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Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Sep 3 20:06:06 CEST 2004
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 04 Sep, 2004 Analysis Summary ---------------- BGP routing table entries examined: 145774 Prefixes after maximum aggregation: 86810 Unique aggregates announced to Internet: 69608 Total ASes present in the Internet Routing Table: 17969 Origin-only ASes present in the Internet Routing Table: 15607 Origin ASes announcing only one prefix: 7264 Transit ASes present in the Internet Routing Table: 2362 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1332457920 Equivalent to 79 /8s, 107 /16s and 177 /24s Percentage of available address space announced: 35.9 Percentage of allocated address space announced: 58.1 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 66629 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 27843 Total APNIC prefixes after maximum aggregation: 13973 Prefixes being announced from the APNIC address blocks: 26058 Unique aggregates announced from the APNIC address blocks: 14039 APNIC Region origin ASes present in the Internet Routing Table: 2128 APNIC Region origin ASes announcing only one prefix: 631 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 158646144 Equivalent to 9 /8s, 116 /16s and 191 /24s Percentage of available APNIC address space announced: 72.4 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 83493 Total ARIN prefixes after maximum aggregation: 50967 Prefixes being announced from the ARIN address blocks: 63820 Unique aggregates announced from the ARIN address blocks: 22570 ARIN Region origin ASes present in the Internet Routing Table: 9502 ARIN Region origin ASes announcing only one prefix: 3388 ARIN Region transit ASes present in the Internet Routing Table: 918 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 231154464 Equivalent to 13 /8s, 199 /16s and 35 /24s Percentage of available ARIN address space announced: 68.9 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, 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: 26825 Total RIPE prefixes after maximum aggregation: 18919 Prefixes being announced from the RIPE address blocks: 23631 Unique aggregates announced from the RIPE address blocks: 15737 RIPE Region origin ASes present in the Internet Routing Table: 5791 RIPE Region origin ASes announcing only one prefix: 3109 RIPE Region transit ASes present in the Internet Routing Table: 992 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 170299456 Equivalent to 10 /8s, 38 /16s and 144 /24s Percentage of available RIPE address space announced: 59.7 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, 33792-34815 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: 6332 Total LACNIC prefixes after maximum aggregation: 2262 Prefixes being announced from the LACNIC address blocks: 6118 Unique aggregates announced from the LACNIC address blocks: 3504 LACNIC Region origin ASes present in the Internet Routing Table: 387 LACNIC Region origin ASes announcing only one prefix: 115 LACNIC Region transit ASes present in the Internet Routing Table: 78 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15855104 Equivalent to 0 /8s, 241 /16s and 238 /24s Percentage of available LACNIC address space announced: 47.3 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1248 Total AfriNIC prefixes after maximum aggregation: 689 Prefixes being announced from the AfriNIC address blocks: 833 Unique aggregates announced from the AfriNIC address blocks: 662 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 2060032 Equivalent to 0 /8s, 31 /16s and 111 /24s Percentage of available AfriNIC address space announced: 12.3 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 833 4193 156 Data Communications Bureau 1221 811 1184 585 Telstra Pty Ltd 4766 564 2897 265 Korea Internet Exchange for " 9583 529 41 105 Satyam Infoway Ltd., 4755 364 133 50 Videsh Sanchar Nigam Ltd. Aut 9929 363 162 34 China Netcom Corp. 9443 355 70 81 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 348 5180 39 XTAGE CORPORATION 17557 317 22 155 Pakistan