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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Sep 2 20:06:22 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 03 Sep, 2005 Analysis Summary ---------------- BGP routing table entries examined: 169168 Prefixes after maximum aggregation: 97058 Unique aggregates announced to Internet: 81965 Total ASes present in the Internet Routing Table: 20396 Origin-only ASes present in the Internet Routing Table: 17756 Origin ASes announcing only one prefix: 8414 Transit ASes present in the Internet Routing Table: 2640 Transit-only ASes present in the Internet Routing Table: 70 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 21 Prefixes from unregistered ASNs in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 65 Number of addresses announced to Internet: 1415517824 Equivalent to 84 /8s, 95 /16s and 22 /24s Percentage of available address space announced: 38.2 Percentage of allocated address space announced: 57.5 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 80352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 35173 Total APNIC prefixes after maximum aggregation: 15792 Prefixes being announced from the APNIC address blocks: 33021 Unique aggregates announced from the APNIC address blocks: 16573 APNIC Region origin ASes present in the Internet Routing Table: 2347 APNIC Region origin ASes announcing only one prefix: 694 APNIC Region transit ASes present in the Internet Routing Table: 355 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 196031488 Equivalent to 11 /8s, 175 /16s and 52 /24s Percentage of available APNIC address space announced: 72.7 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, 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: 90126 Total ARIN prefixes after maximum aggregation: 54989 Prefixes being announced from the ARIN address blocks: 70411 Unique aggregates announced from the ARIN address blocks: 25964 ARIN Region origin ASes present in the Internet Routing Table: 10162 ARIN Region origin ASes announcing only one prefix: 3759 ARIN Region transit ASes present in the Internet Routing Table: 947 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 263852800 Equivalent to 15 /8s, 186 /16s and 19 /24s Percentage of available ARIN address space announced: 65.5 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: 32721 Total RIPE prefixes after maximum aggregation: 22314 Prefixes being announced from the RIPE address blocks: 29780 Unique aggregates announced from the RIPE address blocks: 20060 RIPE Region origin ASes present in the Internet Routing Table: 7053 RIPE Region origin ASes announcing only one prefix: 3722 RIPE Region transit ASes present in the Internet Routing Table: 1166 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 216914304 Equivalent to 12 /8s, 237 /16s and 217 /24s Percentage of available RIPE address space announced: 64.6 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 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: 9418 Total LACNIC prefixes after maximum aggregation: 3172 Prefixes being announced from the LACNIC address blocks: 7784 Unique aggregates announced from the LACNIC address blocks: 4489 LACNIC Region origin ASes present in the Internet Routing Table: 635 LACNIC Region origin ASes announcing only one prefix: 198 LACNIC Region transit ASes present in the Internet Routing Table: 119 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 21911552 Equivalent to 1 /8s, 78 /16s and 88 /24s Percentage of available LACNIC address space announced: 32.7 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: 1706 Total AfriNIC prefixes after maximum aggregation: 791 Prefixes being announced from the AfriNIC address blocks: 1034 Unique aggregates announced from the AfriNIC address blocks: 788 AfriNIC Region origin ASes present in the Internet Routing Table: 136 AfriNIC Region origin ASes announcing only one prefix: 41 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: 2647296 Equivalent to 0 /8s, 40 /16s and 101 /24s Percentage of available AfriNIC address space announced: 7.9 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 960 5596 196 CHINANET-BACKBONE 9583 784 77 14 Sify Limited 1221 750 1327 519 Telstra Pty Ltd 4755 705 259 64 Videsh Sanchar Nigam Ltd. Aut 4766 602 3927 285 Korea Telecom (KIX) 7545 518 108 73 TPG Internet Pty Ltd 17676 465 6739 99 Softbank BB Corp. 9443 386 84 79 Primus Telecommunications 2907 336 1788 313 SINET Japan 9498 336 115 59 BHARTI BT INTERNET LTD. 9929 334 224 