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Routing Table Report 04:00 +10GMT Tue 30 Nov, 2004
Analysis Summary ----------------
BGP routing table entries examined: 151510 Prefixes after maximum aggregation: 89267 Unique aggregates announced to Internet: 72534 Total ASes present in the Internet Routing Table: 18535 Origin-only ASes present in the Internet Routing Table: 16078 Origin ASes announcing only one prefix: 7566 Transit ASes present in the Internet Routing Table: 2457 Transit-only ASes present in the Internet Routing Table: 73 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: 16 Number of addresses announced to Internet: 1356796264 Equivalent to 80 /8s, 223 /16s and 17 /24s Percentage of available address space announced: 36.6 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 69949
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 29379 Total APNIC prefixes after maximum aggregation: 14478 Prefixes being announced from the APNIC address blocks: 27439 Unique aggregates announced from the APNIC address blocks: 14346 APNIC Region origin ASes present in the Internet Routing Table: 2163 APNIC Region origin ASes announcing only one prefix: 649 APNIC Region transit ASes present in the Internet Routing Table: 333 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 167834112 Equivalent to 10 /8s, 0 /16s and 242 /24s Percentage of available APNIC address space announced: 76.6
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: 85855 Total ARIN prefixes after maximum aggregation: 52028 Prefixes being announced from the ARIN address blocks: 65720 Unique aggregates announced from the ARIN address blocks: 23602 ARIN Region origin ASes present in the Internet Routing Table: 9743 ARIN Region origin ASes announcing only one prefix: 3530 ARIN Region transit ASes present in the Internet Routing Table: 957 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 235848704 Equivalent to 14 /8s, 14 /16s and 196 /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: 28395 Total RIPE prefixes after maximum aggregation: 19693 Prefixes being announced from the RIPE address blocks: 25162 Unique aggregates announced from the RIPE address blocks: 16517 RIPE Region origin ASes present in the Internet Routing Table: 6065 RIPE Region origin ASes announcing only one prefix: 3248 RIPE Region transit ASes present in the Internet Routing Table: 1045 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 181163264 Equivalent to 10 /8s, 204 /16s and 85 /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: 6609 Total LACNIC prefixes after maximum aggregation: 2367 Prefixes being announced from the LACNIC address blocks: 6470 Unique aggregates announced from the LACNIC address blocks: 3997 LACNIC Region origin ASes present in the Internet Routing Table: 402 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: 4.9 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 16749568 Equivalent to 0 /8s, 255 /16s and 148 /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: 1254 Total AfriNIC prefixes after maximum aggregation: 701 Prefixes being announced from the AfriNIC address blocks: 859 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 863 4421 164 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 388 132 67 Videsh Sanchar Nigam Ltd. Aut 17676 387 5804 57 XTAGE CORPORATION 9443 356 69 80 Primus Telecommunications 2907 354 1857 328 SINET Japan 9929 349 162 34 China Netcom Corp. 703 322 350 247 UUNET 17557 317 23 155 Pakistan Telecom 2764 283 272 231 connect.com.au pty ltd 7474 270 268 201 Optus Communications Pty Ltd 4802 233 28 141 Wantree Development 9800 232 381 71 CHINA UNICOM 9498 229 81 53 BHARTI BT INTERNET LTD. 9942 229 72 123 COMindico Australia 7563 228 48 165 Korea Internet Infrastructure 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 1231 8384 881 UUNET Technologies, Inc. 721 1039 21084 305 DLA Systems Automation Center 1239 917 2879 605 Sprint 2386 851 531 612 AT&T Data Communications Serv 6197 810 381 352 BellSouth Network Solutions, 4323 809 672 221 Time Warner Telecom 18566 754 208 6 Covad Communications 209 655 3427 507 Qwest 3356 637 10961 462 Level 3 Communications, LLC 20115 592 461 316 Charter Communications 3561 549 2376 417 Cable & Wireless USA 852 520 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 439 775 99 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 130 611 127 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 191 94 20 Telefonica Del Peru 11664 155 12 30 Keytech SA 7303 143 66 23 Telecom Argentina Stet-France 6505 141 90 97 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 14420 76 5 41 ANDINATEL S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 269 636 226 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 94 276 73 The Internetworking Company o 20928 56 16 1 Noor Advanced Technologies AS 24835 42 34 7 RAYA Telecom - Egypt 9129 34 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 12455 22 4 3 Jambonet Autonomous system 16637 22 10 19 Johnnic e-Ventures 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 721 1039 734 DLA Systems Automation Center 4134 863 699 Data Communications Bureau 4323 809 588 Time Warner Telecom 9583 553 513 Satyam Infoway Ltd., 6197 810 458 BellSouth Network Solutions, 27364 445 426 Armstrong Cable Services 5668 417 399 Century Telephone 7843 477 388 Adelphia Corp. 22773 405 385 Cox Communications, Inc. Atla 22909 415 356 Comcast Cable Corporation 701 1231 350 UUNET Technologies, Inc. 6467 379 348 E.Spire Communications, Inc. 6478 439 340 AT&T Worldnet Services 17676 387 330 XTAGE CORPORATION 4755 388 321 Videsh Sanchar Nigam Ltd. Aut 9929 349 315 China Netcom Corp. 1239 917 312 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 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 189.186.184.0/24 4471 Michigan Internet Cooperative 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 192.172.0.0/19 721 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 /10:7 /11:15 /12:61 /13:140 /14:315 /15:557 /16:8162 /17:2282 /18:3977 /19:9884 /20:10446 /21:8059 /22:11115 /23:12728 /24:82873 /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 658 810 BellSouth Network Solutions, 2386 614 851 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 368 917 Sprint 4766 367 547 Korea Internet Exchange for " 5668 360 417 Century Telephone 701 358 1231 UUNET Technologies, Inc. 6198 321 440 BellSouth Network Solutions, 6467 289 379 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 12:1437 13:1 15:5 16:2 17:3 20:5 24:756 32:71 33:2 38:84 40:55 44:3 47:2 52:3 55:1 56:3 57:23 60:3 61:644 62:507 63:1842 64:2483 65:2070 66:2477 67:461 68:537 69:806 70:42 72:10 80:525 81:570 82:359 83:208 84:59 85:3 128:115 129:165 130:88 131:191 132:29 134:185 135:30 136:187 137:78 138:191 139:36 140:222 141:107 142:132 143:120 144:164 145:43 146:282 147:94 148:350 149:111 150:93 151:62 152:129 153:68 154:2 155:130 156:62 157:70 158:135 159:161 160:59 161:73 162:379 163:84 164:218 165:170 166:122 167:221 168:350 169:124 170:314 171:9 189:1 192:5667 193:2964 194:2185 195:1550 196:584 198:3910 199:3316 200:3847 201:25 202:4935 203:5803 204:3576 205:2090 206:2316 207:2621 208:2101 209:3100 210:1516 211:650 212:1165 213:1232 214:225 215:31 216:3718 217:1073 218:179 219:84 220:290 221:67 222:21
End of report
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