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Routing Table Report 04:00 +10GMT Sun 25 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142817 Prefixes after maximum aggregation: 85520 Unique aggregates announced to Internet: 68674 Total ASes present in the Internet Routing Table: 17645 Origin-only ASes present in the Internet Routing Table: 15307 Origin ASes announcing only one prefix: 7171 Transit ASes present in the Internet Routing Table: 2338 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1304543712 Equivalent to 77 /8s, 193 /16s and 193 /24s Percentage of available address space announced: 35.2 Percentage of allocated address space announced: 57.8 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65718
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27572 Total APNIC prefixes after maximum aggregation: 13973 Prefixes being announced from the APNIC address blocks: 25671 Unique aggregates announced from the APNIC address blocks: 14020 APNIC Region origin ASes present in the Internet Routing Table: 2081 APNIC Region origin ASes announcing only one prefix: 621 APNIC Region transit ASes present in the Internet Routing Table: 330 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 153452800 Equivalent to 9 /8s, 37 /16s and 129 /24s Percentage of available APNIC address space announced: 70.0
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: 81498 Total ARIN prefixes after maximum aggregation: 49967 Prefixes being announced from the ARIN address blocks: 63289 Unique aggregates announced from the ARIN address blocks: 22041 ARIN Region origin ASes present in the Internet Routing Table: 9325 ARIN Region origin ASes announcing only one prefix: 3347 ARIN Region transit ASes present in the Internet Routing Table: 917 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 227950368 Equivalent to 13 /8s, 150 /16s and 63 /24s Percentage of available ARIN address space announced: 75.5
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 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: 26387 Total RIPE prefixes after maximum aggregation: 18637 Prefixes being announced from the RIPE address blocks: 23176 Unique aggregates announced from the RIPE address blocks: 15374 RIPE Region origin ASes present in the Internet Routing Table: 5689 RIPE Region origin ASes announcing only one prefix: 3070 RIPE Region transit ASes present in the Internet Routing Table: 976 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 167471296 Equivalent to 9 /8s, 251 /16s and 104 /24s Percentage of available RIPE address space announced: 58.7
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: 6150 Total LACNIC prefixes after maximum aggregation: 2258 Prefixes being announced from the LACNIC address blocks: 5818 Unique aggregates announced from the LACNIC address blocks: 3542 LACNIC Region origin ASes present in the Internet Routing Table: 385 LACNIC Region origin ASes announcing only one prefix: 112 LACNIC Region transit ASes present in the Internet Routing Table: 75 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15373568 Equivalent to 0 /8s, 234 /16s and 149 /24s Percentage of available LACNIC address space announced: 45.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1206 Total AfriNIC prefixes after maximum aggregation: 685 Prefixes being announced from the AfriNIC address blocks: 817 Unique aggregates announced from the AfriNIC address blocks: 645 AfriNIC Region origin ASes present in the Internet Routing Table: 91 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: 4.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1903616 Equivalent to 0 /8s, 29 /16s and 12 /24s Percentage of available AfriNIC address space announced: 11.3
AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 1221 818 1056 589 Telstra Pty Ltd 4134 812 4096 150 Data Communications Bureau 4766 502 2895 265 Korea Internet Exchange for " 9583 488 39 109 Satyam Infoway Ltd., 4755 398 134 54 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 329 159 31 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 316 342 245 UUNET 2764 289 258 236 connect.com.au pty ltd 7474 267 269 205 Optus Communications Pty Ltd 9942 237 71 130 COMindico Australia 9800 225 369 62 CHINA UNICOM 4802 224 25 139 Wantree Development 9498 222 48 52 BHARTI BT INTERNET LTD. 17633 207 54 8 ASN for Shandong Provincial N 10036 197 18 178 C&M Communication Co. Ltd. 4837 191 2019 105 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1423 6874 992 AT&T 701 1311 8443 944 UUNET Technologies, Inc. 6347 947 387 121 SAVVIS Communications Corpora 1239 931 2870 619 Sprint 3356 886 10929 669 Level 3 Communications, LLC 4323 741 570 212 Time Warner Communications, I 18566 731 192 8 Covad Communications 6197 722 479 301 BellSouth Network Solutions, 209 613 3427 499 Qwest 20115 566 376 291 Charter Communications 721 547 14693 257 DLA Systems Automation Center 852 511 1142 399 Telus Advanced Communications 7843 511 669 127 Adelphia Corp. 7132 485 7896 367 Southwestern Bell Internet Se 6198 449 394 203 BellSouth Network Solutions, 2386 411 533 230 AT&T Data Communications Serv 22909 397 831 34 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 705 388 128 264 UUNET Technologies, Inc. 22773 387 774 58 Cox Communications, Inc. Atla
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 648 2038 539 UUNET - Commercial IP service 3320 300 2468 237 Deutsche Telekom AG 3301 281 1098 270 TeliaNet Sweden 8220 276 433 264 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 217 747 186 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 215 484 212 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 192 113 176 Romania Data Systems S.A. 3215 182 895 70 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 172 156 114 France Telecom Transpac's Tra 6746 158 29 128 Dynamic Network Technologies, 719 150 288 102 LANLINK autonomous system 5400 146 207 121 BT Ignite European Backbone 3269 138 1131 63 TELECOM ITALIA 8866 132 15 14 Bulgarian Telecommunication C 3303 131 610 130 Swisscom Ltd 12302 128 18 32 MobiFon S.A.
