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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Jan 27 19:06:57 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 28 Jan, 2006 Analysis Summary ---------------- BGP routing table entries examined: 180021 Prefixes after maximum aggregation: 100565 Unique aggregates announced to Internet: 87510 Total ASes present in the Internet Routing Table: 21387 Origin-only ASes present in the Internet Routing Table: 18586 Origin ASes announcing only one prefix: 8813 Transit ASes present in the Internet Routing Table: 2801 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 1 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1484762656 Equivalent to 88 /8s, 127 /16s and 174 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 59.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 87277 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 37717 Total APNIC prefixes after maximum aggregation: 15944 Prefixes being announced from the APNIC address blocks: 35495 Unique aggregates announced from the APNIC address blocks: 17347 APNIC Region origin ASes present in the Internet Routing Table: 2466 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 382 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 211573472 Equivalent to 12 /8s, 156 /16s and 90 /24s Percentage of available APNIC address space announced: 66.2 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: 94801 Total ARIN prefixes after maximum aggregation: 56437 Prefixes being announced from the ARIN address blocks: 74122 Unique aggregates announced from the ARIN address blocks: 28259 ARIN Region origin ASes present in the Internet Routing Table: 10473 ARIN Region origin ASes announcing only one prefix: 3903 ARIN Region transit ASes present in the Internet Routing Table: 976 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 284486400 Equivalent to 16 /8s, 244 /16s and 235 /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 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: 35370 Total RIPE prefixes after maximum aggregation: 23868 Prefixes being announced from the RIPE address blocks: 32378 Unique aggregates announced from the RIPE address blocks: 21748 RIPE Region origin ASes present in the Internet Routing Table: 7566 RIPE Region origin ASes announcing only one prefix: 3956 RIPE Region transit ASes present in the Internet Routing Table: 1252 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 230579840 Equivalent to 13 /8s, 190 /16s and 94 /24s Percentage of available RIPE address space announced: 68.7 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 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: 10268 Total LACNIC prefixes after maximum aggregation: 3448 Prefixes being announced from the LACNIC address blocks: 8450 Unique aggregates announced from the LACNIC address blocks: 5051 LACNIC Region origin ASes present in the Internet Routing Table: 662 LACNIC Region origin ASes announcing only one prefix: 215 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 24582400 Equivalent to 1 /8s, 119 /16s and 25 /24s Percentage of available LACNIC address space announced: 36.6 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: 1858 Total AfriNIC prefixes after maximum aggregation: 868 Prefixes being announced from the AfriNIC address blocks: 1223 Unique aggregates announced from the AfriNIC address blocks: 864 AfriNIC Region origin ASes present in the Internet Routing Table: 145 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3039488 Equivalent to 0 /8s, 46 /16s and 97 /24s Percentage of available AfriNIC address space announced: 9.1 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 982 6462 204 CHINANET-BACKBONE 9583 848 109 15 Sify Limited 4755 793 258 63 Videsh Sanchar Nigam Ltd. Aut 4766 720 3930 304 Korea Telecom (KIX) 1221 669 1428 476 Telstra Pty Ltd 7545 515 108 69 TPG Internet Pty Ltd 9498 512 211 69 BHARTI BT INTERNET LTD. 17676 480 6949 104 Softbank BB Corp. 17488 435 26 9 Hathway IP Over Cable Interne 9443 411 94 85 Primus Telecommunications 4802 366 75 159 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 7474 330 227 228 SingTel Optus Pty Ltd 18101 330 68 23 Reliance Infocom Ltd Internet 17557 312 25 161 Pakistan Telecom 4780 282 226 16 Digital United Inc. 17974 272 77 37 PT TELEKOMUNIKASI INDONESIA 9837 271 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1472 6248 956 AT&T WorldNet Services 4323 1208 724 236 Time Warner Telecom 174 1036 5791 947 Cogent Communications 721 1026 21938 308 DLA Systems Automation Center 6197 984 593 475 BellSouth Network Solutions, 701 960 8083 803 UUNET Technologies, Inc. 18566 896 272 8 Covad Communications 2386 883 501 691 AT&T Data Communications Serv 1239 848 2792 601 Sprint 20115 668 545 348 Charter Communications 209 663 3604 529 Qwest 6198 635 449 238 BellSouth Network Solutions, 11492 632 89 12 Cable One 22773 611 1478 33 Cox Communications, Inc. 