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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Dec 19 19:06:21 CET 2003
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 20 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 130966 Prefixes after maximum aggregation: 80591 Unique aggregates announced to Internet: 62936 Total ASes present in the Internet Routing Table: 16359 Origin-only ASes present in the Internet Routing Table: 14221 Origin ASes announcing only one prefix: 6497 Transit ASes present in the Internet Routing Table: 2138 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 19 Illegal AS announcements present in the Routing Table: 14 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1273216100 Equivalent to 75 /8s, 227 /16s and 188 /24s Percentage of available address space announced: 34.4 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57753 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23847 Total APNIC prefixes after maximum aggregation: 12812 Prefixes being announced from the APNIC address blocks: 22305 Unique aggregates announced from the APNIC address blocks: 12636 APNIC Region origin ASes present in the Internet Routing Table: 1952 APNIC Region origin ASes announcing only one prefix: 574 APNIC Region transit ASes present in the Internet Routing Table: 302 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 132620672 Equivalent to 7 /8s, 231 /16s and 161 /24s Percentage of available APNIC address space announced: 71.5 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77067 Total ARIN prefixes after maximum aggregation: 47827 Prefixes being announced from the ARIN address blocks: 59593 Unique aggregates announced from the ARIN address blocks: 20637 ARIN Region origin ASes present in the Internet Routing Table: 8830 ARIN Region origin ASes announcing only one prefix: 3091 ARIN Region transit ASes present in the Internet Routing Table: 839 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 212426400 Equivalent to 12 /8s, 169 /16s and 94 /24s Percentage of available ARIN address space announced: 74.5 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, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23294 Total RIPE prefixes after maximum aggregation: 17010 Prefixes being announced from the RIPE address blocks: 20169 Unique aggregates announced from the RIPE address blocks: 13373 RIPE Region origin ASes present in the Internet Routing Table: 5054 RIPE Region origin ASes announcing only one prefix: 2697 RIPE Region transit ASes present in the Internet Routing Table: 885 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 147501184 Equivalent to 8 /8s, 202 /16s and 176 /24s Percentage of available RIPE address space announced: 67.6 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 RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5610 Total LACNIC prefixes after maximum aggregation: 2244 Prefixes being announced from the LACNIC address blocks: 5188 Unique aggregates announced from the LACNIC address blocks: 3226 LACNIC Region origin ASes present in the Internet Routing Table: 366 LACNIC Region origin ASes announcing only one prefix: 107 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 13771776 Equivalent to 0 /8s, 210 /16s and 36 /24s Percentage of available LACNIC address space announced: 41.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1133 Total AfriNIC prefixes after maximum aggregation: 698 Prefixes being announced from the AfriNIC address blocks: 726 Unique aggregates announced from the AfriNIC address blocks: 557 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 28 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1757696 Equivalent to 0 /8s, 26 /16s and 210 /24s Percentage of available AfriNIC address space announced: 10.5 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 925 1099 660 Telstra Pty Ltd 4134 756 2397 109 Data Communications Bureau 2907 363 1863 340 SINET Japan 9443 344 69 80 Primus Telecommunications 703 337 356 262 UUNET 4755 324 130 60 Videsh Sanchar Nigam Ltd. Aut 17557 310 22 152 Pakistan Telecom 17676 291 4284 37 XTAGE CORPORATION 2764 289 289 239 connect.com.au pty ltd 4766 268 2896 193 Korea Internet Exchange for " 7474 262 306 211 Optus Communications Pty Ltd 9583 262 44 11 Satyam Infoway Ltd., 4538 249 1810 20 China Education and Research 3786 234 771 204 DACOM Corporation 9929 221 154 27 China Netcom Corp. 9942 211 69 123 COMindico Australia 9800 209 346 56 CHINA UNICOM 9498 173 22 31 BHARTI BT INTERNET LTD. 17642 152 40 111 RequestDSL BGP AS# for Sydney 4837 148 1271 99 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1420 7072 984 AT&T 701 1416 8663 972 UUNET Technologies, Inc. 1239 943 3104 654 Sprint 6197 823 475 247 BellSouth Network Solutions, 18566 733 176 8 Covad Communications 209 732 3530 512 Qwest 3356 725 10925 575 Level 3 Communications, LLC 4323 677 589 204 Time Warner Communications, I 20115 582 320 332 Charter Communications 6198 567 338 194 BellSouth Network Solutions, 7843 507 520 120 Adelphia Corp. 852 505 1124 402 Telus Advanced Communications 7066 505 207 270 Virginia Polytechnic Institut 7132 452 7357 313 Southwestern Bell Internet Se 19029 416 174 269 New Edge Networks 2386 403 516 226 AT&T Data Communications Serv 690 400 58 270 Merit Network 4355 388 323 99 EarthLink, Inc. 705 381 196 236 UUNET Technologies, Inc. 27364 381 28 24 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 698 2075 581 UUNET - Commercial IP service 3301 298 1154 283 