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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Oct 14 20:07:05 CEST 2005
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 15 Oct, 2005 Analysis Summary ---------------- BGP routing table entries examined: 171970 Prefixes after maximum aggregation: 97912 Unique aggregates announced to Internet: 83108 Total ASes present in the Internet Routing Table: 20686 Origin-only ASes present in the Internet Routing Table: 17984 Origin ASes announcing only one prefix: 8523 Transit ASes present in the Internet Routing Table: 2702 Transit-only ASes present in the Internet Routing Table: 76 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: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1432117312 Equivalent to 85 /8s, 92 /16s and 96 /24s Percentage of available address space announced: 38.6 Percentage of allocated address space announced: 58.2 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 82011 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 35743 Total APNIC prefixes after maximum aggregation: 15711 Prefixes being announced from the APNIC address blocks: 33520 Unique aggregates announced from the APNIC address blocks: 16652 APNIC Region origin ASes present in the Internet Routing Table: 2386 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 361 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 202736768 Equivalent to 12 /8s, 21 /16s and 132 /24s Percentage of available APNIC address space announced: 75.2 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, 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: 91412 Total ARIN prefixes after maximum aggregation: 55469 Prefixes being announced from the ARIN address blocks: 71439 Unique aggregates announced from the ARIN address blocks: 26392 ARIN Region origin ASes present in the Internet Routing Table: 10254 ARIN Region origin ASes announcing only one prefix: 3778 ARIN Region transit ASes present in the Internet Routing Table: 957 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 272029184 Equivalent to 16 /8s, 54 /16s and 214 /24s Percentage of available ARIN address space announced: 67.6 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: 33355 Total RIPE prefixes after maximum aggregation: 22680 Prefixes being announced from the RIPE address blocks: 30377 Unique aggregates announced from the RIPE address blocks: 20399 RIPE Region origin ASes present in the Internet Routing Table: 7198 RIPE Region origin ASes announcing only one prefix: 3802 RIPE Region transit ASes present in the Internet Routing Table: 1196 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 219976960 Equivalent to 13 /8s, 28 /16s and 149 /24s Percentage of available RIPE address space announced: 65.6 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: 9671 Total LACNIC prefixes after maximum aggregation: 3231 Prefixes being announced from the LACNIC address blocks: 8001 Unique aggregates announced from the LACNIC address blocks: 4713 LACNIC Region origin ASes present in the Internet Routing Table: 642 LACNIC Region origin ASes announcing only one prefix: 204 LACNIC Region transit ASes present in the Internet Routing Table: 125 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 22300160 Equivalent to 1 /8s, 84 /16s and 70 /24s Percentage of available LACNIC address space announced: 33.2 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: 1761 Total AfriNIC prefixes after maximum aggregation: 821 Prefixes being announced from the AfriNIC address blocks: 1071 Unique aggregates announced from the AfriNIC address blocks: 796 AfriNIC Region origin ASes present in the Internet Routing Table: 141 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 18 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2839296 Equivalent to 0 /8s, 43 /16s and 83 /24s Percentage of available AfriNIC address space announced: 8.5 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 1005 6236 210 CHINANET-BACKBONE 9583 806 77 12 Sify Limited 1221 750 1326 513 Telstra Pty Ltd 4755 720 259 67 Videsh Sanchar Nigam Ltd. Aut 4766 619 3927 291 Korea Telecom (KIX) 7545 514 108 72 TPG Internet Pty Ltd 17676 470 6819 100 Softbank BB Corp. 9443 392 87 78 Primus Telecommunications 9498 381 211 57 BHARTI BT INTERNET LTD. 2907 337 1763 314 SINET Japan 17488 336 20 9 Hathway IP Over Cable Interne 9929 332 224 46 China Netcom Corp. 7474 330 258 227 SingTel Optus Pty Ltd 17557 330 39 162 Pakistan Telecom 4802 325 71 155 Wantree Development 18302 291 109 170 SK Global co., Ltd 9837 275 79 176 Powertel Ltd 17974 271 65 14 PT TELEKOMUNIKASI INDONESIA 18101 263 68 18 Reliance Infocom Ltd Internet 1659 260 956 35 Tiawan Academic Network (TANe ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1527 6365 997 AT&T WorldNet Services 4323 1191 705 231 Time Warner Telecom 721 1070 21938 308 DLA Systems Automation Center 174 1060 5848 994 Cogent Communications 701 1003 8121 839 UUNET Technologies, Inc. 6197 947 399 490 BellSouth Network Solutions, 2386 933 514 693 AT&T Data Communications Serv 18566 860 240 7 Covad Communications 1239 857 2852 602 Sprint 209 639 3572 505 Qwest 20115 628 512 332 Charter Communications 3602 561 131 109 Sprint Canada, Inc. 3561 546 2410 419 Savvis 22773 539 1348 27 Cox Communications, Inc. 3356 535 10639 411 Level 3 Communications, LLC 5668 486 147 24 CenturyTel Internet Holdings, 6198 479 448 223 BellSouth Network Solutions, 19262 479 1432 121 Verizon Global Networks 7132 468 5059 399 SBC Internet Services 852 436 1092 382 