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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 26 Mar, 2005 Analysis Summary ---------------- BGP routing table entries examined: 158533 Prefixes after maximum aggregation: 92562 Unique aggregates announced to Internet: 76294 Total ASes present in the Internet Routing Table: 19241 Origin-only ASes present in the Internet Routing Table: 16738 Origin ASes announcing only one prefix: 7786 Transit ASes present in the Internet Routing Table: 2503 Transit-only ASes present in the Internet Routing Table: 73 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: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1390054164 Equivalent to 82 /8s, 218 /16s and 139 /24s Percentage of available address space announced: 37.5 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 73966 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 32079 Total APNIC prefixes after maximum aggregation: 15262 Prefixes being announced from the APNIC address blocks: 29996 Unique aggregates announced from the APNIC address blocks: 15266 APNIC Region origin ASes present in the Internet Routing Table: 2228 APNIC Region origin ASes announcing only one prefix: 644 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 179568000 Equivalent to 10 /8s, 179 /16s and 253 /24s Percentage of available APNIC address space announced: 66.6 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: 86303 Total ARIN prefixes after maximum aggregation: 52803 Prefixes being announced from the ARIN address blocks: 67323 Unique aggregates announced from the ARIN address blocks: 24776 ARIN Region origin ASes present in the Internet Routing Table: 9783 ARIN Region origin ASes announcing only one prefix: 3537 ARIN Region transit ASes present in the Internet Routing Table: 932 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 243068928 Equivalent to 14 /8s, 124 /16s and 240 /24s Percentage of available ARIN address space announced: 72.4 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: 30239 Total RIPE prefixes after maximum aggregation: 20782 Prefixes being announced from the RIPE address blocks: 27240 Unique aggregates announced from the RIPE address blocks: 18009 RIPE Region origin ASes present in the Internet Routing Table: 6460 RIPE Region origin ASes announcing only one prefix: 3394 RIPE Region transit ASes present in the Internet Routing Table: 1088 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 196673216 Equivalent to 11 /8s, 184 /16s and 254 /24s Percentage of available RIPE address space announced: 69.0 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: 8489 Total LACNIC prefixes after maximum aggregation: 3019 Prefixes being announced from the LACNIC address blocks: 6926 Unique aggregates announced from the LACNIC address blocks: 3999 LACNIC Region origin ASes present in the Internet Routing Table: 606 LACNIC Region origin ASes announcing only one prefix: 188 LACNIC Region transit ASes present in the Internet Routing Table: 110 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 17826048 Equivalent to 1 /8s, 16 /16s and 1 /24s Percentage of available LACNIC address space announced: 53.1 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1393 Total AfriNIC prefixes after maximum aggregation: 696 Prefixes being announced from the AfriNIC address blocks: 902 Unique aggregates announced from the AfriNIC address blocks: 721 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2190336 Equivalent to 0 /8s, 33 /16s and 108 /24s Percentage of available AfriNIC address space announced: 13.1 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 894 4777 178 CHINANET-BACKBONE 1221 785 1191 558 Telstra Pty Ltd 9583 631 50 32 Sify Limited 4766 584 3415 275 Korea Telecom (KIX) 4755 501 242 105 Videsh Sanchar Nigam Ltd. Aut 7545 485 86 70 TPG Internet Pty Ltd 17676 425 6428 74 Softbank BB Corp. 9443 374 77 79 Primus Telecommunications 9929 358 175 45 China Netcom Corp. 2907 345 1823 319 SINET Japan 17557 337 24 155 Pakistan Telecom 10036 306 28 279 C&M Communication Co. Ltd. 4808 300 247 161 CNCGROUP IP network: China169 7474 291 268 211 SingTel Optus Pty Ltd 4802 283 47 167 Wantree Development 9498 262 82 53 BHARTI BT INTERNET LTD. 2764 255 238 203 AAPT Limited 703 249 279 207 UUNET - Commercial IP service 9800 235 386 69 CHINA UNICOM 17974 235 63 12 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1477 6562 966 AT&T WorldNet Services 721 1119 21763 314 DLA Systems Automation Center 4323 1085 663 224 Time Warner Telecom 701 1018 8283 867 UUNET Technologies, Inc. 174 932 5570 791 Cogent Communications 1239 915 2868 661 Sprint 6197 880 383 412 BellSouth Network Solutions, 2386 829 500 612 AT&T Data Communications Serv 18566 780 208 6 Covad Communications 209 635 3476 500 Qwest 20115 592 492 309 Charter Communications 3356 582 10867 430 Level 3 Communications, LLC 852 540 1095 399 Telus Advanced Communications 3561 538 2370 414 Savvis 3602 506 121 93 Sprint Canada, Inc. 6478 498 833 115 AT&T Worldnet Services 22773 475 1188 21 Cox Communications, Inc. 5668 473 115 26 CenturyTel Internet Holdings, 6198 470 567 