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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Jun 11 20:06:04 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 12 Jun, 2004 Analysis Summary ---------------- BGP routing table entries examined: 140462 Prefixes after maximum aggregation: 84998 Unique aggregates announced to Internet: 68154 Total ASes present in the Internet Routing Table: 17399 Origin-only ASes present in the Internet Routing Table: 15103 Origin ASes announcing only one prefix: 7028 Transit ASes present in the Internet Routing Table: 2296 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1312025340 Equivalent to 78 /8s, 51 /16s and 234 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.1 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 64122 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26841 Total APNIC prefixes after maximum aggregation: 13922 Prefixes being announced from the APNIC address blocks: 25076 Unique aggregates announced from the APNIC address blocks: 14019 APNIC Region origin ASes present in the Internet Routing Table: 2064 APNIC Region origin ASes announcing only one prefix: 616 APNIC Region transit ASes present in the Internet Routing Table: 337 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 150026240 Equivalent to 8 /8s, 241 /16s and 56 /24s Percentage of available APNIC address space announced: 68.5 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: 80606 Total ARIN prefixes after maximum aggregation: 49793 Prefixes being announced from the ARIN address blocks: 62431 Unique aggregates announced from the ARIN address blocks: 21967 ARIN Region origin ASes present in the Internet Routing Table: 9241 ARIN Region origin ASes announcing only one prefix: 3287 ARIN Region transit ASes present in the Internet Routing Table: 896 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 225181216 Equivalent to 13 /8s, 107 /16s and 254 /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 31744 - 33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 25755 Total RIPE prefixes after maximum aggregation: 18347 Prefixes being announced from the RIPE address blocks: 22551 Unique aggregates announced from the RIPE address blocks: 15075 RIPE Region origin ASes present in the Internet Routing Table: 5551 RIPE Region origin ASes announcing only one prefix: 2992 RIPE Region transit ASes present in the Internet Routing Table: 951 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 164243456 Equivalent to 9 /8s, 202 /16s and 40 /24s Percentage of available RIPE address space announced: 57.6 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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6111 Total LACNIC prefixes after maximum aggregation: 2260 Prefixes being announced from the LACNIC address blocks: 5737 Unique aggregates announced from the LACNIC address blocks: 3525 LACNIC Region origin ASes present in the Internet Routing Table: 381 LACNIC Region origin ASes announcing only one prefix: 110 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15063808 Equivalent to 0 /8s, 229 /16s and 219 /24s Percentage of available LACNIC address space announced: 44.9 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1146 Total AfriNIC prefixes after maximum aggregation: 676 Prefixes being announced from the AfriNIC address blocks: 781 Unique aggregates announced from the AfriNIC address blocks: 584 AfriNIC Region origin ASes present in the Internet Routing Table: 90 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1865728 Equivalent to 0 /8s, 28 /16s and 120 /24s Percentage of available AfriNIC address space announced: 11.1 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 845 1075 613 Telstra Pty Ltd 4134 790 3660 144 Data Communications Bureau 4766 491 2896 264 Korea Internet Exchange for " 9583 451 34 138 Satyam Infoway Ltd., 4755 365 133 53 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1841 329 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 703 329 375 256 UUNET 17557 329 23 165 Pakistan Telecom 9929 323 156 33 China Netcom Corp. 2764 294 274 241 connect.com.au pty ltd 7474 263 267 206 Optus Communications Pty Ltd 9942 229 71 126 COMindico Australia 9800 224 367 62 CHINA UNICOM 9498 217 47 46 BHARTI BT INTERNET LTD. 4780 210 193 26 Digital United Inc. 17974 184 51 99 PT TELEKOMUNIKASI INDONESIA 4837 182 2019 105 chinanet IDC center beijing n 10036 181 17 169 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1435 6891 998 AT&T 701 1305 8493 930 UUNET Technologies, Inc. 1239 941 3002 637 Sprint 6347 938 400 98 SAVVIS Communications Corpora 3356 890 10900 674 Level 3 Communications, LLC 4323 737 549 205 Time Warner Communications, I 209 736 3457 504 Qwest 18566 710 192 8 Covad Communications 