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Routing Table Report 04:00 +10GMT Mon 14 Feb, 2005
Analysis Summary ----------------
BGP routing table entries examined: 155571 Prefixes after maximum aggregation: 90700 Unique aggregates announced to Internet: 74548 Total ASes present in the Internet Routing Table: 18958 Origin-only ASes present in the Internet Routing Table: 16482 Origin ASes announcing only one prefix: 7724 Transit ASes present in the Internet Routing Table: 2476 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 24 Prefixes from unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1374661192 Equivalent to 81 /8s, 239 /16s and 170 /24s Percentage of available address space announced: 37.1 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72376
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 30992 Total APNIC prefixes after maximum aggregation: 14933 Prefixes being announced from the APNIC address blocks: 29047 Unique aggregates announced from the APNIC address blocks: 14674 APNIC Region origin ASes present in the Internet Routing Table: 2205 APNIC Region origin ASes announcing only one prefix: 645 APNIC Region transit ASes present in the Internet Routing Table: 324 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 173992832 Equivalent to 10 /8s, 94 /16s and 235 /24s Percentage of available APNIC address space announced: 64.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 87047 Total ARIN prefixes after maximum aggregation: 52347 Prefixes being announced from the ARIN address blocks: 66278 Unique aggregates announced from the ARIN address blocks: 24081 ARIN Region origin ASes present in the Internet Routing Table: 9862 ARIN Region origin ASes announcing only one prefix: 3589 ARIN Region transit ASes present in the Internet Routing Table: 949 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 240870144 Equivalent to 14 /8s, 91 /16s and 99 /24s Percentage of available ARIN address space announced: 71.8
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, 29696-30719, 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: 29364 Total RIPE prefixes after maximum aggregation: 20302 Prefixes being announced from the RIPE address blocks: 26317 Unique aggregates announced from the RIPE address blocks: 17471 RIPE Region origin ASes present in the Internet Routing Table: 6300 RIPE Region origin ASes announcing only one prefix: 3338 RIPE Region transit ASes present in the Internet Routing Table: 1073 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 187880256 Equivalent to 11 /8s, 50 /16s and 211 /24s Percentage of available RIPE address space announced: 65.9
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: 6828 Total LACNIC prefixes after maximum aggregation: 2410 Prefixes being announced from the LACNIC address blocks: 6729 Unique aggregates announced from the LACNIC address blocks: 3996 LACNIC Region origin ASes present in the Internet Routing Table: 420 LACNIC Region origin ASes announcing only one prefix: 129 LACNIC Region transit ASes present in the Internet Routing Table: 82 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17408256 Equivalent to 1 /8s, 9 /16s and 161 /24s Percentage of available LACNIC address space announced: 51.9
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1322 Total AfriNIC prefixes after maximum aggregation: 708 Prefixes being announced from the AfriNIC address blocks: 891 Unique aggregates announced from the AfriNIC address blocks: 715 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2171392 Equivalent to 0 /8s, 33 /16s and 34 /24s Percentage of available AfriNIC address space announced: 12.9
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 883 4688 172 Data Communications Bureau 1221 786 1184 561 Telstra Pty Ltd 9583 587 48 11 Satyam Infoway Ltd., 4766 586 3414 281 Korea Internet Exchange for " 4755 456 241 101 Videsh Sanchar Nigam Ltd. Aut 7545 426 86 69 TPG Internet Pty Ltd 17676 396 5948 64 XTAGE CORPORATION 9443 371 77 79 Primus Telecommunications 9929 350 164 35 China Netcom Corp. 2907 347 1838 322 SINET Japan 17557 326 24 149 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 7474 287 299 209 Optus Communications Pty Ltd 2764 271 238 217 connect.com.au pty ltd 703 268 339 210 UUNET 9498 237 81 53 BHARTI BT INTERNET LTD. 9800 237 383 75 CHINA UNICOM 4808 236 170 128 CHINANET core WAN North 17974 232 63 12 PT TELEKOMUNIKASI INDONESIA 4802 231 28 140 Wantree Development
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1458 6602 973 AT&T WorldNet Services 721 1142 21849 315 DLA Systems Automation Center 701 1034 8309 881 UUNET Technologies, Inc. 4323 1032 672 221 Time Warner Telecom 1239 955 2880 631 Sprint 6197 859 370 401 BellSouth Network Solutions, 2386 817 510 598 AT&T Data Communications Serv 18566 770 208 6 Covad Communications 209 646 3467 497 Qwest 3356 596 10868 445 Level 3 Communications, LLC 3561 589 2372 418 Cable & Wireless USA 20115 578 481 304 Charter Communications 852 525 1126 399 Telus Advanced Communications 6478 496 822 97 AT&T Worldnet Services 3602 492 120 91 Sprint Canada, Inc. 22773 469 1090 24 Cox Communications, Inc. Atla 27364 468 44 18 Armstrong Cable Services 6198 463 558 186 BellSouth Network Solutions, 5668 441 87 17 Century