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 352 99 54 Servicios Alestra S.A de C.V 6140 334 140 65 ImpSat 8151 277 389 126 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 185 86 20 Telefonica Del Peru 6505 134 90 92 Global One Communicaoes Ltda 6503 128 202 86 AVANTEL, S.A. 11664 128 11 21 Keytech SA 7303 119 55 18 Telecom Argentina Stet-France 11992 91 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 81 5 16 Chilesat Servicios Empresari 14420 81 5 31 ANDINATEL S.A. 11311 80 7 18 Sinectis S.A. 15311 75 19 37 Telefonica Empresas 5639 71 8 8 Telecommunications Services o 4270 70 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA 11340 67 5 36 Red Universitaria Nacional
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 252 632 219 The Internet Solution 5536 112 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 11845 42 9 11 Data Pro Business Online 20928 42 16 1 Noor Advanced Technologies AS 24835 31 18 6 RAYA Telecom - Egypt 16637 30 9 23 Johnnic e-Ventures 14988 28 16 1 Botswana Telecommunications C 9129 27 3 4 UUNET Kenya 6713 26 38 9 Itissalat Al-MAGHRIB 5713 25 125 23 Telkom SA Ltd 8524 24 2 7 AUCEGYPT Autonomous System 12455 23 4 2 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 12258 15 3 10 Vodacom Internet Company 15706 15 4 2 Sudatel Internet Exchange Aut 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 947 826 SAVVIS Communications Corpora 18566 731 723 Covad Communications 4134 812 662 Data Communications Bureau 4323 741 529 Time Warner Communications, I 6197 722 421 BellSouth Network Solutions, 7843 511 384 Adelphia Corp. 9583 488 379 Satyam Infoway Ltd., 701 1311 367 UUNET Technologies, Inc. 5668 383 365 Century Telephone 22909 397 363 Comcast Cable Corporation 4755 398 344 Videsh Sanchar Nigam Ltd. Aut 6467 368 335 E.Spire Communications, Inc. 27364 349 330 Armstrong Cable Services 22773 387 329 Cox Communications, Inc. Atla 1239 931 312 Sprint 17676 341 308 XTAGE CORPORATION 11172 352 298 Servicios Alestra S.A de C.V 9929 329 298 China Netcom Corp. 721 547 290 DLA Systems Automation Center 4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65534 PRIVATE 80.68.80.0/20 8943 Jump Networks Ltd. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 63330 RESERVED 213.8.224.0/23 5486 Euronet Digital Comm 63330 RESERVED 213.8.226.0/23 5486 Euronet Digital Comm
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 158.0.0.0/13 721 DLA Systems Automation Center 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 /8:18 /9:3 /10:6 /11:15 /12:61 /13:127 /14:301 /15:529 /16:7909 /17:2123 /18:3710 /19:9552 /20:10071 /21:7406 /22:10393 /23:11911 /24:77962 /25:235 /26:231 /27:126 /28:33 /29:17 /30:68 /31:0 /32:10
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 729 947 SAVVIS Communications Corpora 18566 714 731 Covad Communications 6197 553 722 BellSouth Network Solutions, 7018 548 1423 AT&T 3356 500 886 Level 3 Communications, LLC 702 397 648 UUNET - Commercial IP service 701 388 1311 UUNET Technologies, Inc. 1239 362 931 Sprint 5668 336 383 Century Telephone 27364 336 349 Armstrong Cable Services 9583 335 488 Satyam Infoway Ltd., 6198 331 449 BellSouth Network Solutions, 4766 317 502 Korea Internet Exchange for " 20115 300 566 Charter Communications 6467 267 368 E.Spire Communications, Inc. 9929 260 329 China Netcom Corp. 14824 254 278 NewSouth Communications Corp. 3320 248 300 Deutsche Telekom AG 13609 246 289 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:1 12:834 13:1 15:5 16:2 17:3 20:7 24:738 32:66 33:2 38:74 40:54 44:4 55:1 56:3 57:16 60:5 61:439 62:510 63:1889 64:2074 65:2038 66:2715 67:342 68:504 69:687 70:64 80:547 81:349 82:190 83:115 84:7 128:152 129:170 130:82 131:182 132:21 134:177 135:17 136:173 137:55 138:169 139:35 140:164 141:105 142:119 143:59 144:100 145:42 146:287 147:92 148:413 149:109 150:91 151:69 152:162 153:64 154:2 155:127 156:57 157:66 158:139 159:188 160:53 161:65 162:386 163:78 164:185 165:165 166:111 167:218 168:233 169:114 170:285 171:8 192:5554 193:2828 194:2061 195:1396 196:579 198:3643 199:3099 200:3562 201:9 202:4768 203:5668 204:3118 205:2085 206:2264 207:2501 208:2175 209:3055 210:1459 211:575 212:1001 213:1189 214:69 215:30 216:3767 217:982 218:171 219:123 220:221 221:30 222:102
End of report
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