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 605 1976 478 UUNET - Commercial IP service 3301 303 1081 289 TeliaNet Sweden 3320 286 3231 241 Deutsche Telekom AG 8220 269 475 264 COLT Telecommunications 680 243 2040 239 DFN-IP service G-WiN 8708 240 274 225 Romania Data Systems S.A. 3246 226 474 219 Song Networks 1257 194 712 172 SWIPnet Swedish IP Network 6746 193 50 167 Dynamic Network Technologies, 5515 181 777 127 Sonera Solution Autonomous Sy 3269 178 1638 70 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 170 289 142 BT Ignite European Backbone 8866 159 37 9 Bulgarian Telecommunication C 6830 158 669 33 UPC Distribution Services 3300 157 185 91 AUCS Communications Services 25186 152 227 107 France Telecom Transpac's Tra 3215 142 1229 81 France Telecom Transpac 1273 139 177 97 Cable & Wireless Deutschland 24863 139 37 6 LINKdotNET AS number LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 403 650 171 UniNet S.A. de C.V. 16814 297 18 7 NSS, S.A. 11172 279 86 64 Servicios Alestra S.A de C.V 11664 195 22 13 Keytech SA 19632 195 14 5 Metropolis Intercom S.A. 6147 191 118 21 Telefonica Del Peru 22047 169 128 7 VTR PUNTO NET S.A. 14117 155 10 5 Telefonica del Sur S.A. 7303 146 69 17 Telecom Argentina Stet-France 11556 132 64 2 Cable-Wireless Panama 19169 122 8 26 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 13999 119 52 9 Mega Cable S.A. de C.V. 6503 113 148 73 AVANTEL, S.A. 18822 112 7 13 TELEFONICA MANQUEHUE 21826 107 14 18 INTERCABLE 5639 105 12 9 Telecommunications Services o 11311 99 8 10 Sinectis S.A. 23216 88 23 12 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 708 226 The Internet Solution 5536 123 8 12 Internet Egypt Network 8452 116 44 7 TEDATA 2018 95 295 86 Tertiary Education Network 15475 82 84 4 Nile Online 2905 78 211 71 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 20928 61 16 2 Noor Advanced Technologies AS 24835 58 34 7 RAYA Telecom - Egypt 5713 38 149 33 Telkom SA Ltd 12455 35 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 3 19 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 19 5 9 MAURITIUS TELECOM 15804 18 2 1 AS of The Way Out Internet So 12258 17 3 11 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1191 960 Time Warner Telecom 18566 860 853 Covad Communications 4134 1005 795 CHINANET-BACKBONE 9583 806 794 Sify Limited 721 1070 762 DLA Systems Automation Center 4755 720 653 Videsh Sanchar Nigam Ltd. Aut 22773 539 512 Cox Communications, Inc. 5668 486 462 CenturyTel Internet Holdings, 6197 947 457 BellSouth Network Solutions, 3602 561 452 Sprint Canada, Inc. 7545 514 442 TPG Internet Pty Ltd 17676 470 370 Softbank BB Corp. 19262 479 358 Verizon Global Networks 6467 403 355 E.Spire Communications, Inc. 11492 346 335 Cable One 4766 619 328 Korea Telecom (KIX) 17488 336 327 Hathway IP Over Cable Interne 9498 381 324 BHARTI BT INTERNET LTD. 15270 342 317 PaeTec.net -a division of Pae 9443 392 314 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT 64900 PRIVATE 64.116.137.0/24 17399 Comsat Venezuela, CO 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati 65535 PRIVATE 70.128.144.0/21 7132 SBC Internet Service 65205 PRIVATE 152.163.5.0/24 2056 America Online 64512 PRIVATE 170.51.242.0/24 19037 CTI Compania de Tele 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.7.0/24 28477 Universidad Autonoma 64900 PRIVATE 200.85.68.0/24 17399 Comsat Venezuela, CO 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp. 65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks 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 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:5 /10:8 /11:17 /12:80 /13:181 /14:330 /15:643 /16:8557 /17:2836 /18:4758 /19:10849 /20:11922 /21:9968 /22:13281 /23:14269 /24:93349 /25:324 /26:282 /27:177 /28:33 /29:12 /30:38 /31:3 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 844 860 Covad Communications 6197 774 947 BellSouth Network Solutions, 7018 745 1527 AT&T WorldNet Services 2386 645 933 AT&T Data Communications Serv 9583 629 806 Sify Limited 4323 567 1191 Time Warner Telecom 4766 427 619 Korea Telecom (KIX) 5668 390 486 CenturyTel Internet Holdings, 702 384 605 UUNET - Commercial IP service 1239 368 857 Sprint 7011 367 427 Citizens Utilities 19916 363 369 OLM LLC 6198 349 479 BellSouth Network Solutions, 11492 338 346 Cable One 6517 321 347 Yipes Communications, Inc. 15270 315 342 PaeTec.net -a division of Pae 13609 289 332 Choice One Communications Inc 701 286 1003 UUNET Technologies, Inc. 18302 276 291 SK Global co., Ltd 22773 275 539 Cox Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 8:25 12:1606 13:1 15:11 16:3 17:3 18:3 20:31 24:635 30:3 32:67 38:160 40:54 44:3 47:2 52:4 55:1 56:3 57:36 58:95 59:76 60:138 61:766 62:779 63:1892 64:2905 65:2092 66:2966 67:638 68:675 69:1265 70:213 71:26 72:414 80:655 81:565 82:495 83:296 84:285 85:342 86:131 87:60 125:17 128:145 129:169 130:96 131:297 132:36 133:1 134:146 135:43 136:152 137:66 138:166 139:65 140:498 141:141 142:148 143:142 144:219 145:34 146:301 147:132 148:281 149:188 150:107 151:70 152:113 153:93 154:5 155:140 156:79 157:113 158:163 159:173 160:87 161:76 162:236 163:148 164:187 165:191 166:151 167:258 168:444 169:146 170:306 171:10 190:1 192:5712 193:3312 194:2429 195:1562 196:658 198:3890 199:3237 200:4248 201:357 202:6133 203:6482 204:3819 205:2053 206:2447 207:2851 208:2024 209:3398 210:1692 211:825 212:1196 213:1348 214:312 215:39 216:3696 217:1145 218:225 219:130 220:508 221:290 222:129 End of report
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