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Routing Table Report 04:00 +10GMT Tue 27 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142817 Prefixes after maximum aggregation: 85611 Unique aggregates announced to Internet: 68701 Total ASes present in the Internet Routing Table: 17671 Origin-only ASes present in the Internet Routing Table: 15338 Origin ASes announcing only one prefix: 7174 Transit ASes present in the Internet Routing Table: 2333 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: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1305083552 Equivalent to 77 /8s, 201 /16s and 254 /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: 65533
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27349 Total APNIC prefixes after maximum aggregation: 13942 Prefixes being announced from the APNIC address blocks: 25589 Unique aggregates announced from the APNIC address blocks: 14034 APNIC Region origin ASes present in the Internet Routing Table: 2083 APNIC Region origin ASes announcing only one prefix: 621 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: 16 Number of APNIC addresses announced to Internet: 153654784 Equivalent to 9 /8s, 40 /16s and 150 /24s Percentage of available APNIC address space announced: 70.1
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: 81700 Total ARIN prefixes after maximum aggregation: 50057 Prefixes being announced from the ARIN address blocks: 63454 Unique aggregates announced from the ARIN address blocks: 22020 ARIN Region origin ASes present in the Internet Routing Table: 9341 ARIN Region origin ASes announcing only one prefix: 3348 ARIN Region transit ASes present in the Internet Routing Table: 919 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 227977248 Equivalent to 13 /8s, 150 /16s and 168 /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: 26394 Total RIPE prefixes after maximum aggregation: 18676 Prefixes being announced from the RIPE address blocks: 23180 Unique aggregates announced from the RIPE address blocks: 15400 RIPE Region origin ASes present in the Internet Routing Table: 5694 RIPE Region origin ASes announcing only one prefix: 3071 RIPE Region transit ASes present in the Internet Routing Table: 970 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 167588032 Equivalent to 9 /8s, 253 /16s and 48 /24s Percentage of available RIPE address space announced: 58.8
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: 6161 Total LACNIC prefixes after maximum aggregation: 2257 Prefixes being announced from the LACNIC address blocks: 5831 Unique aggregates announced from the LACNIC address blocks: 3551 LACNIC Region origin ASes present in the Internet Routing Table: 387 LACNIC Region origin ASes announcing only one prefix: 113 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15371520 Equivalent to 0 /8s, 234 /16s and 141 /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: 1210 Total AfriNIC prefixes after maximum aggregation: 679 Prefixes being announced from the AfriNIC address blocks: 818 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 816 1056 589 Telstra Pty Ltd 4134 812 4096 150 Data Communications Bureau 4766 502 2895 265 Korea Internet Exchange for " 9583 489 39 109 Satyam Infoway Ltd., 4755 393 133 51 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 287 258 234 connect.com.au pty ltd 7474 268 269 206 Optus Communications Pty Ltd 9942 237 71 130 COMindico Australia 9800 225 369 62 CHINA UNICOM 9498 222 49 50 BHARTI BT INTERNET LTD. 4802 220 25 135 Wantree Development 17633 216 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 1417 6871 988 AT&T 701 1280 8441 921 UUNET Technologies, Inc. 6347 951 390 100 SAVVIS Communications Corpora 1239 938 2871 624 Sprint 3356 887 10929 670 Level 3 Communications, LLC 4323 741 570 212 Time Warner Communications, I 18566 733 192 8 Covad Communications 6197 722 479 302 BellSouth Network Solutions, 209 613 3411 498 Qwest 721 572 20768 262 DLA Systems Automation Center 20115 566 376 291 Charter Communications 852 511 1142 399 Telus Advanced Communications 7843 511 669 127 Adelphia Corp. 7132 486 7897 368 Southwestern Bell Internet Se 6198 450 395 204 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. 22773 389 775 60 Cox Communications, Inc. Atla 705 387 128 263 UUNET Technologies, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 646 2038 537 UUNET - Commercial IP service 3320 300 2468 237 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 276 433 263 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 1257 215 731 184 SWIPnet Swedish IP Network 3246 215 484 212 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 193 113 177 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 157 29 128 Dynamic Network Technologies, 719 150 288 102 LANLINK autonomous system 5400 147 207 121 BT Ignite European Backbone 3269 137 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 186 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 25 2 4 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 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 6347 951 851 SAVVIS Communications Corpora 18566 733 725 Covad Communications 4134 812 662 Data Communications Bureau 4323 741 529 Time Warner Communications, I 6197 722 420 BellSouth Network Solutions, 7843 511 384 Adelphia Corp. 9583 489 380 Satyam Infoway Ltd., 5668 383 365 Century Telephone 22909 397 363 Comcast Cable Corporation 701 1280 359 UUNET Technologies, Inc. 4755 393 342 Videsh Sanchar Nigam Ltd. Aut 6467 367 334 E.Spire Communications, Inc. 27364 349 330 Armstrong Cable Services 22773 389 329 Cox Communications, Inc. Atla 1239 938 314 Sprint 721 572 310 DLA Systems Automation Center 17676 341 308 XTAGE CORPORATION 11172 352 298 Servicios Alestra S.A de C.V 9929 329 298 China Netcom Corp. 4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 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 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 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 /15:531 /16:7916 /17:2129 /18:3712 /19:9563 /20:10083 /21:7413 /22:10405 /23:11899 /24:78018 /25:220 /26:199 /27:100 /28:34 /29:9 /30:49 /31:0 /32:6
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 730 951 SAVVIS Communications Corpora 18566 716 733 Covad Communications 6197 553 722 BellSouth Network Solutions, 7018 541 1417 AT&T 3356 502 887 Level 3 Communications, LLC 702 396 646 UUNET - Commercial IP service 1239 369 938 Sprint 701 359 1280 UUNET Technologies, Inc. 5668 336 383 Century Telephone 9583 336 489 Satyam Infoway Ltd., 27364 336 349 Armstrong Cable Services 6198 332 450 BellSouth Network Solutions, 4766 317 502 Korea Internet Exchange for " 20115 300 566 Charter Communications 6467 266 367 E.Spire Communications, Inc. 9929 260 329 China Netcom Corp. 14824 254 278 NewSouth Communications Corp. 3320 248 300 Deutsche Telekom AG 13609 248 291 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:1 12:836 13:1 15:5 16:2 17:3 20:7 24:727 32:66 33:2 38:73 40:54 44:4 55:1 56:3 57:16 60:5 61:437 62:509 63:1889 64:2070 65:2042 66:2720 67:346 68:506 69:674 70:64 80:547 81:352 82:187 83:115 84:7 128:153 129:171 130:81 131:183 132:23 134:179 135:17 136:174 137:55 138:169 139:35 140:164 141:105 142:119 143:60 144:100 145:42 146:283 147:93 148:417 149:110 150:90 151:69 152:162 153:64 154:2 155:128 156:57 157:66 158:139 159:147 160:53 161:65 162:387 163:77 164:185 165:166 166:111 167:218 168:233 169:114 170:285 171:8 192:5556 193:2832 194:2066 195:1400 196:580 198:3648 199:3251 200:3574 201:9 202:4775 203:5658 204:3106 205:2082 206:2263 207:2504 208:2174 209:3056 210:1398 211:572 212:972 213:1187 214:74 215:30 216:3768 217:991 218:171 219:123 220:222 221:30 222:113
End of report
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