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Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Oct 8 20:06:58 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 09 Oct, 2004 Analysis Summary ---------------- BGP routing table entries examined: 149020 Prefixes after maximum aggregation: 87919 Unique aggregates announced to Internet: 71042 Total ASes present in the Internet Routing Table: 18195 Origin-only ASes present in the Internet Routing Table: 15790 Origin ASes announcing only one prefix: 7393 Transit ASes present in the Internet Routing Table: 2405 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 58 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1344430884 Equivalent to 80 /8s, 34 /16s and 99 /24s Percentage of available address space announced: 36.3 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 68695 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28600 Total APNIC prefixes after maximum aggregation: 14296 Prefixes being announced from the APNIC address blocks: 26765 Unique aggregates announced from the APNIC address blocks: 14304 APNIC Region origin ASes present in the Internet Routing Table: 2146 APNIC Region origin ASes announcing only one prefix: 641 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 164575616 Equivalent to 9 /8s, 207 /16s and 57 /24s Percentage of available APNIC address space announced: 75.1 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: 85051 Total ARIN prefixes after maximum aggregation: 51403 Prefixes being announced from the ARIN address blocks: 65114 Unique aggregates announced from the ARIN address blocks: 22973 ARIN Region origin ASes present in the Internet Routing Table: 9604 ARIN Region origin ASes announcing only one prefix: 3450 ARIN Region transit ASes present in the Internet Routing Table: 931 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 233997056 Equivalent to 13 /8s, 242 /16s and 131 /24s Percentage of available ARIN address space announced: 69.7 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: 27632 Total RIPE prefixes after maximum aggregation: 19190 Prefixes being announced from the RIPE address blocks: 24481 Unique aggregates announced from the RIPE address blocks: 16076 RIPE Region origin ASes present in the Internet Routing Table: 5882 RIPE Region origin ASes announcing only one prefix: 3169 RIPE Region transit ASes present in the Internet Routing Table: 1018 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 173276096 Equivalent to 10 /8s, 83 /16s and 251 /24s Percentage of available RIPE address space announced: 60.8 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, 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: 6457 Total LACNIC prefixes after maximum aggregation: 2340 Prefixes being announced from the LACNIC address blocks: 6288 Unique aggregates announced from the LACNIC address blocks: 3705 LACNIC Region origin ASes present in the Internet Routing Table: 393 LACNIC Region origin ASes announcing only one prefix: 113 LACNIC Region transit ASes present in the Internet Routing Table: 83 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 16269568 Equivalent to 0 /8s, 248 /16s and 65 /24s Percentage of available LACNIC address space announced: 48.5 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1272 Total AfriNIC prefixes after maximum aggregation: 690 Prefixes being announced from the AfriNIC address blocks: 886 Unique aggregates announced from the AfriNIC address blocks: 677 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 20 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 2064640 Equivalent to 0 /8s, 31 /16s and 129 /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 840 4391 160 Data Communications Bureau 1221 809 1184 581 Telstra Pty Ltd 4766 544 3407 266 Korea Internet Exchange for " 9583 529 41 106 Satyam Infoway Ltd., 17676 370 5532 52 XTAGE CORPORATION 4755 367 132 51 Videsh Sanchar Nigam Ltd. Aut 2907 354 1857 328 SINET Japan 9443 353 69 79 Primus Telecommunications 9929 344 161 33 China Netcom Corp. 17557 316 23 157 Pakistan Telecom 703 311 342 240 UUNET 2764 285 274 232 connect.com.au pty ltd 7474 270 269 201 Optus Communications Pty Ltd 9942 238 73 127 COMindico Australia 4802 233 28 142 Wantree Development 9800 230 374 67 CHINA UNICOM 9498 224 49 48 BHARTI BT INTERNET LTD. 7563 221 48 164 Korea Internet Infrastructure 10036 203 19 186 C&M Communication Co. Ltd. 17974 203 62 10 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1411 6749 983 AT&T WorldNet Services 