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Routing Table Report 04:00 +10GMT Wed 16 Feb, 2005
Analysis Summary ----------------
BGP routing table entries examined: 155790 Prefixes after maximum aggregation: 90879 Unique aggregates announced to Internet: 74977 Total ASes present in the Internet Routing Table: 18985 Origin-only ASes present in the Internet Routing Table: 16502 Origin ASes announcing only one prefix: 7738 Transit ASes present in the Internet Routing Table: 2483 Transit-only ASes present in the Internet Routing Table: 80 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: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1373040456 Equivalent to 81 /8s, 214 /16s and 239 /24s Percentage of available address space announced: 37.0 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72550
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 31037 Total APNIC prefixes after maximum aggregation: 14952 Prefixes being announced from the APNIC address blocks: 29097 Unique aggregates announced from the APNIC address blocks: 14811 APNIC Region origin ASes present in the Internet Routing Table: 2207 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 327 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 174050432 Equivalent to 10 /8s, 95 /16s and 204 /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: 87033 Total ARIN prefixes after maximum aggregation: 52428 Prefixes being announced from the ARIN address blocks: 66298 Unique aggregates announced from the ARIN address blocks: 24258 ARIN Region origin ASes present in the Internet Routing Table: 9880 ARIN Region origin ASes announcing only one prefix: 3593 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: 239184128 Equivalent to 14 /8s, 65 /16s and 169 /24s Percentage of available ARIN address space announced: 71.3
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, 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: 29511 Total RIPE prefixes after maximum aggregation: 20383 Prefixes being announced from the RIPE address blocks: 26368 Unique aggregates announced from the RIPE address blocks: 17488 RIPE Region origin ASes present in the Internet Routing Table: 6307 RIPE Region origin ASes announcing only one prefix: 3343 RIPE Region transit ASes present in the Internet Routing Table: 1070 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 187981888 Equivalent to 11 /8s, 52 /16s and 96 /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: 6839 Total LACNIC prefixes after maximum aggregation: 2408 Prefixes being announced from the LACNIC address blocks: 6731 Unique aggregates announced from the LACNIC address blocks: 3991 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: 81 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17422592 Equivalent to 1 /8s, 9 /16s and 217 /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: 1351 Total AfriNIC prefixes after maximum aggregation: 708 Prefixes being announced from the AfriNIC address blocks: 905 Unique aggregates announced from the AfriNIC address blocks: 718 AfriNIC Region origin ASes present in the Internet Routing Table: 97 AfriNIC Region origin ASes announcing only one prefix: 25 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2172160 Equivalent to 0 /8s, 33 /16s and 37 /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 785 1183 560 Telstra Pty Ltd 9583 595 48 13 Satyam Infoway Ltd., 4766 589 3414 280 Korea Internet Exchange for " 4755 453 241 97 Videsh Sanchar Nigam Ltd. Aut 7545 424 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 327 24 150 Pakistan Telecom 10036 293 27 269 C&M Communication Co. Ltd. 7474 287 299 209 Optus Communications Pty Ltd 703 272 339 213 UUNET 2764 262 238 210 connect.com.au pty ltd 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 229 28 138 Wantree Development
