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Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Mar 18 19:09:09 CET 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 19 Mar, 2005 Analysis Summary ---------------- BGP routing table entries examined: 157975 Prefixes after maximum aggregation: 92333 Unique aggregates announced to Internet: 76032 Total ASes present in the Internet Routing Table: 19179 Origin-only ASes present in the Internet Routing Table: 16690 Origin ASes announcing only one prefix: 7773 Transit ASes present in the Internet Routing Table: 2489 Transit-only ASes present in the Internet Routing Table: 77 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: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1386736677 Equivalent to 82 /8s, 167 /16s and 236 /24s Percentage of available address space announced: 37.4 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 73656 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31730 Total APNIC prefixes after maximum aggregation: 15189 Prefixes being announced from the APNIC address blocks: 29767 Unique aggregates announced from the APNIC address blocks: 15218 APNIC Region origin ASes present in the Internet Routing Table: 2223 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 178488768 Equivalent to 10 /8s, 163 /16s and 133 /24s Percentage of available APNIC address space announced: 66.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 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: 87847 Total ARIN prefixes after maximum aggregation: 53334 Prefixes being announced from the ARIN address blocks: 67238 Unique aggregates announced from the ARIN address blocks: 24648 ARIN Region origin ASes present in the Internet Routing Table: 9948 ARIN Region origin ASes announcing only one prefix: 3596 ARIN Region transit ASes present in the Internet Routing Table: 953 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 242177536 Equivalent to 14 /8s, 111 /16s and 86 /24s Percentage of available ARIN address space announced: 72.2 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 30075 Total RIPE prefixes after maximum aggregation: 20703 Prefixes being announced from the RIPE address blocks: 27030 Unique aggregates announced from the RIPE address blocks: 17906 RIPE Region origin ASes present in the Internet Routing Table: 6417 RIPE Region origin ASes announcing only one prefix: 3382 RIPE Region transit ASes present in the Internet Routing Table: 1081 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 195233488 Equivalent to 11 /8s, 163 /16s and 6 /24s Percentage of available RIPE address space announced: 68.5 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 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, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6923 Total LACNIC prefixes after maximum aggregation: 2410 Prefixes being announced from the LACNIC address blocks: 6886 Unique aggregates announced from the LACNIC address blocks: 4027 LACNIC Region origin ASes present in the Internet Routing Table: 425 LACNIC Region origin ASes announcing only one prefix: 125 LACNIC Region transit ASes present in the Internet Routing Table: 83 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 17796096 Equivalent to 1 /8s, 15 /16s and 140 /24s Percentage of available LACNIC address space announced: 53.0 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1373 Total AfriNIC prefixes after maximum aggregation: 697 Prefixes being announced from the AfriNIC address blocks: 894 Unique aggregates announced from the AfriNIC address blocks: 717 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2187264 Equivalent to 0 /8s, 33 /16s and 96 /24s Percentage of available AfriNIC address space announced: 13.0 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 893 4729 176 Data Communications Bureau 1221 785 1187 558 Telstra Pty Ltd 9583 622 50 29 Satyam Infoway Ltd., 4766 582 