701 1273 8450 919 UUNET Technologies, Inc. 1239 939 2867 624 Sprint 2386 845 532 606 AT&T Data Communications Serv 3549 843 563 206 Global Crossing 6197 794 491 319 BellSouth Network Solutions, 4323 790 637 216 Time Warner Telecom 18566 743 208 6 Covad Communications 721 723 21028 298 DLA Systems Automation Center 3356 647 10923 445 Level 3 Communications, LLC 3561 634 2513 432 Cable & Wireless USA 209 627 3465 495 Qwest 20115 589 427 302 Charter Communications 852 512 1142 398 Telus Advanced Communications 7843 493 691 98 Adelphia Corp. 7132 449 8288 377 SBC Internet Services 6198 432 403 203 BellSouth Network Solutions, 705 429 163 271 UUNET Technologies, Inc. 27364 411 36 19 Armstrong Cable Services 22773 402 960 18 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 629 2013 519 UUNET - Commercial IP service 3320 301 2470 238 Deutsche Telekom AG 3301 282 1100 272 TeliaNet Sweden 8220 279 461 265 COLT Internet - International 21502 269 40 3 NUMERICABLE is a cabled netwo 680 251 2025 239 DFN-IP service G-WiN 3246 218 476 215 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 207 114 183 Romania Data Systems S.A. 1257 205 742 178 SWIPnet Swedish IP Network 5515 201 843 147 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 719 157 288 102 LANLINK autonomous system 3215 156 908 76 France Telecom Transpac 6746 154 30 129 Dynamic Network Technologies, 8866 151 18 19 Bulgarian Telecommunication C 25186 150 154 106 France Telecom Transpac's Tra 3269 149 1259 67 TELECOM ITALIA 5400 148 207 120 BT Ignite European Backbone 3303 147 610 129 Swisscom Ltd LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 349 139 68 ImpSat 8151 304 439 129 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 205 100 54 Servicios Alestra S.A de C.V 6147 194 94 20 Telefonica Del Peru 11664 171 13 26 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 7303 134 60 24 Telecom Argentina Stet-France 6503 124 164 85 AVANTEL, S.A. 11992 101 9 31 Integrated Systems 11311 88 8 26 Sinectis S.A. 6535 85 7 19 Chilesat Servicios Empresari 10481 81 32 7 Prima S.A. 11556 81 41 3 Cable-Wireless Panama 14420 80 5 33 ANDINATEL S.A. 4270 79 18 9 Red de Interconexion Universi 5639 77 8 8 Telecommunications Services o 15311 76 21 36 Telefonica Empresas 27716 74 9 12 Eveloz 14522 72 5 8 SatNet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 631 218 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 93 276 81 The Internetworking Company o 20928 58 16 1 Noor Advanced Technologies AS 22750 50 3 2 >>UNKNOWN<< 24835 34 34 7 RAYA Telecom - Egypt 9129 33 3 4 UUNET Kenya 6713 31 42 10 Itissalat Al-MAGHRIB 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 14988 24 16 1 Botswana Telecommunications C 16637 22 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 15 1 4 UTL On-line is RF broadband I 21280 14 2 3 Swift Global Kenya Ltd.Is an Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 743 737 Covad Communications 4134 840 680 Data Communications Bureau 3549 843 637 Global Crossing 4323 790 574 Time Warner Telecom 6197 794 475 BellSouth Network Solutions, 721 723 425 DLA Systems Automation Center 9583 529 423 Satyam Infoway Ltd., 7843 493 395 Adelphia Corp. 27364 411 392 Armstrong Cable Services 22773 402 384 Cox Communications, Inc. Atla 5668 398 380 Century Telephone 6467 389 359 E.Spire Communications, Inc. 701 1273 354 UUNET Technologies, Inc. 22909 383 353 Comcast Cable Corporation 17676 370 318 XTAGE CORPORATION 4755 367 316 Videsh Sanchar Nigam Ltd. Aut 1239 939 315 Sprint 9929 344 311 China Netcom Corp. 6478 379 300 AT&T Worldnet Services 4355 389 290 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 24.249.231.0/24 15218 COX Communications 64512 PRIVATE 24.249.232.0/24 15218 COX Communications 64512 PRIVATE 24.249.233.0/24 15218 COX Communications 64512 PRIVATE 24.249.234.0/24 15218 COX Communications 64512 PRIVATE 24.249.235.0/24 15218 COX Communications 65006 PRIVATE 84.18.32.0/19 33831 * 65217 PRIVATE 192.102.236.0/24 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 22750 UNALLOCATED 196.44.64.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.64.0/19 2905 The Internetworking 22750 UNALLOCATED 196.44.65.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.66.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.67.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.68.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.69.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.70.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.71.