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1461 6602 975 AT&T WorldNet Services 721 1156 21859 318 DLA Systems Automation Center 4323 1032 672 221 Time Warner Telecom 701 1029 8309 879 UUNET Technologies, Inc. 1239 953 2880 629 Sprint 6197 862 378 402 BellSouth Network Solutions, 2386 821 511 602 AT&T Data Communications Serv 18566 770 208 6 Covad Communications 209 646 3467 496 Qwest 3356 595 10868 444 Level 3 Communications, LLC 3561 591 2372 418 Cable & Wireless USA 20115 579 483 301 Charter Communications 852 523 1126 398 Telus Advanced Communications 6478 499 822 98 AT&T Worldnet Services 3602 492 120 91 Sprint Canada, Inc. 22773 469 1090 24 Cox Communications, Inc. Atla 6198 464 558 186 BellSouth Network Solutions, 27364 464 43 18 Armstrong Cable Services 5668 445 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 702 610 2022 507 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 8708 218 120 197 Romania Data Systems S.A. 13083 217 51 8 Mannesmann Datenverarbeitung 1257 205 708 171 SWIPnet Swedish IP Network 3215 202 1025 80 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 171 19 20 Bulgarian Telecommunication C 719 163 322 105 LANLINK autonomous system 3269 163 1424 72 TELECOM ITALIA 3300 163 184 84 AUCS Communications Services 25186 141 138 99 France Telecom Transpac's Tra 5400 137 218 121 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 360 140 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 189 102 20 Telefonica Del Peru 11664 150 19 24 Keytech SA 7303 149 68 22 Telecom Argentina Stet-France 6505 135 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 268 635 225 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 11845 35 9 11 Data Pro Business Online 9129 32 3 2 UUNET Kenya 12455 30 7 4 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 23 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 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
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 721 1156 838 DLA Systems Automation Center 4323 1032 811 Time Warner Telecom 18566 770 764 Covad Communications 4134 883 711 Data Communications Bureau 9583 595 582 Satyam Infoway Ltd., 6197 862 460 BellSouth Network Solutions, 27364 464 446 Armstrong Cable Services 22773 469 445 Cox Communications, Inc. Atla 5668 445 428 Century Telephone 6478 499 401 AT&T Worldnet Services 3602 492 401 Sprint Canada, Inc. 4755 453 356 Videsh Sanchar Nigam Ltd. Aut 7545 424 355 TPG Internet Pty Ltd 22909 418 341 Comcast Cable Corporation 6467 367 336 E.Spire Communications, Inc. 17676 396 332 XTAGE CORPORATION 1239 953 324 Sprint 9929 350 315 China Netcom Corp. 4766 589 309 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 65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK 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 /14:306 /15:561 /16:8301 /17:2407 /18:4101 /19:10080 /20:10692 /21:8466 /22:11746 /23:12950 /24:85086 /25:296 /26:254 /27:101 /28:49 /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 707 862 BellSouth Network Solutions, 7018 632 1461 AT&T WorldNet Services 2386 585 821 AT&T Data Communications Serv 4323 478 1032 Time Warner Telecom 27364 449 464 Armstrong Cable Services 9583 417 595 Satyam Infoway Ltd., 4766 402 589 Korea Internet Exchange for " 5668 379 445 Century Telephone 702 368 610 UUNET - Commercial IP service 1239 367 953 Sprint 6198 332 464 BellSouth Network Solutions, 10036 293 293 C&M Communication Co. Ltd. 6517 286 308 Yipes Communications, Inc. 6467 276 367 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 3320 241 296 Deutsche Telekom AG
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1482 13:1 15:9 16:2 17:3 18:4 20:4 24:738 32:65 33:3 38:95 40:55 44:3 47:2 52:3 55:2 56:3 57:21 59:2 60:14 61:688 62:522 63:1872 64:2590 65:2087 66:2727 67:490 68:500 69:913 70:63 71:2 72:61 80:539 81:510 82:351 83:258 84:128 85:106 128:136 129:166 130:92 131:279 132:37 133:1 134:142 135:30 136:213 137:64 138:179 139:40 140:195 141:101 142:140 143:124 144:254 145:45 146:281 147:100 148:264 149:163 150:95 151:62 152:110 153:79 154:2 155:141 156:70 157:78 158:149 159:164 160:67 161:59 162:393 163:84 164:214 165:158 166:132 167:226 168:389 169:133 170:313 171:9 192:5679 193:3062 194:2249 195:1559 196:634 198:3826 199:3284 200:3973 201:50 202:5197 203:5998 204:3631 205:2011 206:2311 207:2691 208:2095 209:3110 210:1571 211:781 212:1155 213:1260 214:241 215:31 216:3669 217:1086 218:189 219:117 220:362 221:82 222:78
End of report
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