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Routing Table Report 04:00 +10GMT Mon 29 Nov, 2004
Analysis Summary ----------------
BGP routing table entries examined: 150975 Prefixes after maximum aggregation: 89346 Unique aggregates announced to Internet: 72402 Total ASes present in the Internet Routing Table: 18519 Origin-only ASes present in the Internet Routing Table: 16066 Origin ASes announcing only one prefix: 7559 Transit ASes present in the Internet Routing Table: 2453 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 23 Prefixes from unregistered ASNs in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1355816552 Equivalent to 80 /8s, 208 /16s and 30 /24s Percentage of available address space announced: 36.6 Percentage of allocated address space announced: 59.1 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 69635
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 29357 Total APNIC prefixes after maximum aggregation: 14461 Prefixes being announced from the APNIC address blocks: 27409 Unique aggregates announced from the APNIC address blocks: 14318 APNIC Region origin ASes present in the Internet Routing Table: 2162 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 332 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 167641344 Equivalent to 9 /8s, 254 /16s and 1 /24s Percentage of available APNIC address space announced: 76.5
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: 85446 Total ARIN prefixes after maximum aggregation: 52161 Prefixes being announced from the ARIN address blocks: 65547 Unique aggregates announced from the ARIN address blocks: 23601 ARIN Region origin ASes present in the Internet Routing Table: 9735 ARIN Region origin ASes announcing only one prefix: 3524 ARIN Region transit ASes present in the Internet Routing Table: 956 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 235760128 Equivalent to 14 /8s, 13 /16s and 106 /24s Percentage of available ARIN address space announced: 70.3
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: 28316 Total RIPE prefixes after maximum aggregation: 19675 Prefixes being announced from the RIPE address blocks: 25082 Unique aggregates announced from the RIPE address blocks: 16454 RIPE Region origin ASes present in the Internet Routing Table: 6058 RIPE Region origin ASes announcing only one prefix: 3248 RIPE Region transit ASes present in the Internet Routing Table: 1043 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 181128704 Equivalent to 10 /8s, 203 /16s and 206 /24s Percentage of available RIPE address space announced: 63.5
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: 6582 Total LACNIC prefixes after maximum aggregation: 2350 Prefixes being announced from the LACNIC address blocks: 6448 Unique aggregates announced from the LACNIC address blocks: 3976 LACNIC Region origin ASes present in the Internet Routing Table: 403 LACNIC Region origin ASes announcing only one prefix: 118 LACNIC Region transit ASes present in the Internet Routing Table: 79 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 16744704 Equivalent to 0 /8s, 255 /16s and 129 /24s Percentage of available LACNIC address space announced: 49.9
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1256 Total AfriNIC prefixes after maximum aggregation: 699 Prefixes being announced from the AfriNIC address blocks: 862 Unique aggregates announced from the AfriNIC address blocks: 669 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 21 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: 12 Number of AfriNIC addresses announced to Internet: 2072576 Equivalent to 0 /8s, 31 /16s and 160 /24s Percentage of available AfriNIC address space announced: 12.4
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 862 4405 163 Data Communications Bureau 1221 791 1182 568 Telstra Pty Ltd 9583 553 47 40 Satyam Infoway Ltd., 4766 547 3408 268 Korea Internet Exchange for " 4755 390 134 68 Videsh Sanchar Nigam Ltd. Aut 17676 384 5756 57 XTAGE CORPORATION 9443 356 69 80 Primus Telecommunications 2907 353 1857 327 SINET Japan 9929 349 162 34 China Netcom Corp. 703 320 350 245 UUNET 17557 318 23 156 Pakistan Telecom 2764 283 272 231 connect.com.au pty ltd 7474 268 268 201 Optus Communications Pty Ltd 4802 234 28 142 Wantree Development 9800 231 380 70 CHINA UNICOM 7563 230 48 166 Korea Internet Infrastructure 9942 229 72 123 COMindico Australia 9498 226 81 52 BHARTI BT INTERNET LTD. 10036 217 20 198 C&M Communication Co. Ltd. 17488 213 13 13 Hathway IP Over Cable Interne
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1421 6632 983 AT&T WorldNet Services 701 1238 8384 884 UUNET Technologies, Inc. 1239 916 2879 605 Sprint 2386 848 530 610 AT&T Data Communications Serv 721 833 10632 439 DLA Systems Automation Center 4323 809 672 221 Time Warner Telecom 6197 809 381 352 BellSouth Network Solutions, 18566 754 208 6 Covad Communications 209 655 3427 507 Qwest 3356 637 10947 462 Level 3 Communications, LLC 20115 592 461 316 Charter Communications 3561 549 2376 417 Cable & Wireless USA 852 519 1142 399 Telus Advanced Communications 7843 477 724 89 Adelphia Corp. 7132 452 8290 384 SBC Internet Services 27364 445 36 19 Armstrong Cable Services 6198 440 378 204 BellSouth Network Solutions, 6478 435 775 96 AT&T Worldnet Services 5668 417 87 18 Century Telephone 22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 633 2026 523 UUNET - Commercial IP service 3320 303 2997 237 Deutsche Telekom AG 3301 281 1100 272 TeliaNet Sweden 8220 280 464 265 COLT Internet - International 21502 273 40 3 NUMERICABLE is a cabled netwo 3300 257 167 82 AUCS Communications Services 680 251 2025 239 DFN-IP service G-WiN 3246 220 478 216 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 210 722 175 SWIPnet Swedish IP Network 8708 202 116 186 Romania Data Systems S.A. 5515 193 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 163 972 78 France Telecom Transpac 8866 160 20 7 Bulgarian Telecommunication C 719 158 322 105 LANLINK autonomous system 6746 158 46 128 Dynamic Network Technologies, 3269 153 1297 69 TELECOM ITALIA 25186 148 154 104 France Telecom Transpac's Tra 3303 131 611 128 Swisscom Ltd
