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Routing Table Report 04:00 +10GMT Sun 03 Oct, 2004
Analysis Summary ----------------
BGP routing table entries examined: 148499 Prefixes after maximum aggregation: 87760 Unique aggregates announced to Internet: 70054 Total ASes present in the Internet Routing Table: 18151 Origin-only ASes present in the Internet Routing Table: 15769 Origin ASes announcing only one prefix: 7356 Transit ASes present in the Internet Routing Table: 2382 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 23 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: 15 Number of addresses announced to Internet: 1343560612 Equivalent to 80 /8s, 21 /16s and 27 /24s Percentage of available address space announced: 36.2 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 68381
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 28487 Total APNIC prefixes after maximum aggregation: 14240 Prefixes being announced from the APNIC address blocks: 26649 Unique aggregates announced from the APNIC address blocks: 14220 APNIC Region origin ASes present in the Internet Routing Table: 2136 APNIC Region origin ASes announcing only one prefix: 635 APNIC Region transit ASes present in the Internet Routing Table: 326 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 164327040 Equivalent to 9 /8s, 203 /16s and 110 /24s Percentage of available APNIC address space announced: 75.0
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: 84879 Total ARIN prefixes after maximum aggregation: 51359 Prefixes being announced from the ARIN address blocks: 65059 Unique aggregates announced from the ARIN address blocks: 22934 ARIN Region origin ASes present in the Internet Routing Table: 9593 ARIN Region origin ASes announcing only one prefix: 3437 ARIN Region transit ASes present in the Internet Routing Table: 921 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 233124608 Equivalent to 13 /8s, 229 /16s and 51 /24s Percentage of available ARIN address space announced: 69.5
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, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 27528 Total RIPE prefixes after maximum aggregation: 19137 Prefixes being announced from the RIPE address blocks: 24371 Unique aggregates announced from the RIPE address blocks: 15374 RIPE Region origin ASes present in the Internet Routing Table: 5865 RIPE Region origin ASes announcing only one prefix: 3152 RIPE Region transit ASes present in the Internet Routing Table: 1014 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 173459008 Equivalent to 10 /8s, 86 /16s and 198 /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: 6345 Total LACNIC prefixes after maximum aggregation: 2338 Prefixes being announced from the LACNIC address blocks: 6181 Unique aggregates announced from the LACNIC address blocks: 3646 LACNIC Region origin ASes present in the Internet Routing Table: 392 LACNIC Region origin ASes announcing only one prefix: 112 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 16197120 Equivalent to 0 /8s, 247 /16s and 38 /24s Percentage of available LACNIC address space announced: 48.3
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1252 Total AfriNIC prefixes after maximum aggregation: 686 Prefixes being announced from the AfriNIC address blocks: 885 Unique aggregates announced from the AfriNIC address blocks: 676 AfriNIC Region origin ASes present in the Internet Routing Table: 92 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: 4.5 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1999104 Equivalent to 0 /8s, 30 /16s and 129 /24s Percentage of available AfriNIC address space announced: 11.9
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 839 4389 159 Data Communications Bureau 1221 809 1184 581 Telstra Pty Ltd 4766 544 3408 266 Korea Internet Exchange for " 9583 530 41 106 Satyam Infoway Ltd., 17676 370 5532 52 XTAGE CORPORATION 4755 365 132 49 Videsh Sanchar Nigam Ltd. Aut 2907 354 1857 328 SINET Japan 9443 354 69 80 Primus Telecommunications 9929 344 161 33 China Netcom Corp. 703 312 342 241 UUNET 17557 312 23 156 Pakistan Telecom 2764 283 274 232 connect.com.au pty ltd 7474 271 269 202 Optus Communications Pty Ltd 9942 240 73 129 COMindico Australia 4802 232 28 141 Wantree Development 9800 230 374 67 CHINA UNICOM 9498 223 49 47 BHARTI BT INTERNET LTD. 7563 212 48 163 Korea Internet Infrastructure 17974 203 62 10 PT TELEKOMUNIKASI INDONESIA 4837 202 2264 106 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1406 6744 979 AT&T WorldNet Services 701 1273 8448 920 UUNET Technologies, Inc. 1239 939 2867 623 Sprint 3549 847 563 206 Global Crossing 2386 840 530 599 AT&T Data Communications Serv 4323 796 637 218 Time Warner Telecom 6197 780 373 350 BellSouth Network Solutions, 18566 743 208 6 Covad Communications 721 723 21028 298 DLA Systems Automation Center 3561 634 2513 432 Cable & Wireless USA 209 630 3465 498 Qwest 3356 588 10923 447 Level 3 Communications, LLC 20115 587 425 300 Charter Communications 852 512 1142 398 Telus Advanced Communications 7843 489 681 98 Adelphia Corp. 7132 435 8157 377 SBC Internet Services 705 431 163 273 UUNET Technologies, Inc. 6198 431 396 200 BellSouth Network Solutions, 22773 401 960 18 Cox Communications, Inc. Atla 5668 398 87 18 Century Telephone