Telephone 7132 441 8411 381 SBC Internet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 609 2022 506 UUNET - Commercial IP service 3320 296 2992 230 Deutsche Telekom AG 3301 290 1112 278 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 224 475 219 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 216 120 196 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 3215 200 1033 78 France Telecom Transpac 5515 187 842 135 Sonera Solution Autonomous Sy 6746 179 47 143 Dynamic Network Technologies, 786 176 1794 176 The JANET IP Service 8866 170 19 20 Bulgarian Telecommunication C 3300 166 184 84 AUCS Communications Services 719 163 322 105 LANLINK autonomous system 3269 163 1424 72 TELECOM ITALIA 25186 141 138 99 France Telecom Transpac's Tra 5400 139 218 123 BT Ignite European Backbone 9051 128 8 33 INCONET Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 359 140 70 ImpSat 8151 336 501 143 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 220 101 55 Servicios Alestra S.A de C.V 6147 188 100 22 Telefonica Del Peru 7303 149 68 22 Telecom Argentina Stet-France 11664 149 19 24 Keytech SA 6505 134 90 91 Global One Communicaoes Ltda 14117 119 7 5 Telefonica del Sur S.A. 6503 116 146 79 AVANTEL, S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 89 52 9 Mega Cable S.A. de C.V. 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 6535 85 7 23 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 5639 81 8 8 Telecommunications Services o 4270 79 18 9 Red de Interconexion Universi 15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 268 636 226 The Internet Solution 5536 114 15 18 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 2905 85 267 77 The Internetworking Company o 20928 84 16 2 Noor Advanced Technologies AS 24835 56 34 6 RAYA Telecom - Egypt 8452 38 20 5 TEDATA 6713 35 54 9 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 5713 27 141 24 Telkom SA Ltd 12455 27 7 4 Jambonet Autonomous system 8524 22 1 4 AUCEGYPT 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 21280 16 2 3 Swift Global Kenya Ltd.Is an 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 3 UTL On-line is RF broadband I 15808 14 1 1 Communication Solutions Ltd i 17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 721 1142 827 DLA Systems Automation Center 4323 1032 811 Time Warner Telecom 18566 770 764 Covad Communications 4134 883 711 Data Communications Bureau 9583 587 576 Satyam Infoway Ltd., 6197 859 458 BellSouth Network Solutions, 27364 468 450 Armstrong Cable Services 22773 469 445 Cox Communications, Inc. Atla 5668 441 424 Century Telephone 3602 492 401 Sprint Canada, Inc. 6478 496 399 AT&T Worldnet Services 7545 426 357 TPG Internet Pty Ltd 4755 456 355 Videsh Sanchar Nigam Ltd. Aut 6467 366 335 E.Spire Communications, Inc. 22909 417 334 Comcast Cable Corporation 17676 396 332 XTAGE CORPORATION 1239 955 324 Sprint 9929 350 315 China Netcom Corp. 4766 586 305 Korea Internet Exchange for " 9443 371 292 Primus Telecommunications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun 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. 64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc. 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 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 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services
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 /11:14 /12:62 /13:146 /14:311 /15:566 /16:8303 /17:2403 /18:4097 /19:10080 /20:10707 /21:8461 /22:11725 /23:12917 /24:84900 /25:297 /26:253 /27:109 /28:48 /29:22 /30:80 /31:0 /32:41
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 755 770 Covad Communications 6197 704 859 BellSouth Network Solutions, 7018 629 1458 AT&T WorldNet Services 2386 581 817 AT&T Data Communications Serv 4323 478 1032 Time Warner Telecom 27364 453 468 Armstrong Cable Services 9583 413 587 Satyam Infoway Ltd., 4766 399 586 Korea Internet Exchange for " 5668 376 441 Century Telephone 1239 369 955 Sprint 702 367 609 UUNET - Commercial IP service 6198 331 463 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 6517 285 307 Yipes Communications, Inc. 6467 275 366 E.Spire Communications, Inc. 9929 275 350 China Netcom Corp. 11456 263 310 Carolina Online, Inc. 13609 256 305 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher 701 244 1034 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1483 13:1 15:9 16:2 17:3 18:4 20:4 24:739 32:64 33:3 38:94 40:54 44:3 47:2 52:3 55:2 56:3 57:21 59:2 60:13 61:688 62:504 63:1868 64:2585 65:2084 66:2726 67:497 68:500 69:911 70:63 71:2 72:57 80:554 81:490 82:350 83:247 84:120 85:105 128:139 129:166 130:92 131:195 132:36 133:1 134:142 135:30 136:213 137:64 138:178 139:50 140:192 141:101 142:140 143:121 144:253 145:45 146:282 147:99 148:263 149:163 150:95 151:62 152:110 153:79 154:2 155:141 156:69 157:78 158:149 159:163 160:67 161:59 162:417 163:84 164:212 165:158 166:132 167:226 168:387 169:132 170:314 171:9 192:5677 193:3049 194:2253 195:1569 196:622 198:3852 199:3277 200:3975 201:50 202:5179 203:5979 204:3630 205:2027 206:2307 207:2669 208:2090 209:3097 210:1568 211:780 212:1150 213:1264 214:237 215:31 216:3667 217:1100 218:189 219:117 220:354 221:82 222:76
End of report
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