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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Dec 26 19:07:29 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 27 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 131301 Prefixes after maximum aggregation: 80648 Unique aggregates announced to Internet: 62991 Total ASes present in the Internet Routing Table: 16372 Origin-only ASes present in the Internet Routing Table: 14224 Origin ASes announcing only one prefix: 6523 Transit ASes present in the Internet Routing Table: 2148 Transit-only ASes present in the Internet Routing Table: 72 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: 21 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1273823332 Equivalent to 75 /8s, 237 /16s and 0 /24s Percentage of available address space announced: 34.4 Percentage of allocated address space announced: 60.0 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57882 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24083 Total APNIC prefixes after maximum aggregation: 12925 Prefixes being announced from the APNIC address blocks: 22546 Unique aggregates announced from the APNIC address blocks: 12776 APNIC Region origin ASes present in the Internet Routing Table: 1970 APNIC Region origin ASes announcing only one prefix: 585 APNIC Region transit ASes present in the Internet Routing Table: 304 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 132824960 Equivalent to 7 /8s, 234 /16s and 191 /24s Percentage of available APNIC address space announced: 71.6 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: 77149 Total ARIN prefixes after maximum aggregation: 47793 Prefixes being announced from the ARIN address blocks: 59657 Unique aggregates announced from the ARIN address blocks: 20676 ARIN Region origin ASes present in the Internet Routing Table: 8822 ARIN Region origin ASes announcing only one prefix: 3090 ARIN Region transit ASes present in the Internet Routing Table: 842 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 212731552 Equivalent to 12 /8s, 174 /16s and 6 /24s Percentage of available ARIN address space announced: 74.6 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: 23316 Total RIPE prefixes after maximum aggregation: 17032 Prefixes being announced from the RIPE address blocks: 20197 Unique aggregates announced from the RIPE address blocks: 13364 RIPE Region origin ASes present in the Internet Routing Table: 5065 RIPE Region origin ASes announcing only one prefix: 2715 RIPE Region transit ASes present in the Internet Routing Table: 888 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 147838848 Equivalent to 8 /8s, 207 /16s and 215 /24s Percentage of available RIPE address space announced: 67.8 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: 5591 Total LACNIC prefixes after maximum aggregation: 2222 Prefixes being announced from the LACNIC address blocks: 5194 Unique aggregates announced from the LACNIC address blocks: 3120 LACNIC Region origin ASes present in the Internet Routing Table: 364 LACNIC Region origin ASes announcing only one prefix: 105 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 13782528 Equivalent to 0 /8s, 210 /16s and 78 /24s Percentage of available LACNIC address space announced: 41.1 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1141 Total AfriNIC prefixes after maximum aggregation: 676 Prefixes being announced from the AfriNIC address blocks: 728 Unique aggregates announced from the AfriNIC address blocks: 559 AfriNIC Region origin ASes present in the Internet Routing Table: 91 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: 1762048 Equivalent to 0 /8s, 26 /16s and 227 /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 908 1098 653 Telstra Pty Ltd 4134 716 2397 109 Data Communications Bureau 2907 363 1847 340 SINET Japan 9443 343 69 79 Primus Telecommunications 703 338 372 262 UUNET 4755 322 130 60 Videsh Sanchar Nigam Ltd. Aut 17557 310 22 151 Pakistan Telecom 17676 292 4300 38 XTAGE CORPORATION 2764 289 289 239 connect.com.au pty ltd 4766 284 2897 201 Korea Internet Exchange for " 9583 272 44 11 Satyam Infoway Ltd., 4538 249 1810 20 China Education and Research 7474 242 304 198 Optus Communications Pty Ltd 3786 224 768 198 DACOM Corporation 9929 222 154 27 China Netcom Corp. 9942 217 69 128 COMindico Australia 9800 211 346 61 CHINA UNICOM 9498 173 22 29 BHARTI BT INTERNET LTD. 17642 152 40 111 RequestDSL BGP AS# for Sydney 4837 147 1272 99 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1416 7072 981 AT&T 701 1414 8663 970 UUNET Technologies, Inc. 1239 944 3088 654 Sprint 6197 823 477 248 BellSouth Network Solutions, 18566 734 176 8 Covad Communications 209 730 3529 513 Qwest 3356 726 10925 576 Level 3 Communications, LLC 4323 677 589 204 Time Warner Communications, I 20115 582 320 332 Charter Communications 6198 568 338 194 BellSouth Network Solutions, 852 505 1124 402 Telus Advanced Communications 7843 505 521 116 Adelphia Corp. 7066 504 207 270 Virginia Polytechnic Institut 7132 450 7388 310 Southwestern Bell Internet Se 19029 412 173 267 New Edge Networks 2386 406 516 229 AT&T Data Communications Serv 690 400 58 270 Merit Network 4355 390 323 101 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 295 1153 280 TeliaNet Sweden 3320 281 1972 231 Deutsche Telekom AG 8220 265 425 251 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 786 174 1810 174 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. 