TeliaNet Sweden 3320 280 1972 230 Deutsche Telekom AG 8220 264 425 250 COLT Internet - International 1257 258 505 192 SWIPnet Swedish IP Network 680 229 2022 226 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 3246 185 424 183 Song Networks 786 175 1826 175 The JANET IP Service 5515 173 762 135 Sonera Solution Autonomous Sy 25186 168 201 109 France Telecom Transpac's Tra 8708 165 111 158 Romania Data Systems S.A. 3303 144 557 137 Swisscom Ltd 5400 141 176 126 BT Ignite European Backbone 3215 139 706 66 France Telecom Transpac 719 134 288 104 LANLINK autonomous system 12302 126 18 33 MobiFon S.A. 3269 119 941 64 TELECOM ITALIA 2856 118 1294 108 BTnet UK Regional network 3352 102 876 30 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 349 120 68 ImpSat 8151 241 352 125 UniNet S.A. de C.V. 11172 195 77 44 Servicios Alestra S.A de C.V 7303 179 45 33 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6505 135 91 95 Global One Communicaoes Ltda 10620 131 11 36 TVCABLE BOGOTA 6503 127 204 93 AVANTEL, S.A. 6147 124 78 20 Telefonica Del Peru 11340 108 3 29 Red Universitaria Nacional 8065 77 10 21 Empresas Publicas de Medellin 6535 76 5 19 Chilesat Servicios Empresari 15311 76 16 39 Telefonica Empresas 11992 75 25 31 Integrated Systems 6429 74 51 13 AT&T Chile Internet S.A. 4270 71 18 9 Red de Interconexion Universi 11311 67 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 27699 62 168 15 TELECOMUNICACOES DE SAO PAULO 14420 61 4 23 ANDINATEL S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 632 218 The Internet Solution 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 5536 89 7 22 Internet Egypt Network 2561 58 6 3 Egyptian Universities Network 11845 36 9 11 Data Pro Business Online 3208 32 2 1 ARN Network 9129 25 3 4 UUNET Kenya 16637 25 9 19 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 12455 24 4 2 Jambonet Autonomous system 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 10798 18 1 12 Standard Bank of South Africa 8524 17 1 3 AUCEGYPT Autonomous System 12258 15 3 10 Vodacom Internet Company 15706 15 2 5 Sudatel Internet Exchange Aut 17148 14 1 8 First National Bank 2609 12 10 3 Tunisia BackBone AS 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 733 725 Covad Communications 4134 756 647 Data Communications Bureau 6197 823 576 BellSouth Network Solutions, 4323 677 473 Time Warner Communications, I 701 1416 444 UUNET Technologies, Inc. 7843 507 387 Adelphia Corp. 6198 567 373 BellSouth Network Solutions, 27364 381 357 Armstrong Cable Services 22909 320 307 Comcast Cable Corporation 5668 317 301 Century Telephone 22773 324 295 Cox Communications, Inc. Atla 1239 943 289 Sprint 4355 388 289 EarthLink, Inc. 6140 349 281 ImpSat 1221 925 265 Telstra Pty Ltd 9443 344 264 Primus Telecommunications 4755 324 264 Videsh Sanchar Nigam Ltd. Aut 17676 291 254 XTAGE CORPORATION 9583 262 251 Satyam Infoway Ltd., 20115 582 250 Charter Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 31758 UNALLOCATED 69.22.180.0/24 4474 Global Village Commu 64512 PRIVATE 131.95.1.240/28 16430 University of Southe 64198 RESERVED 192.107.195.0/24 22767 NASA Earth Science D 64198 RESERVED 198.10.49.0/24 22767 NASA Earth Science D 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.2.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.3.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.4.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.5.0/24 3561 Cable & Wireless USA 31763 UNALLOCATED 205.235.32.0/19 3593 EPIX 31763 UNALLOCATED 205.235.48.0/24 3593 EPIX 31763 UNALLOCATED 205.235.49.0/24 3593 EPIX 65500 PRIVATE 209.151.142.0/24 26788 Enersource Telecom I 31749 UNALLOCATED 216.248.43.0/24 2551 ICG NetAhead, Inc Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:4 /10:6 /11:15 /12:57 /13:102 /14:276 /15:491 /16:7529 /17:1838 /18:3439 /19:8854 /20:9269 /21:6697 /22:9311 /23:10971 /24:71453 /25:181 /26:226 /27:141 /28:32 /29:8 /30:38 /31:0 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 727 733 Covad Communications 6197 672 823 BellSouth Network Solutions, 7018 524 1420 AT&T 701 430 1416 UUNET Technologies, Inc. 702 426 698 UUNET - Commercial IP service 6198 425 567 BellSouth Network Solutions, 7066 398 505 Virginia Polytechnic Institut 27364 375 381 Armstrong Cable Services 3356 369 725 Level 3 Communications, LLC 20115 364 582 Charter Communications 690 361 400 Merit Network 1239 338 943 Sprint 5668 280 317 Century Telephone 19029 270 416 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 227 280 Deutsche Telekom AG 6386 222 248 bellsouth.net, inc. 4355 215 388 EarthLink, Inc. 6517 211 236 Yipes Communications, Inc. 209 206 732 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 5:1 12:758 13:1 14:1 15:6 16:1 17:3 20:7 24:875 32:82 38:44 40:26 44:2 55:1 56:1 57:14 61:326 62:453 63:1834 64:1786 65:1783 66:2192 67:244 68:684 69:367 80:439 81:176 82:60 128:146 129:260 130:67 131:80 132:17 134:177 135:16 136:184 137:114 138:125 139:31 140:164 141:134 142:110 143:49 144:61 145:39 146:290 147:73 148:318 149:88 150:119 151:60 152:208 153:57 154:1 155:131 156:60 157:62 158:133 159:137 160:46 161:49 162:368 163:71 164:331 165:176 166:104 167:211 168:181 169:96 170:299 171:8 192:5507 193:2470 194:2007 195:1305 196:515 198:3633 199:2838 200:3105 201:5 202:4057 203:5369 204:2966 205:2030 206:2259 207:2590 208:2479 209:2864 210:1001 211:399 212:943 213:957 214:23 215:25 216:3358 217:797 218:120 219:78 220:117 221:17 End of report
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