46 China Netcom Corp. 17557 326 23 153 Pakistan Telecom 17488 319 19 8 Hathway IP Over Cable Interne 7474 316 257 219 SingTel Optus Pty Ltd 4802 298 53 159 Wantree Development 18302 296 109 160 SK Global co., Ltd 9837 277 79 178 Powertel Ltd 17974 265 65 14 PT TELEKOMUNIKASI INDONESIA 703 254 262 207 UUNET - Commercial IP service 9800 244 386 65 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1512 6374 985 AT&T WorldNet Services 4323 1161 705 224 Time Warner Telecom 174 1116 5852 1020 Cogent Communications 721 1078 21922 310 DLA Systems Automation Center 701 999 8136 843 UUNET Technologies, Inc. 6197 947 503 446 BellSouth Network Solutions, 2386 897 513 670 AT&T Data Communications Serv 1239 864 2850 609 Sprint 18566 840 224 20 Covad Communications 209 624 3454 488 Qwest 20115 624 489 327 Charter Communications 3356 572 10661 444 Level 3 Communications, LLC 27364 554 44 18 Armstrong Cable Services 3602 551 125 106 Sprint Canada, Inc. 3561 538 2416 419 Savvis 22773 502 1352 27 Cox Communications, Inc. 5668 497 115 23 CenturyTel Internet Holdings, 6198 473 417 228 BellSouth Network Solutions, 7132 459 4949 393 SBC Internet Services 19262 450 1370 120 Verizon Global Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 586 1999 479 UUNET - Commercial IP service 3301 299 1081 285 TeliaNet Sweden 3320 293 3232 240 Deutsche Telekom AG 8220 264 474 260 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 233 262 213 Romania Data Systems S.A. 3246 229 469 222 Song Networks 1257 197 712 175 SWIPnet Swedish IP Network 9121 190 288 40 TTnet Autonomous System 6746 184 50 160 Dynamic Network Technologies, 5515 181 778 127 Sonera Solution Autonomous Sy 786 174 1795 174 The JANET IP Service 3269 172 1558 68 TELECOM ITALIA 5400 167 289 141 BT Ignite European Backbone 8866 166 20 7 Bulgarian Telecommunication C 6830 157 669 33 UPC Distribution Services 3300 155 184 90 AUCS Communications Services 25186 143 145 100 France Telecom Transpac's Tra 8551 138 120 20 Bezeq International 3215 136 1165 80 France Telecom Transpac LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 397 650 168 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 241 83 57 Servicios Alestra S.A de C.V 6147 194 110 21 Telefonica Del Peru 11664 191 20 23 Keytech SA 19632 173 14 5 Metropolis Intercom S.A. 22047 172 128 7 VTR PUNTO NET S.A. 14117 153 9 5 Telefonica del Sur S.A. 7303 143 68 15 Telecom Argentina Stet-France 11556 129 64 2 Cable-Wireless Panama 6505 122 89 86 Global One Communicaoes Ltda 19169 121 8 25 Telconet 10481 120 48 8 Prima S.A. 6503 114 148 75 AVANTEL, S.A. 18822 111 7 15 TELEFONICA MANQUEHUE 13999 109 52 9 Mega Cable S.A. de C.V. 5639 103 12 9 Telecommunications Services o 21826 103 13 15 INTERCABLE 11311 97 8 14 Sinectis S.A. 23216 95 24 19 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 263 692 221 The Internet Solution 5536 121 8 14 Internet Egypt Network 8452 105 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 15475 88 84 4 Nile Online 2905 77 210 69 The Internetworking Company o 20928 58 16 2 Noor Advanced Technologies AS 24835 58 34 7 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 5713 43 149 33 Telkom SA Ltd 9129 39 3 4 UUNET Kenya 12455 37 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 8524 23 1 3 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 21 1 12 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15804 17 2 1 AS of The Way Out Internet So Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1161 937 Time Warner Telecom 18566 840 820 Covad Communications 9583 784 770 Sify Limited 721 1078 768 DLA Systems Automation Center 4134 960 764 CHINANET-BACKBONE 4755 705 641 Videsh Sanchar Nigam Ltd. Aut 27364 554 536 Armstrong Cable Services 6197 947 501 BellSouth Network Solutions, 22773 502 475 Cox Communications, Inc. 5668 497 474 CenturyTel Internet Holdings, 3602 551 445 Sprint Canada, Inc. 7545 518 445 TPG Internet Pty Ltd 17676 465 366 Softbank BB Corp. 6467 424 351 E.Spire Communications, Inc. 19262 450 330 Verizon Global Networks 11492 325 318 Cable One 4766 602 317 Korea Telecom (KIX) 17488 319 311 Hathway IP Over Cable Interne 9443 386 307 Primus Telecommunications 15270 333 306 PaeTec.net -a division of Pae List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel 65230 PRIVATE 86.104.115.0/24 34050 Fiber Net Communicat 65230 PRIVATE 86.104.116.0/24 34050 Fiber Net Communicat 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 64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt 