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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Feb 17 19:07:07 CET 2006
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 If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 18 Feb, 2006 Analysis Summary ---------------- BGP routing table entries examined: 181818 Prefixes after maximum aggregation: 101253 Unique aggregates announced to Internet: 88390 Total ASes present in the Internet Routing Table: 21539 Origin-only ASes present in the Internet Routing Table: 18718 Origin ASes announcing only one prefix: 8901 Transit ASes present in the Internet Routing Table: 2821 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1497414880 Equivalent to 89 /8s, 64 /16s and 188 /24s Percentage of available address space announced: 40.4 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88714 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 38138 Total APNIC prefixes after maximum aggregation: 16214 Prefixes being announced from the APNIC address blocks: 35865 Unique aggregates announced from the APNIC address blocks: 17515 APNIC Region origin ASes present in the Internet Routing Table: 2471 APNIC Region origin ASes announcing only one prefix: 682 APNIC Region transit ASes present in the Internet Routing Table: 380 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 213143264 Equivalent to 12 /8s, 180 /16s and 78 /24s Percentage of available APNIC address space announced: 66.6 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, 121/8, 122/7, 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: 95582 Total ARIN prefixes after maximum aggregation: 56516 Prefixes being announced from the ARIN address blocks: 74869 Unique aggregates announced from the ARIN address blocks: 28469 ARIN Region origin ASes present in the Internet Routing Table: 10520 ARIN Region origin ASes announcing only one prefix: 3939 ARIN Region transit ASes present in the Internet Routing Table: 964 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 287630592 Equivalent to 17 /8s, 36 /16s and 229 /24s Percentage of available ARIN address space announced: 71.4 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 35923 Total RIPE prefixes after maximum aggregation: 24185 Prefixes being announced from the RIPE address blocks: 32944 Unique aggregates announced from the RIPE address blocks: 22224 RIPE Region origin ASes present in the Internet Routing Table: 7661 RIPE Region origin ASes announcing only one prefix: 4015 RIPE Region transit ASes present in the Internet Routing Table: 1289 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 236823424 Equivalent to 14 /8s, 29 /16s and 163 /24s Percentage of available RIPE address space announced: 70.6 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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 10234 Total LACNIC prefixes after maximum aggregation: 3455 Prefixes being announced from the LACNIC address blocks: 8426 Unique aggregates announced from the LACNIC address blocks: 4988 LACNIC Region origin ASes present in the Internet Routing Table: 674 LACNIC Region origin ASes announcing only one prefix: 222 LACNIC Region transit ASes present in the Internet Routing Table: 120 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 25451008 Equivalent to 1 /8s, 132 /16s and 90 /24s Percentage of available LACNIC address space announced: 37.9 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: 1928 Total AfriNIC prefixes after maximum aggregation: 883 Prefixes being announced from the AfriNIC address blocks: 1293 Unique aggregates announced from the AfriNIC address blocks: 886 AfriNIC Region origin ASes present in the Internet Routing Table: 147 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3779584 Equivalent to 0 /8s, 57 /16s and 172 /24s Percentage of available AfriNIC address space announced: 11.3 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 996 6480 204 CHINANET-BACKBONE 9583 852 109 15 Sify Limited 4766 701 3927 301 Korea Telecom (KIX) 4755 665 255 61 Videsh Sanchar Nigam Ltd. Aut 1221 652 1428 468 Telstra Pty Ltd 9498 535 211 73 BHARTI BT INTERNET LTD. 7545 517 108 70 TPG Internet Pty Ltd 17488 515 31 7 Hathway IP Over Cable Interne 17676 480 6949 104 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 367 75 159 Wantree Development 2907 341 1763 318 SINET Japan 9929 331 218 50 China Netcom Corp. 18101 326 68 26 Reliance Infocom Ltd Internet 17974 321 77 38 PT TELEKOMUNIKASI INDONESIA 17557 316 25 162 Pakistan Telecom 7474 298 211 230 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd 9800 260 410 67 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1467 6263 948 AT&T WorldNet Services 4323 1208 711 235 Time Warner Telecom 721 993 21921 302 DLA Systems Automation Center 174 986 5787 928 Cogent Communications 6197 985 458 511 BellSouth Network Solutions, 701 957 8065 792 UUNET Technologies, Inc. 18566 909 272 8 Covad Communications 2386 888 505 664 AT&T Data Communications Serv 1239 847 2790 607 Sprint 19029 701 152 115 New Edge Networks 209 693 3607 542 Qwest 20115 664 582 356 Charter Communications 6198 652 449 238 BellSouth Network Solutions, 22773 632 1480 40 Cox Communications, Inc. 11492 628 81 12 Cable One 19262 628 1831 156 Verizon Global Networks 852 572 1088 380 Telus