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 21 May, 2005 Analysis Summary ---------------- BGP routing table entries examined: 162634 Prefixes after maximum aggregation: 94526 Unique aggregates announced to Internet: 78573 Total ASes present in the Internet Routing Table: 19683 Origin-only ASes present in the Internet Routing Table: 17118 Origin ASes announcing only one prefix: 8031 Transit ASes present in the Internet Routing Table: 2565 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 23 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1408266304 Equivalent to 83 /8s, 240 /16s and 112 /24s Percentage of available address space announced: 38.0 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 63.7 Total number of prefixes smaller than registry allocations: 76383 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 33381 Total APNIC prefixes after maximum aggregation: 15685 Prefixes being announced from the APNIC address blocks: 31300 Unique aggregates announced from the APNIC address blocks: 15912 APNIC Region origin ASes present in the Internet Routing Table: 2269 APNIC Region origin ASes announcing only one prefix: 664 APNIC Region transit ASes present in the Internet Routing Table: 345 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 183481472 Equivalent to 10 /8s, 239 /16s and 180 /24s Percentage of available APNIC address space announced: 68.1 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 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: 88143 Total ARIN prefixes after maximum aggregation: 53715 Prefixes being announced from the ARIN address blocks: 68822 Unique aggregates announced from the ARIN address blocks: 25321 ARIN Region origin ASes present in the Internet Routing Table: 9942 ARIN Region origin ASes announcing only one prefix: 3622 ARIN Region transit ASes present in the Internet Routing Table: 942 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 248514304 Equivalent to 14 /8s, 208 /16s and 7 /24s Percentage of available ARIN address space announced: 70.5 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, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 30758 Total RIPE prefixes after maximum aggregation: 21301 Prefixes being announced from the RIPE address blocks: 27836 Unique aggregates announced from the RIPE address blocks: 18628 RIPE Region origin ASes present in the Internet Routing Table: 6657 RIPE Region origin ASes announcing only one prefix: 3514 RIPE Region transit ASes present in the Internet Routing Table: 1117 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 204993984 Equivalent to 12 /8s, 55 /16s and 245 /24s Percentage of available RIPE address space announced: 71.9 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, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 8707 Total LACNIC prefixes after maximum aggregation: 3058 Prefixes being announced from the LACNIC address blocks: 7114 Unique aggregates announced from the LACNIC address blocks: 4142 LACNIC Region origin ASes present in the Internet Routing Table: 622 LACNIC Region origin ASes announcing only one prefix: 195 LACNIC Region transit ASes present in the Internet Routing Table: 114 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 18896896 Equivalent to 1 /8s, 32 /16s and 88 /24s Percentage of available LACNIC address space announced: 56.3 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 1633 Total AfriNIC prefixes after maximum aggregation: 767 Prefixes being announced from the AfriNIC address blocks: 998 Unique aggregates announced from the AfriNIC address blocks: 776 AfriNIC Region origin ASes present