3415 276 Korea Internet Exchange for " 4755 501 242 106 Videsh Sanchar Nigam Ltd. Aut 7545 477 86 70 TPG Internet Pty Ltd 17676 417 6300 76 XTAGE CORPORATION 9443 374 77 79 Primus Telecommunications 9929 358 175 45 China Netcom Corp. 17557 358 25 158 Pakistan Telecom 2907 347 1823 321 SINET Japan 10036 300 27 273 C&M Communication Co. Ltd. 4808 299 245 160 CHINANET core WAN North 7474 290 283 211 Optus Communications Pty Ltd 4802 282 47 166 Wantree Development 9498 259 82 53 BHARTI BT INTERNET LTD. 703 257 280 214 UUNET 2764 256 238 204 connect.com.au pty ltd 9800 236 387 70 CHINA UNICOM 9942 215 69 113 COMindico Australia ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1464 6561 960 AT&T WorldNet Services 721 1119 21755 313 DLA Systems Automation Center 4323 1070 668 221 Time Warner Telecom 701 1030 8272 876 UUNET Technologies, Inc. 174 925 5569 784 PSINet Inc. 1239 914 2872 659 Sprint 6197 878 383 411 BellSouth Network Solutions, 2386 833 501 614 AT&T Data Communications Serv 18566 778 208 6 Covad Communications 209 638 3474 502 Qwest 20115 586 486 306 Charter Communications 3356 578 10863 429 Level 3 Communications, LLC 3561 555 2370 414 Cable & Wireless USA 852 540 1095 400 Telus Advanced Communications 3602 506 121 93 Sprint Canada, Inc. 6478 499 832 108 AT&T Worldnet Services 22773 481 1218 25 Cox Communications, Inc. Atla 6198 468 554 196 BellSouth Network Solutions, 27364 465 43 18 Armstrong Cable Services 5668 460 115 17 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 605 2005 495 UUNET - Commercial IP service 3320 295 2992 230 Deutsche Telekom AG 3301 289 1112 279 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 254 2041 239 DFN-IP service G-WiN 3246 230 475 224 Song Networks 8708 226 251 204 Romania Data Systems S.A. 13083 218 51 8 Mannesmann Datenverarbeitung 9121 197 237 39 TTnet Autonomous System 1257 196 710 173 SWIPnet Swedish IP Network 5515 178 778 128 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 8866 173 19 20 Bulgarian Telecommunication C 3269 166 1456 72 TELECOM ITALIA 6746 160 47 141 Dynamic Network Technologies, 719 157 322 99 LANLINK autonomous system 3300 152 184 85 AUCS Communications Services 6830 143 529 28 UPC Distribution Services 25186 143 138 101 France Telecom Transpac's Tra 5400 141 281 125 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 381 140 72 ImpSat 8151 334 488 139 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 215 99 53 Servicios Alestra S.A de C.V 6147 205 102 20 Telefonica Del Peru 11664 148 19 23 Keytech SA 7303 147 67 31 Telecom Argentina Stet-France 6505 135 90 91 Global One Communicaoes Ltda 14117 118 7 5 Telefonica del Sur S.A. 11992 107 9 31 Integrated Systems 6503 103 145 73 AVANTEL, S.A. 13999 100 52 9 Mega Cable S.A. de C.V. 11556 98 49 4 Cable-Wireless Panama 6535 87 7 23 Chilesat Servicios Empresari 11311 86 8 22 Sinectis S.A. 5639 84 12 9 Telecommunications Services o 10481 80 32 7 Prima S.A. 4270 77 18 9 Red de Interconexion Universi 15311 77 24 36 Telefonica Empresas 7738 75 298 16 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 635 225 The Internet Solution 5536 114 15 18 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 88 16 2 Noor Advanced Technologies AS 2905 74 266 68 The Internetworking Company o 8452 55 20 5 TEDATA 24835 55 34 6 RAYA Telecom - Egypt 12455 41 7 4 Jambonet Autonomous system 9129 39 3 2 UUNET Kenya 6713 35 54 9 Itissalat Al-MAGHRIB 5713 27 141 24 Telkom SA Ltd 8524 24 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 18 2 3 Swift Global Kenya Ltd.Is an 8346 17 10 11 SONATEL-AS Autonomous System 15808 16 1 1 Communication Solutions Ltd i 21491 16 1 3 UTL On-line is RF broadband I 15706 15 4 2 Sudatel Internet Exchange Aut Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1070 849 Time Warner Telecom 721 1119 806 DLA Systems Automation Center 18566 778 772 Covad Communications 4134 893 717 Data Communications Bureau 9583 622 