64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65500 PRIVATE 211.158.36.0/22 23851 Chongqing Broadband 65500 PRIVATE 211.158.40.0/22 23851 Chongqing Broadband 65500 PRIVATE 211.158.44.0/22 23851 Chongqing Broadband 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 192.96.1.0/24 3741 The Internet Solution 192.96.2.0/24 2018 Tertiary Education Network 192.96.3.0/24 3741 The Internet Solution 192.96.5.0/24 2018 Tertiary Education Network 192.96.7.0/24 2018 Tertiary Education Network 192.96.8.0/24 2018 Tertiary Education Network 192.96.10.0/24 5713 Telkom SA Ltd 192.96.11.0/24 2018 Tertiary Education Network 192.96.12.0/24 2018 Tertiary Education Network 192.96.13.0/24 16637 Johnnic e-Ventures 192.96.14.0/24 16637 Johnnic e-Ventures 192.96.15.0/24 2018 Tertiary Education Network 192.96.20.0/23 2018 Tertiary Education Network 192.96.22.0/24 7460 LIA Internet Access 192.96.25.0/24 6083 Olivetti Africa 192.96.32.0/24 2905 The Internetworking Company o 192.96.34.0/24 10474 NetActive ISP 192.96.36.0/24 5713 Telkom SA Ltd 192.96.37.0/24 10474 NetActive ISP 192.96.38.0/24 3741 The Internet Solution 192.96.43.0/24 5713 Telkom SA Ltd 192.96.46.0/24 3741 The Internet Solution 192.96.51.0/24 5713 Telkom SA Ltd 192.96.57.0/24 3741 The Internet Solution 192.96.58.0/24 16416 Mycomax 192.96.87.0/24 2905 The Internetworking Company o 192.96.88.0/24 2905 The Internetworking Company o 192.96.89.0/24 3741 The Internet Solution 192.96.90.0/23 3741 The Internet Solution 192.96.92.0/24 3741 The Internet Solution 192.96.94.0/23 3741 The Internet Solution 192.96.96.0/24 2905 The Internetworking Company o 192.96.97.0/24 2905 The Internetworking Company o 192.96.98.0/23 2905 The Internetworking Company o 192.96.109.0/24 2018 Tertiary Education Network 192.96.120.0/21 3741 The Internet Solution 192.96.128.0/22 3741 The Internet Solution 192.96.132.0/24 3741 The Internet Solution 192.96.133.0/24 3741 The Internet Solution 192.96.134.0/24 3741 The Internet Solution 192.96.139.0/24 3741 The Internet Solution 192.96.140.0/24 2018 Tertiary Education Network 192.96.142.0/24 2018 Tertiary Education Network 192.96.147.0/24 2905 The Internetworking Company o 192.96.150.0/24 3741 The Internet Solution 192.96.177.0/24 6083 Olivetti Africa 192.96.193.0/24 3741 The Internet Solution 192.96.194.0/24 3741 The Internet Solution 192.96.247.0/24 2018 Tertiary Education Network 192.96.248.0/23 2018 Tertiary Education Network 192.96.250.0/24 2018 Tertiary Education Network 192.96.251.0/24 3741 The Internet Solution 192.96.252.0/24 2018 Tertiary Education Network 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 /9:3 /10:8 /11:17 /12:77 /13:171 /14:320 /15:625 /16:8482 /17:2698 /18:4614 /19:10690 /20:11708 /21:9755 /22:13158 /23:13995 /24:91855 /25:329 /26:312 /27:174 /28:46 /29:23 /30:61 /31:1 /32:29 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 825 840 Covad Communications 6197 770 947 BellSouth Network Solutions, 7018 718 1512 AT&T WorldNet Services 2386 609 897 AT&T Data Communications Serv 9583 604 784 Sify Limited 4323 554 1161 Time Warner Telecom 27364 545 554 Armstrong Cable Services 4766 419 602 Korea Telecom (KIX) 5668 405 497 CenturyTel Internet Holdings, 1239 364 864 Sprint 19916 363 369 OLM LLC 702 360 586 UUNET - Commercial IP service 7011 348 403 Citizens Utilities 6198 346 473 BellSouth Network Solutions, 11492 317 325 Cable One 15270 303 333 PaeTec.net -a division of Pae 6517 302 328 Yipes Communications, Inc. 701 284 999 UUNET Technologies, Inc. 18302 281 296 SK Global co., Ltd 6467 278 424 E.Spire Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 8:23 11:1 12:1575 13:1 15:9 16:2 17:3 18:3 20:22 24:1066 30:3 32:61 38:146 40:56 44:4 47:2 52:4 55:1 56:3 57:23 58:155 59:65 60:120 61:719 62:768 63:1881 64:2827 65:2065 66:2891 67:599 68:579 69:1166 70:173 71:11 72:350 80:612 81:539 82:466 83:303 84:230 85:306 86:95 87:9 128:141 129:168 130:94 131:293 132:37 133:1 134:145 135:42 136:151 137:65 138:165 139:61 140:425 141:105 142:145 143:136 144:212 145:34 146:288 147:115 148:297 149:182 150:107 151:61 152:108 153:92 154:5 155:150 156:80 157:97 158:165 159:168 160:85 161:73 162:224 163:115 164:188 165:195 166:154 167:247 168:438 169:142 170:309 171:8 190:1 192:5718 193:3277 194:2399 195:1570 196:657 198:3849 199:3284 200:4158 201:315 202:6056 203:6333 204:3781 205:2072 206:2460 207:2820 208:2028 209:3346 210:1693 211:810 212:1208 213:1353 214:289 215:36 216:3581 217:1125 218:216 219:135 220:445 221:260 222:124 End of report
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