6197 703 499 286 BellSouth Network Solutions, 6198 572 440 219 BellSouth Network Solutions, 20115 556 369 287 Charter Communications 852 516 1142 405 Telus Advanced Communications 7843 506 652 128 Adelphia Corp. 7132 452 7868 338 Southwestern Bell Internet Se 2386 431 582 232 AT&T Data Communications Serv 705 395 144 270 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 385 359 112 Reseau Interordinateurs Scien 22773 385 779 53 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 646 2039 539 UUNET - Commercial IP service 3320 297 2462 237 Deutsche Telekom AG 3301 277 1097 266 TeliaNet Sweden 8220 274 429 262 COLT Internet - International 1257 251 497 197 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 209 468 206 Song Networks 5515 199 843 144 Sonera Solution Autonomous Sy 8708 183 112 171 Romania Data Systems S.A. 719 179 288 102 LANLINK autonomous system 3215 178 895 69 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 167 156 116 France Telecom Transpac's Tra 6746 158 29 127 Dynamic Network Technologies, 5400 144 206 119 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 125 18 31 MobiFon S.A. 8866 120 14 8 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 11172 356 96 57 Servicios Alestra S.A de C.V 6140 345 140 67 ImpSat 8151 275 373 130 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 145 53 31 Telecom Argentina Stet-France 6505 135 90 93 Global One Communicaoes Ltda 6503 130 218 88 AVANTEL, S.A. 11992 93 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 80 5 17 Chilesat Servicios Empresari 14420 76 5 32 ANDINATEL S.A. 14535 75 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14259 67 4 5 GTD Internet S.A. 10292 65 6 24 TELECOMMUNICATIONS OF JAMAICA 7080 64 4 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 253 632 220 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 276 79 The Internetworking Company o 11845 38 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 27 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 8524 24 2 7 AUCEGYPT Autonomous System 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6347 938 840 SAVVIS Communications Corpora 18566 710 702 Covad Communications 4134 790 646 Data Communications Bureau 4323 737 532 Time Warner Communications, I 6197 703 417 BellSouth Network Solutions, 7843 506 378 Adelphia Corp. 701 1305 375 UUNET Technologies, Inc. 5668 383 366 Century Telephone 22909 390 365 Comcast Cable Corporation 27364 376 357 Armstrong Cable Services 6198 572 353 BellSouth Network Solutions, 22773 385 332 Cox Communications, Inc. Atla 9583 451 313 Satyam Infoway Ltd., 4755 365 312 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 941 304 Sprint 11172 356 299 Servicios Alestra S.A de C.V 4355 393 290 EarthLink, Inc. 9929 323 290 China Netcom Corp. 6140 345 278 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 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 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 /12:59 /13:124 /14:299 /15:518 /16:7856 /17:2058 /18:3620 /19:9410 /20:9896 /21:7260 /22:10328 /23:11735 /24:76506 /25:230 /26:252 /27:140 /28:31 /29:14 /30:69 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6347 715 938 SAVVIS Communications Corpora 18566 693 710 Covad Communications 7018 554 1435 AT&T 6197 534 703 BellSouth Network Solutions, 3356 504 890 Level 3 Communications, LLC 6198 401 572 BellSouth Network Solutions, 702 398 646 UUNET - Commercial IP service 701 373 1305 UUNET Technologies, Inc. 1239 373 941 Sprint 27364 364 376 Armstrong Cable Services 5668 335 383 Century Telephone 4766 312 491 Korea Internet Exchange for " 9583 302 451 Satyam Infoway Ltd., 20115 295 556 Charter Communications 9929 256 323 China Netcom Corp. 14824 255 281 NewSouth Communications Corp. 3320 247 297 Deutsche Telekom AG 690 246 282 Merit Network 25844 244 244 Skadden, Arps, Slate, Meagher 13609 237 278 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:826 13:1 15:5 16:2 17:3 20:8 24:749 32:65 33:1 38:70 40:54 44:3 55:1 56:3 57:16 61:427 62:501 63:1820 64:1965 65:1996 66:2609 67:329 68:497 69:557 70:64 80:494 81:309 82:174 83:68 84:2 128:145 129:186 130:79 131:177 132:21 133:1 134:181 135:17 136:182 137:92 138:154 139:44 140:164 141:125 142:117 143:47 144:89 145:42 146:303 147:78 148:418 149:120 150:91 151:72 152:165 153:64 154:1 155:117 156:60 157:60 158:144 159:147 160:52 161:57 162:380 163:77 164:179 165:156 166:94 167:217 168:223 169:106 170:285 171:8 192:5560 193:2752 194:2026 195:1374 196:558 198:3715 199:3095 200:3491 201:8 202:4636 203:5603 204:3098 205:2068 206:2283 207:2493 208:2227 209:2921 210:1425 211:566 212:977 213:1192 214:62 215:30 216:3686 217:927 218:164 219:108 220:228 221:28 222:46 End of report
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