593 Satyam Infoway Ltd., 6197 878 467 BellSouth Network Solutions, 22773 481 456 Cox Communications, Inc. Atla 27364 465 447 Armstrong Cable Services 5668 460 443 Century Telephone 3602 506 413 Sprint Canada, Inc. 7545 477 407 TPG Internet Pty Ltd 4755 501 395 Videsh Sanchar Nigam Ltd. Aut 6478 499 391 AT&T Worldnet Services 6467 408 375 E.Spire Communications, Inc. 17676 417 341 XTAGE CORPORATION 9929 358 313 China Netcom Corp. 6140 381 309 ImpSat 4766 582 306 Korea Internet Exchange for " 9443 374 295 Primus Telecommunications 20115 586 280 Charter Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd 65535 PRIVATE 64.111.161.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.162.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.164.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.165.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.167.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.169.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.170.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.171.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.172.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.173.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.174.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.175.0/24 33205 KMC Telecom Solution 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 30998 UNALLOCATED 65.120.56.0/21 209 Qwest 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 64500 RESERVED 85.114.96.0/21 1680 NetVision Ltd. 24261 UNALLOCATED 133.67.0.0/16 9351 Tsu Cable Television 65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK 30998 UNALLOCATED 196.207.0.0/20 209 Qwest 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 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net 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 172.32.0.0/24 7011 Citizens Utilities 191.250.0.1/32 668 Defense Research and Engineer 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 /8:19 /9:3 /10:8 /11:14 /12:62 /13:152 /14:305 /15:573 /16:8321 /17:2477 /18:4186 /19:10131 /20:10825 /21:8727 /22:12051 /23:13167 /24:86110 /25:264 /26:257 /27:110 /28:53 /29:26 /30:90 /31:0 /32:44 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 763 778 Covad Communications 6197 719 878 BellSouth Network Solutions, 7018 638 1464 AT&T WorldNet Services 2386 586 833 AT&T Data Communications Serv 4323 492 1070 Time Warner Telecom 27364 450 465 Armstrong Cable Services 9583 443 622 Satyam Infoway Ltd., 4766 399 582 Korea Internet Exchange for " 5668 383 460 Century Telephone 1239 378 914 Sprint 702 368 605 UUNET - Commercial IP service 6198 336 468 BellSouth Network Solutions, 6467 305 408 E.Spire Communications, Inc. 10036 300 300 C&M Communication Co. Ltd. 6517 289 311 Yipes Communications, Inc. 9929 282 358 China Netcom Corp. 7011 280 329 Citizens Utilities 11456 263 310 Carolina Online, Inc. 701 250 1030 UUNET Technologies, Inc. 15270 247 266 PaeTec.net -a division of Pae Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:10 12:1503 13:1 15:9 16:2 17:3 18:4 20:5 24:740 32:64 33:5 38:101 40:55 44:3 47:2 52:3 55:2 56:3 57:24 58:4 59:10 60:24 61:739 62:526 63:1879 64:2633 65:2069 66:2730 67:509 68:506 69:926 70:73 71:5 72:124 80:530 81:512 82:345 83:249 84:129 85:174 128:148 129:158 130:89 131:280 132:34 133:1 134:144 135:34 136:190 137:66 138:158 139:50 140:196 141:104 142:139 143:129 144:172 145:45 146:281 147:98 148:294 149:166 150:97 151:63 152:110 153:85 154:3 155:142 156:69 157:87 158:167 159:167 160:71 161:60 162:198 163:86 164:215 165:153 166:127 167:229 168:409 169:133 170:312 171:8 172:1 192:5657 193:3116 194:2300 195:1600 196:623 198:3922 199:3264 200:4029 201:57 202:5337 203:6083 204:3725 205:2023 206:2369 207:2699 208:2068 209:3199 210:1630 211:821 212:1182 213:1273 214:242 215:31 216:3681 217:1120 218:193 219:113 220:370 221:111 222:65 End of report
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