191 BellSouth Network Solutions, 27364 465 43 18 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 603 2004 493 UUNET - Commercial IP service 3320 296 2992 231 Deutsche Telekom AG 3301 289 1116 279 TeliaNet Sweden 8220 276 466 270 COLT Telecommunications 680 254 2041 239 DFN-IP service G-WiN 3246 231 475 225 Song Networks 8708 222 251 203 Romania Data Systems S.A. 13083 218 51 8 Mannesmann Datenverarbeitung 9121 206 239 45 TTnet Autonomous System 1257 201 712 177 SWIPnet Swedish IP Network 5515 178 778 128 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3269 166 1456 72 TELECOM ITALIA 6746 162 47 142 Dynamic Network Technologies, 719 158 322 99 LANLINK autonomous system 8866 155 20 7 Bulgarian Telecommunication C 3300 153 184 86 AUCS Communications Services 6830 143 529 28 UPC Distribution Services 5400 142 281 124 BT Ignite European Backbone 25186 142 138 100 France Telecom Transpac's Tra LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 340 489 142 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 214 99 52 Servicios Alestra S.A de C.V 6147 205 102 20 Telefonica Del Peru 19632 191 14 7 Metropolis Intercom S.A. 11664 149 19 23 Keytech SA 7303 147 67 31 Telecom Argentina Stet-France 6505 132 90 88 Global One Communicaoes Ltda 14117 119 8 4 Telefonica del Sur S.A. 22047 116 96 6 VTR PUNTO NET S.A. 18822 102 6 14 TELEFONICA MANQUEHUE 6503 101 144 71 AVANTEL, S.A. 13999 100 52 9 Mega Cable S.A. de C.V. 11556 98 49 4 Cable-Wireless Panama 19169 92 6 16 Telconet 23216 88 24 24 RAMtelecom Telecomunicaciones 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. 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 20928 91 16 2 Noor Advanced Technologies AS 2018 90 295 87 Tertiary Education Network 2905 74 266 68 The Internetworking Company o 24835 58 34 6 RAYA Telecom - Egypt 8452 55 20 5 TEDATA 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 7460 18 3 5 LIA Internet Access 8346 18 10 11 SONATEL-AS Autonomous System 12258 18 3 12 Vodacom Internet Company 21280 18 2 3 Swift Global Kenya Ltd.Is an 15808 16 1 1 Communication Solutions Ltd i 21491 16 1 3 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65531 * 4323 1085 861 Time Warner Telecom 721 1119 805 DLA Systems Automation Center 18566 780 774 Covad Communications 4134 894 716 CHINANET-BACKBONE 9583 631 599 Sify Limited 6197 880 468 BellSouth Network Solutions, 22773 475 454 Cox Communications, Inc. 5668 473 447 CenturyTel Internet Holdings, 27364 465 447 Armstrong Cable Services 7545 485 415 TPG Internet Pty Ltd 3602 506 413 Sprint Canada, Inc. 4755 501 396 Videsh Sanchar Nigam Ltd. Aut 6467 420 387 E.Spire Communications, Inc. 6478 498 383 AT&T Worldnet Services 17676 425 351 Softbank BB Corp. 6140 384 313 ImpSat 9929 358 313 China Netcom Corp. 4766 584 309 Korea Telecom (KIX) 9443 374 295 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 64500 RESERVED 85.114.96.0/21 1680 NetVision Ltd. 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 24255 UNALLOCATED 202.88.192.0/21 4721 Musasino-Mitaka Cabl 24255 UNALLOCATED 202.127.80.0/20 4721 Musasino-Mitaka Cabl 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 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 /12:64 /13:151 /14:305 /15:575 /16:8331 /17:2489 /18:4266 /19:10126 /20:10857 /21:8722 /22:12126 /23:13204 /24:86402 /25:265 /26:259 /27:128 /28:60 /29:26 /30:90 /31:0 /32:43 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 765 780 Covad Communications 6197 721 880 BellSouth Network Solutions, 7018 651 1477 AT&T WorldNet Services 2386 581 829 AT&T Data Communications Serv 4323 506 1085 Time Warner Telecom 9583 453 631 Sify Limited 27364 450 465 Armstrong Cable Services 4766 400 584 Korea Telecom (KIX) 5668 399 473 CenturyTel Internet Holdings, 1239 379 915 Sprint 702 366 603 UUNET - Commercial IP service 6198 337 470 BellSouth Network Solutions, 6467 312 420 E.Spire Communications, Inc. 10036 306 306 C&M Communication Co. Ltd. 6517 288 310 Yipes Communications, Inc. 9929 282 358 China Netcom Corp. 7011 280 329 Citizens Utilities 11456 263 310 Carolina Online, Inc. 15270 249 268 PaeTec.net -a division of Pae 13609 247 292 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:11 12:1502 13:1 15:9 16:2 17:3 18:4 20:4 24:744 32:64 33:4 38:102 40:55 44:3 47:2 52:3 55:2 56:3 57:23 58:5 59:11 60:25 61:739 62:540 63:1874 64:2638 65:2082 66:2727 67:511 68:506 69:952 70:77 71:5 72:121 80:536 81:510 82:350 83:248 84:129 85:175 128:139 129:156 130:89 131:281 132:33 133:1 134:144 135:40 136:184 137:65 138:158 139:50 140:193 141:105 142:139 143:130 144:172 145:45 146:281 147:101 148:293 149:167 150:97 151:63 152:108 153:85 154:3 155:143 156:64 157:87 158:167 159:168 160:72 161:60 162:199 163:84 164:213 165:160 166:127 167:228 168:412 169:135 170:306 171:8 172:1 192:5660 193:3109 194:2321 195:1614 196:626 198:3921 199:3264 200:4062 201:59 202:5356 203:6116 204:3743 205:2027 206:2365 207:2708 208:2072 209:3233 210:1639 211:829 212:1180 213:1275 214:240 215:31 216:3692 217:1140 218:190 219:101 220:372 221:123 222:72 End of report
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Routing Table Analysis