in the Internet Routing Table: 125 AfriNIC Region origin ASes announcing only one prefix: 36 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2277120 Equivalent to 0 /8s, 34 /16s and 191 /24s Percentage of available AfriNIC address space announced: 6.8 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 908 5141 187 CHINANET-BACKBONE 1221 752 1182 540 Telstra Pty Ltd 9583 730 54 77 Sify Limited 4755 602 246 124 Videsh Sanchar Nigam Ltd. Aut 4766 592 3413 279 Korea Telecom (KIX) 7545 497 88 71 TPG Internet Pty Ltd 17676 431 6509 73 Softbank BB Corp. 9443 370 77 76 Primus Telecommunications 9929 359 197 46 China Netcom Corp. 2907 345 1838 319 SINET Japan 10036 321 29 288 C&M Communication Co. Ltd. 17557 312 22 150 Pakistan Telecom 4808 308 249 168 CNCGROUP IP network: China169 7474 307 270 210 SingTel Optus Pty Ltd 9498 291 83 59 BHARTI BT INTERNET LTD. 4802 286 48 164 Wantree Development 17974 259 65 14 PT TELEKOMUNIKASI INDONESIA 703 256 277 211 UUNET - Commercial IP service 18302 254 107 142 SK Global co., Ltd 2764 252 238 197 AAPT Limited ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1486 6455 961 AT&T WorldNet Services 174 1170 5609 1001 Cogent Communications 721 1109 21755 312 DLA Systems Automation Center 4323 1108 647 217 Time Warner Telecom 701 1019 8218 858 UUNET Technologies, Inc. 6197 908 380 464 BellSouth Network Solutions, 1239 896 2869 651 Sprint 2386 853 532 634 AT&T Data Communications Serv 18566 812 224 7 Covad Communications 209 655 3521 494 Qwest 20115 596 505 314 Charter Communications 3356 581 10842 438 Level 3 Communications, LLC 27364 565 43 18 Armstrong Cable Services 3561 533 2384 418 Savvis 852 531 1095 391 Telus Advanced Communications 3602 524 123 99 Sprint Canada, Inc. 22773 484 1188 21 Cox Communications, Inc. 5668 473 115 25 CenturyTel Internet Holdings, 6198 468 445 210 BellSouth Network Solutions, 7725 450 60 15 MediaOne RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 595 2003 487 UUNET - Commercial IP service 3320 303 3233 237 Deutsche Telekom AG 3301 294 1084 282 TeliaNet Sweden 8220 274 469 268 COLT Telecommunications 680 253 2041 238 DFN-IP service G-WiN 3246 231 491 226 Song Networks 8708 229 252 213 Romania Data Systems S.A. 1257 200 728 176 SWIPnet Swedish IP Network 5515 178 778 128 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 6746 165 47 144 Dynamic Network Technologies, 3269 164 1488 69 TELECOM ITALIA 8866 164 21 11 Bulgarian Telecommunication C 5400 162 285 136 BT Ignite European Backbone 719 160 340 102 LANLINK autonomous system 3300 153 184 86 AUCS Communications Services 6830 137 513 27 UPC Distribution Services 25186 136 137 96 France Telecom Transpac's Tra 9051 131 8 30 INCONET Autonomous System 2856 128 2305 116 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 372 598 150 UniNet S.A. de C.V. 16814 266 16 7 NSS, S.A. 11172 218 98 53 Servicios Alestra S.A de C.V 6147 177 102 20 Telefonica Del Peru 11664 157 19 22 Keytech SA 7303 148 68 21 Telecom Argentina Stet-France 14117 136 9 5 Telefonica del Sur S.A. 6505 133 90 89 Global One Communicaoes Ltda 22047 131 96 6 VTR PUNTO NET S.A. 19632 119 14 5 Metropolis Intercom S.A. 13999 113 52 9 Mega Cable S.A. de C.V. 11556 111 55 7 Cable-Wireless Panama 18822 105 7 15 TELEFONICA MANQUEHUE 6503 102 146 72 AVANTEL, S.A. 10481 101 40 7 Prima S.A. 19169 100 6 17 Telconet 22927 97 73 25 TELEFONICA DE ARGENTINA 23216 94 24 23 RAMtelecom Telecomunicaciones 21826 92 12 18 INTERCABLE 11311 89 8 18 Sinectis S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 637 224 The Internet Solution 5536 119 15 17 Internet Egypt Network 20928 93 16 2 Noor Advanced