Advanced Communications 855 571 244 64 Canadian Research Network 19916 563 49 54 OLM LLC 3602 522 127 106 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 586 1952 462 UUNET - Commercial IP service 3301 305 1071 290 TeliaNet Sweden 3352 303 1500 30 Ibernet, Internet Access Netw 3320 281 3477 235 Deutsche Telekom AG 8220 274 474 268 COLT Telecommunications 680 243 2025 240 DFN-IP service G-WiN 3246 229 487 219 Song Networks 6746 224 86 196 Dynamic Network Technologies, 8708 223 274 206 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 8551 187 181 25 Bezeq International 3269 186 1925 70 TELECOM ITALIA 5515 176 839 124 Sonera Solution Autonomous Sy 3215 174 1438 85 France Telecom Transpac 786 173 1794 173 The JANET IP Service 8866 171 37 12 Bulgarian Telecommunication C 24863 169 38 9 LINKdotNET AS number 3300 166 171 94 AUCS Communications Services 5400 166 328 135 BT Ignite European Backbone 6830 163 733 34 UPC Distribution Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 578 1051 219 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 303 110 77 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 157 74 18 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 21826 116 15 19 INTERCABLE 6503 114 149 81 AVANTEL, S.A. 5639 113 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 23216 105 23 10 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 25620 99 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 14522 96 12 8 SatNet S.A. 11311 95 8 23 Sinectis S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 164 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 6713 105 103 12 Itissalat Al-MAGHRIB 15475 103 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 24835 60 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 12455 27 6 3 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 15804 17 2 1 AS of The Way Out Internet So 15808 17 2 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1208 973 Time Warner Telecom 18566 909 901 Covad Communications 9583 852 837 Sify Limited 4134 996 792 CHINANET-BACKBONE 721 993 691 DLA Systems Automation Center 11492 628 616 Cable One 4755 665 604 Videsh Sanchar Nigam Ltd. Aut 22773 632 592 Cox Communications, Inc. 19029 701 586 New Edge Networks 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 855 571 507 Canadian Research Network 5668 517 492 CenturyTel Internet Holdings, 6197 985 474 BellSouth Network Solutions, 19262 628 472 Verizon Global Networks 9498 535 462 BHARTI BT INTERNET LTD. 7545 517 447 TPG Internet Pty Ltd 7757 462 443 AT&T Broadband 3602 522 416 Sprint Canada, Inc. 6198 652 414 BellSouth Network Solutions, List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 33364 UNALLOCATED 65.111.76.0/24 7018 AT&T WorldNet Servic 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65202 PRIVATE 195.47.234.0/24 23649 New Skies Satellites 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65518 PRIVATE 211.144.192.0/19 24421 * 64512 PRIVATE 218.108.0.0/16 24139 HANGZHOU DIGITAL TV 64512 PRIVATE 218.109.0.0/16 24139 HANGZHOU DIGITAL TV Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 192.43.230.0/24 7575 Australian Academic and Rease 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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 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 /10:8 /11:23 /12:87 /13:200 /14:350 /15:695 /16:8716 /17:3081 /18:5100 /19:11307 /20:12612 /21:10851 /22:13891 /23:15052 /24:98843 /25:353 /26:264 /27:201 /28:58 /29:24 /30:32 /31:3 /32:40 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 892 909 Covad Communications 6197 789 985 BellSouth Network Solutions, 7018 750 1467 AT&T WorldNet Services 9583 672 852 Sify Limited 19029 623 701 New Edge Networks 11492 620 628 Cable One 2386 617 888 AT&T Data Communications Serv 4323 584 1208 Time Warner Telecom 19916 557 563 OLM LLC 6198 517 652 BellSouth Network Solutions, 4766 506 701 Korea Telecom (KIX) 7011 446 516 Citizens Utilities 7757 444 462 AT&T Broadband 855 443 571 Canadian Research Network 5668 402 517 CenturyTel Internet Holdings, 702 371 586 UUNET - Commercial IP service 1239 368 847 Sprint 15270 348 378 PaeTec.net -a division of Pae 6517 340 369 Yipes Communications, Inc. 22773 331 632 Cox Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:40 12:1634 13:1 15:12 16:3 17:3 18:4 20:44 24:859 25:1 30:2 32:67 38:196 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:119 59:163 60:181 61:803 62:762 63:1903 64:3003 65:2240 66:3053 67:594 68:675 69:1433 70:310 71:50 72:618 73:23 74:6 80:750 81:584 82:516 83:370 84:347 85:444 86:312 87:169 88:22 89:31 124:19 125:267 128:152 129:174 130:106 131:313 132:32 133:7 134:146 135:47 136:168 137:60 138:191 139:87 140:475 141:133 142:413 143:144 144:223 145:38 146:304 147:133 148:327 149:185 150:113 151:75 152:61 153:103 154:6 155:184 156:96 157:123 158:158 159:180 160:87 161:68 162:220 163:143 164:167 165:201 166:147 167:235 168:470 169:140 170:321 171:12 172:1 190:30 192:5745 193:3392 194:2511 195:1774 196:762 198:3895 199:3240 200:4169 201:603 202:6425 203:6754 204:3885 205:2092 206:2410 207:2911 208:1992 209:3759 210:1944 211:823 212:1271 213:1474 214:332 215:41 216:4005 217:1172 218:239 219:145 220:642 221:346 222:154 End of report
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