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 347 139 80 ImpSat 8151 309 471 135 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 210 99 55 Servicios Alestra S.A de C.V 6147 192 94 20 Telefonica Del Peru 11664 154 12 30 Keytech SA 7303 143 66 23 Telecom Argentina Stet-France 6505 139 90 96 Global One Communicaoes Ltda 6503 125 148 84 AVANTEL, S.A. 11992 103 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 97 48 3 Cable-Wireless Panama 11311 86 8 23 Sinectis S.A. 6535 85 7 18 Chilesat Servicios Empresari 13999 83 52 9 Mega Cable S.A. de C.V. 10481 82 32 7 Prima S.A. 4270 78 17 8 Red de Interconexion Universi 5639 77 8 8 Telecommunications Services o 15311 77 23 37 Telefonica Empresas 10292 70 6 24 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 268 636 225 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 98 276 72 The Internetworking Company o 20928 56 16 1 Noor Advanced Technologies AS 24835 42 34 7 RAYA Telecom - Egypt 9129 35 3 4 UUNET Kenya 6713 30 38 9 Itissalat Al-MAGHRIB 5713 28 141 25 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 12455 19 4 3 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 8452 17 20 5 TEDATA 21280 16 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 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 18566 754 748 Covad Communications 4134 862 699 Data Communications Bureau 4323 809 588 Time Warner Telecom 9583 553 513 Satyam Infoway Ltd., 6197 809 457 BellSouth Network Solutions, 27364 445 426 Armstrong Cable Services 5668 417 399 Century Telephone 721 833 394 DLA Systems Automation Center 7843 477 388 Adelphia Corp. 22773 405 385 Cox Communications, Inc. Atla 22909 415 356 Comcast Cable Corporation 701 1238 354 UUNET Technologies, Inc. 6467 380 349 E.Spire Communications, Inc. 6478 435 339 AT&T Worldnet Services 17676 384 327 XTAGE CORPORATION 4755 390 322 Videsh Sanchar Nigam Ltd. Aut 9929 349 315 China Netcom Corp. 1239 916 311 Sprint 4355 392 293 EarthLink, Inc. 4766 547 279 Korea Internet Exchange for "
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65512 PRIVATE 198.202.65.0/24 195 San Diego Supercompu 65512 PRIVATE 198.202.66.0/24 195 San Diego Supercompu 65512 PRIVATE 198.202.67.0/24 195 San Diego Supercompu 65512 PRIVATE 198.202.68.0/24 195 San Diego Supercompu 65512 PRIVATE 198.202.69.0/24 195 San Diego Supercompu 65512 PRIVATE 198.202.70.0/24 195 San Diego Supercompu 65512 PRIVATE 199.165.16.0/24 195 San Diego Supercompu 65512 PRIVATE 199.165.16.0/20 195 San Diego Supercompu 65512 PRIVATE 199.165.17.0/24 195 San Diego Supercompu 64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc. 65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd 65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies, 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net 65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 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 192.172.0.0/19 568 DISO-UNRRA 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 /10:7 /11:15 /12:61 /13:140 /14:315 /15:557 /16:8097 /17:2278 /18:3976 /19:9880 /20:10456 /21:8034 /22:11097 /23:12701 /24:82472 /25:263 /26:228 /27:116 /28:58 /29:39 /30:121 /31:0 /32:42
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 739 754 Covad Communications 6197 657 809 BellSouth Network Solutions, 2386 612 848 AT&T Data Communications Serv 7018 579 1421 AT&T WorldNet Services 27364 430 445 Armstrong Cable Services 702 389 633 UUNET - Commercial IP service 9583 384 553 Satyam Infoway Ltd., 1239 367 916 Sprint 4766 367 547 Korea Internet Exchange for " 5668 360 417 Century Telephone 701 358 1238 UUNET Technologies, Inc. 6198 321 440 BellSouth Network Solutions, 6467 289 380 E.Spire Communications, Inc. 6517 279 302 Yipes Communications, Inc. 9929 278 349 China Netcom Corp. 20115 271 592 Charter Communications 13609 270 312 Choice One Communications Inc 21502 270 273 NUMERICABLE is a cabled netwo 4323 259 809 Time Warner Telecom 11456 256 301 Carolina Online, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:10 12:1431 13:1 15:5 16:2 17:3 20:5 24:753 32:71 33:1 38:84 40:55 44:3 47:2 52:3 55:1 56:3 57:23 60:3 61:642 62:503 63:1841 64:2483 65:2063 66:2475 67:459 68:537 69:804 70:42 72:10 80:525 81:567 82:351 83:206 84:56 85:4 128:107 129:165 130:88 131:174 132:26 134:185 135:30 136:187 137:78 138:190 139:36 140:221 141:107 142:131 143:120 144:112 145:43 146:281 147:94 148:346 149:110 150:93 151:62 152:129 153:68 154:2 155:130 156:62 157:65 158:134 159:162 160:57 161:73 162:379 163:82 164:203 165:163 166:119 167:222 168:351 169:122 170:314 171:9 192:5659 193:2960 194:2181 195:1549 196:584 198:3865 199:3307 200:3825 201:25 202:4930 203:5794 204:3556 205:2070 206:2309 207:2606 208:2100 209:3090 210:1515 211:651 212:1137 213:1229 214:226 215:30 216:3721 217:1053 218:179 219:84 220:286 221:67 222:21
End of report
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