Technologies AS 2018 90 295 86 Tertiary Education Network 8452 81 28 6 TEDATA 2905 74 266 68 The Internetworking Company o 24835 63 34 6 RAYA Telecom - Egypt 6713 59 54 8 Itissalat Al-MAGHRIB 9129 44 3 3 UUNET Kenya 12455 39 6 3 Jambonet Autonomous system 5713 36 142 29 Telkom SA Ltd 15475 32 84 4 Nile Online 15706 31 8 3 Sudatel Internet Exchange Aut 8524 24 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 33765 19 3 8 TANZANIA TELECOMMUNICATIONS C 7460 17 3 5 LIA Internet Access 12258 17 3 11 Vodacom Internet Company 21491 17 1 3 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1108 891 Time Warner Telecom 18566 812 805 Covad Communications 721 1109 797 DLA Systems Automation Center 4134 908 721 CHINANET-BACKBONE 9583 730 653 Sify Limited 27364 565 547 Armstrong Cable Services 4755 602 478 Videsh Sanchar Nigam Ltd. Aut 22773 484 463 Cox Communications, Inc. 5668 473 448 CenturyTel Internet Holdings, 6197 908 444 BellSouth Network Solutions, 7725 450 435 MediaOne 7545 497 426 TPG Internet Pty Ltd 3602 524 425 Sprint Canada, Inc. 6467 419 384 E.Spire Communications, Inc. 17676 431 358 Softbank BB Corp. 6140 407 330 ImpSat 4766 592 313 Korea Telecom (KIX) 9929 359 313 China Netcom Corp. 9443 370 294 Primus Telecommunications 20115 596 282 Charter Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65050 PRIVATE 168.96.148.0/24 6140 ImpSat 64512 PRIVATE 200.61.32.0/23 11664 Keytech SA 64512 PRIVATE 200.61.48.0/20 11664 Keytech SA 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65444 PRIVATE 212.25.125.0/24 8551 Bezeq International 65529 PRIVATE 216.21.199.0/24 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 172.122.28.0/24 210 Utah Education Network 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 /11:15 /12:70 /13:154 /14:306 /15:600 /16:8392 /17:2548 /18:4397 /19:10334 /20:11161 /21:9039 /22:12509 /23:13486 /24:88711 /25:288 /26:244 /27:139 /28:64 /29:39 /30:74 /31:0 /32:34 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 796 812 Covad Communications 6197 746 908 BellSouth Network Solutions, 7018 680 1486 AT&T WorldNet Services 2386 603 853 AT&T Data Communications Serv 27364 556 565 Armstrong Cable Services 9583 547 730 Sify Limited 4323 525 1108 Time Warner Telecom 7725 423 450 MediaOne 4766 409 592 Korea Telecom (KIX) 5668 394 473 CenturyTel Internet Holdings, 1239 377 896 Sprint 702 366 595 UUNET - Commercial IP service 6198 340 468 BellSouth Network Solutions, 10036 321 321 C&M Communication Co. Ltd. 6517 299 322 Yipes Communications, Inc. 7011 299 349 Citizens Utilities 6467 297 419 E.Spire Communications, Inc. 9929 280 359 China Netcom Corp. 11456 280 321 Carolina Online, Inc. 15270 264 284 PaeTec.net -a division of Pae Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:13 12:1548 13:1 15:9 16:2 17:3 18:4 20:4 24:1135 30:2 32:68 33:4 38:117 40:53 44:3 47:2 52:4 55:2 56:3 57:22 58:88 59:37 60:36 61:796 62:610 63:1881 64:2742 65:2068 66:2873 67:575 68:529 69:1027 70:108 71:8 72:197 80:567 81:545 82:410 83:262 84:182 85:202 86:15 128:148 129:174 130:83 131:280 132:36 133:1 134:151 135:40 136:189 137:64 138:169 139:57 140:193 141:105 142:149 143:145 144:186 145:33 146:282 147:106 148:297 149:165 150:97 151:65 152:106 153:86 154:5 155:143 156:78 157:95 158:159 159:169 160:89 161:72 162:205 163:87 164:207 165:174 166:156 167:231 168:424 169:140 170:316 171:8 172:2 192:5717 193:3142 194:2376 195:1554 196:657 198:3931 199:3281 200:3914 201:134 202:5595 203:6211 204:3829 205:2017 206:2473 207:2793 208:2056 209:3286 210:1682 211:826 212:1155 213:1277 214:265 215:30 216:3446 217:1138 218:200 219:106 220:372 221:218 222:103 End of report