Telecom 703 312 342 241 UUNET 2764 283 273 231 connect.com.au pty ltd 7474 266 268 200 Optus Communications Pty Ltd 4802 233 28 143 Wantree Development 9942 232 73 127 COMindico Australia 9800 228 372 66 CHINA UNICOM 9498 221 49 49 BHARTI BT INTERNET LTD. 10036 202 18 183 C&M Communication Co. Ltd. 4837 201 2256 105 chinanet IDC center beijing n 17974 201 61 10 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1412 6759 966 AT&T WorldNet Services 701 1275 8424 917 UUNET Technologies, Inc. 1239 920 2852 614 Sprint 2386 828 561 593 AT&T Data Communications Serv 4323 779 633 216 Time Warner Telecom 18566 743 208 6 Covad Communications 721 715 21020 295 DLA Systems Automation Center 6197 715 362 338 BellSouth Network Solutions, 209 621 3431 498 Qwest 20115 580 407 292 Charter Communications 3356 568 10981 438 Level 3 Communications, LLC 6347 540 296 118 SAVVIS Communications Corpora 852 511 1141 398 Telus Advanced Communications 7843 490 675 104 Adelphia Corp. 3561 466 2390 349 Cable & Wireless USA 6198 441 401 204 BellSouth Network Solutions, 7132 435 8029 377 SBC Internet Services 705 428 163 270 UUNET Technologies, Inc. 5668 389 87 18 Century Telephone 22773 389 960 19 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 649 2032 539 UUNET - Commercial IP service 3320 301 2470 238 Deutsche Telekom AG 3301 281 1098 271 TeliaNet Sweden 8220 275 445 262 COLT Internet - International 680 251 2025 239 DFN-IP service G-WiN 3246 217 475 214 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 213 747 182 SWIPnet Swedish IP Network 8708 203 113 182 Romania Data Systems S.A. 5515 199 842 145 Sonera Solution Autonomous Sy 3215 182 876 76 France Telecom Transpac 786 177 1794 177 The JANET IP Service 719 157 288 102 LANLINK autonomous system 5400 155 209 126 BT Ignite European Backbone 6746 154 29 131 Dynamic Network Technologies, 25186 153 154 109 France Telecom Transpac's Tra 3303 146 609 129 Swisscom Ltd 3269 145 1195 66 TELECOM ITALIA 8866 136 16 17 Bulgarian Telecommunication C 12302 127 18 33 MobiFon S.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 357 100 54 Servicios Alestra S.A de C.V 6140 356 137 63 ImpSat 8151 286 407 132 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 6147 191 86 19 Telefonica Del Peru 11664 158 11 21 Keytech SA 6505 136 90 93 Global One Communicaoes Ltda 6503 134 187 90 AVANTEL, S.A. 7303 121 55 19 Telecom Argentina Stet-France 11992 90 9 31 Integrated Systems 14420 86 6 34 ANDINATEL S.A. 6535 84 5 18 Chilesat Servicios Empresari 10481 81 32 7 Prima S.A. 11556 80 40 2 Cable-Wireless Panama 11311 78 7 19 Sinectis S.A. 5639 77 8 8 Telecommunications Services o 15311 76 21 36 Telefonica Empresas 4270 70 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 10292 67 6 29 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 632 219 The Internet Solution 5536 114 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 20928 59 16 1 Noor Advanced Technologies AS 14988 49 16 1 Botswana Telecommunications C 24835 36 34 7 RAYA Telecom - Egypt 9129 31 3 4 UUNET Kenya 6713 27 42 10 Itissalat Al-MAGHRIB 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 16637 24 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 12455 17 4 2 Jambonet Autonomous system 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21491 14 1 3 UTL On-line is RF broadband I 15808 13 1 2 Communication Solutions Ltd i 17148 13 1 7 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 743 737 Covad Communications 4134 833 677 Data Communications Bureau 4323 779 563 Time Warner Telecom 9583 529 424 Satyam Infoway Ltd., 6347 540 422 SAVVIS Communications Corpora 721 715 420 DLA Systems Automation Center 7843 490 386 Adelphia Corp. 6197 715 377 BellSouth Network Solutions, 5668 389 371 Century Telephone 22773 389 370 Cox Communications, Inc. Atla 701 1275 358 UUNET Technologies, Inc. 6467 388 358 E.Spire Communications, Inc. 27364 364 345 Armstrong Cable Services 22909 365 330 Comcast Cable Corporation 9929 363 329 China Netcom Corp. 4755 364 314 Videsh Sanchar Nigam Ltd. Aut 17676 348 309 XTAGE CORPORATION 1239 920 306 Sprint 11172 357 303 Servicios Alestra S.A de C.V 4766 564 