19262 604 1743 146 Verizon Global Networks 852 570 1092 379 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 559 242 59 Canadian Research Network 6478 537 1517 298 AT&T Worldnet Services 3602 522 127 106 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 587 1954 463 UUNET - Commercial IP service 3301 303 1071 289 TeliaNet Sweden 3352 303 1500 34 Ibernet, Internet Access Netw 3320 281 3485 235 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 248 2025 239 DFN-IP service G-WiN 3246 229 487 219 Song Networks 8708 223 275 207 Romania Data Systems S.A. 6746 218 85 188 Dynamic Network Technologies, 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 174 1795 174 The JANET IP Service 8866 172 37 13 Bulgarian Telecommunication C 24863 168 38 9 LINKdotNET AS number 3215 167 1366 81 France Telecom Transpac 5400 166 328 136 BT Ignite European Backbone 3300 164 170 93 AUCS Communications Services 6830 159 669 33 UPC Distribution Services 12479 157 322 5 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 561 1048 215 UniNet S.A. de C.V. 22047 379 141 44 VTR PUNTO NET S.A. 11172 302 110 77 Servicios Alestra S.A de C.V 16814 297 18 7 NSS, S.A. 13999 189 51 18 Mega Cable S.A. de C.V. 14117 181 11 6 Telefonica del Sur S.A. 6147 154 126 22 Telefonica Del Peru 7303 154 73 18 Telecom Argentina Stet-France 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 115 148 76 AVANTEL, S.A. 21826 113 14 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 11311 94 8 23 Sinectis S.A. 14522 94 12 8 SatNet S.A. 19429 94 51 50 E.T.B. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 277 819 233 The Internet Solution 8452 151 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 76 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 24835 73 34 6 RAYA Telecom - Egypt 6713 68 71 10 Itissalat Al-MAGHRIB 20928 60 16 2 Noor Advanced Technologies AS 5713 38 166 34 Telkom SA Ltd 33774 36 9 27 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 12455 28 6 5 Jambonet Autonomous system 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 8346 20 14 19 SONATEL-AS Autonomous System 12258 17 3 11 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1208 972 Time Warner Telecom 18566 896 888 Covad Communications 9583 848 833 Sify Limited 4134 982 778 CHINANET-BACKBONE 4755 793 730 Videsh Sanchar Nigam Ltd. Aut 721 1026 718 DLA Systems Automation Center 11492 632 620 Cable One 22773 611 578 Cox Communications, Inc. 6197 984 509 BellSouth Network Solutions, 19916 563 509 OLM LLC 855 559 500 Canadian Research Network 5668 520 496 CenturyTel Internet Holdings, 19262 604 458 Verizon Global Networks 7545 515 446 TPG Internet Pty Ltd 9498 512 443 BHARTI BT INTERNET LTD. 17488 435 426 Hathway IP Over Cable Interne 7757 442 423 AT&T Broadband 4766 720 416 Korea Telecom (KIX) 3602 522 416 Sprint Canada, Inc. 812 438 410 Rogers WAVE List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 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 /9:5 /10:8 /11:20 /12:87 /13:198 /14:351 /15:684 /16:8667 /17:2982 /18:4983 /19:11227 /20:12403 /21:10785 /22:13810 /23:14993 /24:97838 /25:314 /26:260 /27:203 /28:62 /29:26 /30:55 /31:3 /32:39 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 879 896 Covad Communications 6197 783 984 BellSouth Network Solutions, 7018 746 1472 AT&T WorldNet Services 9583 667 848 Sify Limited 11492 623 632 Cable One 2386 617 883 AT&T Data Communications Serv 4323 582 1208 Time Warner Telecom 19916 557 563 OLM LLC 4766 520 720 Korea Telecom (KIX) 6198 500 635 BellSouth Network Solutions, 855 445 559 Canadian Research Network 7757 424 442 AT&T Broadband 5668 408 520 CenturyTel Internet Holdings, 7011 406 472 Citizens Utilities 702 374 587 UUNET - Commercial IP service 1239 367 848 Sprint 6517 344 372 Yipes Communications, Inc. 15270 338 366 PaeTec.net -a division of Pae 22773 318 611 Cox Communications, Inc. 812 317 438 Rogers WAVE Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:44 12:1638 13:1 15:11 16:3 17:3 18:4 20:42 24:861 25:1 30:2 32:66 38:191 40:54 44:3 47:3 52:4 55:1 56:3 57:34 58:115 59:163 60:183 61:812 62:745 63:1893 64:2940 65:2230 66:3090 67:588 68:665 69:1425 70:300 71:53 72:612 73:23 80:741 81:599 82:507 83:357 84:343 85:425 86:283 87:153 88:17 89:7 124:8 125:188 128:160 129:174 130:103 131:311 132:34 133:7 134:152 135:46 136:169 137:61 138:183 139:89 140:380 141:133 142:414 143:144 144:225 145:39 146:307 147:134 148:323 149:185 150:114 151:72 152:61 153:104 154:6 155:186 156:90 157:120 158:156 159:180 160:88 161:68 162:258 163:177 164:170 165:181 166:146 167:236 168:476 169:139 170:316 171:12 190:30 192:5760 193:3356 194:2469 195:1745 196:738 198:3886 199:3265 200:4209 201:566 202:6451 203:6757 204:3887 205:2099 206:2438 207:2925 208:2019 209:3490 210:1864 211:790 212:1279 213:1429 214:320 215:40 216:3826 217:1155 218:235 219:133 220:638 221:336 222:137 End of report
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