3215 144 754 67 France Telecom Transpac 3303 144 557 137 Swisscom Ltd 5400 141 176 126 BT Ignite European Backbone 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 350 120 68 ImpSat 8151 240 336 124 UniNet S.A. de C.V. 11172 198 77 44 Servicios Alestra S.A de C.V 7303 173 50 16 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 128 220 93 AVANTEL, S.A. 6147 123 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 6429 75 51 13 AT&T Chile Internet S.A. 4270 70 17 8 Red de Interconexion Universi 11992 68 25 32 Integrated Systems 11311 66 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 5536 103 8 7 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 2561 58 6 3 Egyptian Universities Network 11845 36 9 11 Data Pro Business Online 3208 32 2 1 ARN Network 16637 26 9 19 Johnnic e-Ventures 9129 25 3 4 UUNET Kenya 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 734 726 Covad Communications 4134 716 607 Data Communications Bureau 6197 823 575 BellSouth Network Solutions, 4323 677 473 Time Warner Communications, I 701 1414 444 UUNET Technologies, Inc. 7843 505 389 Adelphia Corp. 6198 568 374 BellSouth Network Solutions, 27364 381 357 Armstrong Cable Services 22909 320 307 Comcast Cable Corporation 5668 320 304 Century Telephone 22773 327 297 Cox Communications, Inc. Atla 1239 944 290 Sprint 4355 390 289 EarthLink, Inc. 6140 350 282 ImpSat 9443 343 264 Primus Telecommunications 4755 322 262 Videsh Sanchar Nigam Ltd. Aut 9583 272 261 Satyam Infoway Ltd., 1221 908 255 Telstra Pty Ltd 17676 292 254 XTAGE CORPORATION 6347 330 251 SAVVIS Communications Corpora List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 31769 UNALLOCATED 12.164.144.0/24 7018 AT&T 31753 UNALLOCATED 63.251.94.0/24 10913 InterNAP Network Ser 31769 UNALLOCATED 65.218.210.0/24 701 UUNET Technologies, 31769 UNALLOCATED 65.218.210.0/23 7018 AT&T 31769 UNALLOCATED 65.218.211.0/24 701 UUNET Technologies, 31766 UNALLOCATED 67.99.177.0/24 4513 PFM Communications, 31758 UNALLOCATED 69.22.180.0/24 4474 Global Village Commu 31780 UNALLOCATED 69.38.148.0/24 701 UUNET Technologies, 31752 UNALLOCATED 69.60.224.0/20 23184 Persona Communicatio 64512 PRIVATE 131.95.1.240/28 16430 University of Southe 64198 RESERVED 192.107.195.0/24 22767 NASA Earth Science D 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 64198 RESERVED 198.10.49.0/24 22767 NASA Earth Science D 65500 PRIVATE 202.95.128.0/19 4761 INDOSATNET-ASN 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 31757 UNALLOCATED 207.105.158.0/24 7132 Southwestern Bell In 31776 UNALLOCATED 208.28.117.0/24 6395 Broadwing Communicat 31766 UNALLOCATED 209.10.138.0/24 4513 PFM Communications, 31749 UNALLOCATED 216.248.43.0/24 19094 Adelphia Business So 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 /14:277 /15:492 /16:7523 /17:1841 /18:3431 /19:8850 /20:9299 /21:6719 /22:9376 /23:11039 /24:71595 /25:185 /26:236 /27:139 /28:32 /29:6 /30:46 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 728 734 Covad Communications 6197 671 823 BellSouth Network Solutions, 7018 523 1416 AT&T 701 431 1414 UUNET Technologies, Inc. 702 426 698 UUNET - Commercial IP service 6198 426 568 BellSouth Network Solutions, 7066 397 504 Virginia Polytechnic Institut 27364 375 381 Armstrong Cable Services 3356 370 726 Level 3 Communications, LLC 20115 364 582 Charter Communications 690 361 400 Merit Network 1239 339 944 Sprint 5668 283 320 Century Telephone 19029 266 412 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 228 281 Deutsche Telekom AG 6386 222 248 bellsouth.net, inc. 4355 215 390 EarthLink, Inc. 6517 213 238 Yipes Communications, Inc. 209 205 730 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 5:1 9:1 12:762 13:1 14:1 15:6 16:1 17:3 20:7 22:2 24:876 25:4 32:83 36:1 38:44 40:26 44:1 55:1 56:1 57:14 61:331 62:448 63:1813 64:1796 65:1795 66:2200 67:247 68:688 69:376 80:435 81:184 82:59 128:147 129:260 130:69 131:80 132:17 134:176 135:16 136:129 137:115 138:125 139:38 140:204 141:133 142:111 143:48 144:62 145:39 146:290 147:73 148:317 149:87 150:119 151:60 152:208 153:59 154:1 155:130 156:60 157:63 158:133 159:137 160:46 161:49 162:368 163:69 164:330 165:175 166:104 167:210 168:181 169:96 170:297 171:8 192:5503 193:2482 194:2002 195:1303 196:516 198:3623 199:2801 200:3101 201:5 202:4189 203:5388 204:2963 205:2039 206:2271 207:2584 208:2467 209:2892 210:998 211:402 212:911 213:972 214:23 215:25 216:3351 217:805 218:119 219:80 220:123 221:18 End of report
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