299 Korea Internet Exchange for " List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65217 PRIVATE 192.102.236.0/24 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 64572 PRIVATE 219.146.96.0/21 17633 ASN for Shandong Pro 64572 PRIVATE 219.146.104.0/21 17633 ASN for Shandong Pro 64573 PRIVATE 219.146.112.0/21 17633 ASN for Shandong Pro 64573 PRIVATE 219.146.120.0/21 17633 ASN for Shandong Pro 64576 PRIVATE 219.146.128.0/21 17633 ASN for Shandong Pro 64576 PRIVATE 219.146.136.0/21 17633 ASN for Shandong Pro 64582 PRIVATE 219.146.144.0/22 17633 ASN for Shandong Pro 64582 PRIVATE 219.146.148.0/22 17633 ASN for Shandong Pro 64584 PRIVATE 219.146.176.0/22 17633 ASN for Shandong Pro 64584 PRIVATE 219.146.180.0/22 17633 ASN for Shandong Pro 64575 PRIVATE 219.146.192.0/22 17633 ASN for Shandong Pro 64575 PRIVATE 219.146.196.0/22 17633 ASN for Shandong Pro 64580 PRIVATE 219.146.208.0/21 17633 ASN for Shandong Pro 64581 PRIVATE 219.146.216.0/21 17633 ASN for Shandong Pro 64585 PRIVATE 219.146.224.0/21 17633 ASN for Shandong Pro 64582 PRIVATE 219.147.0.0/24 17633 ASN for Shandong Pro 64572 PRIVATE 222.173.128.0/20 17633 ASN for Shandong Pro 64572 PRIVATE 222.173.144.0/20 17633 ASN for Shandong Pro 64573 PRIVATE 222.173.160.0/20 17633 ASN for Shandong Pro 64573 PRIVATE 222.173.176.0/20 17633 ASN for Shandong Pro 64576 PRIVATE 222.173.192.0/20 17633 ASN for Shandong Pro 64576 PRIVATE 222.173.208.0/20 17633 ASN for Shandong Pro 64582 PRIVATE 222.173.224.0/20 17633 ASN for Shandong Pro 64582 PRIVATE 222.173.240.0/20 17633 ASN for Shandong Pro 64584 PRIVATE 222.174.96.0/20 17633 ASN for Shandong Pro 64584 PRIVATE 222.174.112.0/20 17633 ASN for Shandong Pro 64575 PRIVATE 222.174.160.0/20 17633 ASN for Shandong Pro 64575 PRIVATE 222.174.176.0/20 17633 ASN for Shandong Pro 64580 PRIVATE 222.174.224.0/19 17633 ASN for Shandong Pro 64581 PRIVATE 222.175.0.0/19 17633 ASN for Shandong Pro 64585 PRIVATE 222.175.32.0/19 17633 ASN for Shandong Pro 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 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 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 WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center 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 /10:6 /11:14 /12:63 /13:134 /14:304 /15:541 /16:8029 /17:2201 /18:3813 /19:9748 /20:10249 /21:7702 /22:10621 /23:12237 /24:79352 /25:240 /26:189 /27:100 /28:52 /29:27 /30:87 /31:0 /32:43 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 727 743 Covad Communications 2386 591 828 AT&T Data Communications Serv 6197 567 715 BellSouth Network Solutions, 7018 556 1412 AT&T WorldNet Services 702 397 649 UUNET - Commercial IP service 6347 389 540 SAVVIS Communications Corpora 9583 369 529 Satyam Infoway Ltd., 4766 368 564 Korea Internet Exchange for " 701 358 1275 UUNET Technologies, Inc. 1239 353 920 Sprint 27364 348 364 Armstrong Cable Services 5668 340 389 Century Telephone 6198 322 441 BellSouth Network Solutions, 20115 302 580 Charter Communications 9929 290 363 China Netcom Corp. 6467 285 388 E.Spire Communications, Inc. 6517 265 292 Yipes Communications, Inc. 13609 261 304 Choice One Communications Inc 3320 247 301 Deutsche Telekom AG 25844 245 245 Skadden, Arps, Slate, Meagher Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:2 12:1413 13:1 15:5 16:2 17:3 20:9 24:703 32:78 33:3 38:79 40:54 44:4 52:3 55:1 56:3 57:17 60:6 61:468 62:500 63:1829 64:2293 65:2064 66:2447 67:367 68:540 69:696 70:34 80:517 81:370 82:231 83:140 84:26 128:104 129:171 130:87 131:190 132:26 134:187 135:17 136:187 137:50 138:168 139:38 140:158 141:107 142:120 143:67 144:155 145:41 146:292 147:92 148:422 149:107 150:87 151:70 152:169 153:68 154:2 155:129 156:58 157:79 158:141 159:160 160:56 161:71 162:389 163:79 164:205 165:160 166:111 167:221 168:286 169:109 170:271 171:9 192:5589 193:2881 194:2114 195:1470 196:590 198:3666 199:3250 200:3703 201:15 202:4771 203:5634 204:3221 205:2076 206:2318 207:2528 208:2133 209:3037 210:1470 211:586 212:1014 213:1195 214:130 215:31 216:3709 217:997 218:186 219:84 220:245 221:37 222:44 End of report
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