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 637 2031 527 UUNET - Commercial IP service 3320 300 2470 237 Deutsche Telekom AG 8220 282 461 268 COLT Internet - International 3301 281 1100 271 TeliaNet Sweden 21502 268 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 1257 208 744 178 SWIPnet Swedish IP Network 8708 205 113 182 Romania Data Systems S.A. 5515 201 843 147 Sonera Solution Autonomous Sy 3215 189 876 76 France Telecom Transpac 786 176 1794 176 The JANET IP Service 719 157 288 102 LANLINK autonomous system 6746 151 29 128 Dynamic Network Technologies, 8866 150 18 19 Bulgarian Telecommunication C 25186 149 154 106 France Telecom Transpac's Tra 3269 147 1227 67 TELECOM ITALIA 5400 147 207 119 BT Ignite European Backbone 3303 146 609 129 Swisscom Ltd
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 371 139 69 ImpSat 8151 303 439 129 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 203 99 52 Servicios Alestra S.A de C.V 6147 193 90 20 Telefonica Del Peru 11664 163 12 35 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 7303 129 58 23 Telecom Argentina Stet-France 6503 126 164 85 AVANTEL, S.A. 11992 90 9 31 Integrated Systems 6535 85 7 19 Chilesat Servicios Empresari 11311 84 8 24 Sinectis S.A. 10481 81 32 7 Prima S.A. 11556 81 41 3 Cable-Wireless Panama 14420 80 5 33 ANDINATEL S.A. 5639 77 8 8 Telecommunications Services o 15311 76 21 36 Telefonica Empresas 27716 74 9 12 Eveloz 10292 71 6 27 TELECOMMUNICATIONS OF JAMAICA 14117 71 6 4 Telefonica del Sur 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 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 22750 50 3 2 >>UNKNOWN<< 6713 31 42 10 Itissalat Al-MAGHRIB 9129 31 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 14988 25 16 1 Botswana Telecommunications C 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 21491 16 1 3 UTL On-line is RF broadband I 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 24835 15 18 5 RAYA Telecom - Egypt 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 839 680 Data Communications Bureau 3549 847 641 Global Crossing 4323 796 578 Time Warner Telecom 6197 780 430 BellSouth Network Solutions, 721 723 425 DLA Systems Automation Center 9583 530 424 Satyam Infoway Ltd., 7843 489 391 Adelphia Corp. 22773 401 383 Cox Communications, Inc. Atla 5668 398 380 Century Telephone 27364 395 376 Armstrong Cable Services 6467 391 360 E.Spire Communications, Inc. 701 1273 353 UUNET Technologies, Inc. 22909 381 347 Comcast Cable Corporation 17676 370 318 XTAGE CORPORATION 1239 939 316 Sprint 4755 365 316 Videsh Sanchar Nigam Ltd. Aut 9929 344 311 China Netcom Corp. 6140 371 302 ImpSat 6478 370 296 AT&T Worldnet Services
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 65010 PRIVATE 64.192.10.0/23 7911 Williams Communicati 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 192.135.50.0/24 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 /8:20 /9:3 /10:6 /11:15 /12:62 /13:133 /14:306 /15:546 /16:8072 /17:2240 /18:3883 /19:9828 /20:10340 /21:7846 /22:10840 /23:12480 /24:81094 /25:235 /26:206 /27:114 /28:51 /29:32 /30:98 /31:0 /32:49
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 728 743 Covad Communications 6197 631 780 BellSouth Network Solutions, 2386 606 840 AT&T Data Communications Serv 7018 555 1406 AT&T WorldNet Services 3549 448 847 Global Crossing 702 388 637 UUNET - Commercial IP service 27364 379 395 Armstrong Cable Services 1239 375 939 Sprint 9583 368 530 Satyam Infoway Ltd., 4766 363 544 Korea Internet Exchange for " 701 352 1273 UUNET Technologies, Inc. 5668 346 398 Century Telephone 6198 317 431 BellSouth Network Solutions, 20115 299 587 Charter Communications 6467 289 391 E.Spire Communications, Inc. 9929 275 344 China Netcom Corp. 6517 265 292 Yipes Communications, Inc. 13609 265 308 Choice One Communications Inc 21502 265 268 NUMERICABLE is a cabled netwo 3561 257 634 Cable & Wireless USA
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:7 12:1403 13:1 15:5 16:2 17:3 18:1 20:6 24:722 32:66 33:2 38:79 40:54 44:3 47:2 52:3 55:1 56:3 57:17 60:6 61:519 62:489 63:1853 64:2538 65:2058 66:2510 67:413 68:548 69:719 70:80 80:524 81:551 82:313 83:172 84:32 111:1 128:118 129:169 130:87 131:185 132:33 134:164 135:17 136:182 137:55 138:182 139:36 140:187 141:107 142:120 143:67 144:160 145:42 146:324 147:94 148:326 149:108 150:87 151:65 152:153 153:65 154:2 155:128 156:58 157:73 158:142 159:162 160:56 161:68 162:374 163:80 164:211 165:161 166:118 167:223 168:357 169:120 170:272 171:9 192:5574 193:2905 194:2122 195:1503 196:644 198:3675 199:3290 200:3692 201:20 202:4867 203:5681 204:3329 205:2091 206:2436 207:2632 208:2279 209:2983 210:1484 211:638 212:1112 213:1191 214:132 215:31 216:3675 217:1039 218:175 219:101 220:256 221:37 222:43
End of report
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