Nigam Ltd. Aut 9498 673 1001 BHARTI BT INTERNET LTD. 17488 629 806 Hathway IP Over Cable Interne 4766 607 809 Korea Telecom (KIX) 19916 563 568 OLM LLC 6517 555 590 Yipes Communications, Inc. 4323 554 1323 Time Warner Telecom 15270 540 576 PaeTec.net -a division of Pae 5668 524 659 CenturyTel Internet Holdings, 4668 507 517 LG-EDS Systems Inc. 18101 502 596 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:80 12:1804 13:1 15:20 16:3 17:3 18:13 20:36 24:966 25:1 32:60 33:3 38:348 40:60 41:321 44:2 47:4 52:4 55:3 56:3 57:24 58:473 59:406 60:369 61:993 62:920 63:2016 64:3199 65:2388 66:3408 67:800 68:661 69:1975 70:447 71:105 72:1399 73:4 74:652 75:259 76:125 77:348 78:156 80:830 81:831 82:586 83:361 84:621 85:816 86:343 87:517 88:279 89:978 90:24 91:548 96:1 97:6 98:2 101:1 116:322 117:172 118:19 121:289 122:606 123:176 124:663 125:988 128:271 129:212 130:139 131:361 132:55 133:9 134:197 135:34 136:188 137:82 138:154 139:74 140:505 141:174 142:384 143:255 144:304 145:46 146:331 147:125 148:414 149:148 150:111 151:159 152:87 153:119 154:3 155:259 156:161 157:218 158:158 159:173 160:120 161:95 162:175 163:182 164:485 165:396 166:284 167:298 168:516 169:122 170:388 171:22 172:2 189:74 190:1104 192:5703 193:3993 194:3198 195:2281 196:971 198:3820 199:3216 200:5283 201:1195 202:7364 203:7709 204:3905 205:1973 206:2416 207:2847 208:2843 209:3463 210:2470 211:1088 212:1313 213:1473 214:420 215:44 216:3983 217:1198 218:323 219:372 220:1011 221:413 222:263 End of report
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