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.72.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.73.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.74.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.75.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.76.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.77.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.78.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.79.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.80.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.81.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.82.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.83.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.84.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.85.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.86.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.87.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.88.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.89.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.90.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.91.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.92.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.93.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.94.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.95.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.224.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.224.0/20 2905 The Internetworking 22750 UNALLOCATED 196.44.225.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.226.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.227.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.228.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.229.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.230.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.231.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.232.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.233.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.234.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.235.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.236.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.237.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.238.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.239.0/24 2905 The Internetworking Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 111.0.0.0/24 7563 Korea Internet Infrastructure 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 192.44.0.0/19 702 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 /11:15 /12:62 /13:137 /14:308 /15:552 /16:8102 /17:2247 /18:3881 /19:9700 /20:10370 /21:7877 /22:10881 /23:12542 /24:81493 /25:233 /26:209 /27:113 /28:59 /29:48 /30:116 /31:0 /32:47 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 728 743 Covad Communications 6197 638 794 BellSouth Network Solutions, 2386 610 845 AT&T Data Communications Serv 7018 561 1411 AT&T WorldNet Services 3549 444 843 Global Crossing 27364 395 411 Armstrong Cable Services 702 381 629 UUNET - Commercial IP service 1239 376 939 Sprint 9583 368 529 Satyam Infoway Ltd., 4766 364 544 Korea Internet Exchange for " 701 351 1273 UUNET Technologies, Inc. 5668 346 398 Century Telephone 6198 316 432 BellSouth Network Solutions, 20115 299 589 Charter Communications 6467 286 389 E.Spire Communications, Inc. 9929 275 344 China Netcom Corp. 6517 271 298 Yipes Communications, Inc. 13609 266 309 Choice One Communications Inc 21502 266 269 NUMERICABLE is a cabled netwo 3561 257 634 Cable & Wireless USA Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:8 12:1404 13:1 15:1 16:2 17:3 18:1 20:6 24:739 32:68 33:2 38:80 40:54 44:3 47:2 52:3 55:1 56:3 57:17 60:6 61:519 62:509 63:1833 64:2543 65:2072 66:2502 67:420 68:548 69:731 70:80 80:520 81:532 82:310 83:174 84:40 111:1 128:121 129:165 130:87 131:185 132:34 134:188 135:17 136:181 137:55 138:182 139:38 140:184 141:107 142:123 143:69 144:161 145:42 146:323 147:94 148:396 149:109 150:87 151:65 152:151 153:68 154:2 155:130 156:57 157:70 158:142 159:162 160:60 161:71 162:374 163:79 164:213 165:161 166:117 167:220 168:358 169:120 170:280 171:9 192:5571 193:2894 194:2136 195:1520 196:644 198:3676 199:3282 200:3772 201:20 202:4880 203:5710 204:3382 205:2099 206:2435 207:2647 208:2273 209:3004 210:1492 211:636 212:1115 213:1198 214:131 215:30 216:3688 217:1046 218:176 219:101 220:256 221:37 222:43 End of report
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