
Routing Table Report 04:00 +10GMT Wed 23 Feb, 2005
Analysis Summary ----------------
BGP routing table entries examined: 156530 Prefixes after maximum aggregation: 91395 Unique aggregates announced to Internet: 75327 Total ASes present in the Internet Routing Table: 19024 Origin-only ASes present in the Internet Routing Table: 16536 Origin ASes announcing only one prefix: 7722 Transit ASes present in the Internet Routing Table: 2488 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: 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: 11 Number of addresses announced to Internet: 1378487880 Equivalent to 82 /8s, 42 /16s and 14 /24s Percentage of available address space announced: 37.2 Percentage of allocated address space announced: 58.8 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72962
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 31159 Total APNIC prefixes after maximum aggregation: 14988 Prefixes being announced from the APNIC address blocks: 29206 Unique aggregates announced from the APNIC address blocks: 14926 APNIC Region origin ASes present in the Internet Routing Table: 2214 APNIC Region origin ASes announcing only one prefix: 650 APNIC Region transit ASes present in the Internet Routing Table: 322 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 174540416 Equivalent to 10 /8s, 103 /16s and 70 /24s Percentage of available APNIC address space announced: 64.8
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: 87449 Total ARIN prefixes after maximum aggregation: 52818 Prefixes being announced from the ARIN address blocks: 66595 Unique aggregates announced from the ARIN address blocks: 24330 ARIN Region origin ASes present in the Internet Routing Table: 9888 ARIN Region origin ASes announcing only one prefix: 3579 ARIN Region transit ASes present in the Internet Routing Table: 958 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 239556608 Equivalent to 14 /8s, 71 /16s and 88 /24s Percentage of available ARIN address space announced: 71.4
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: 29693 Total RIPE prefixes after maximum aggregation: 20454 Prefixes being announced from the RIPE address blocks: 26571 Unique aggregates announced from the RIPE address blocks: 17620 RIPE Region origin ASes present in the Internet Routing Table: 6331 RIPE Region origin ASes announcing only one prefix: 3341 RIPE Region transit ASes present in the Internet Routing Table: 1078 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 192568640 Equivalent to 11 /8s, 122 /16s and 93 /24s Percentage of available RIPE address space announced: 67.5
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: 6854 Total LACNIC prefixes after maximum aggregation: 2423 Prefixes being announced from the LACNIC address blocks: 6773 Unique aggregates announced from the LACNIC address blocks: 4015 LACNIC Region origin ASes present in the Internet Routing Table: 419 LACNIC Region origin ASes announcing only one prefix: 127 LACNIC Region transit ASes present in the Internet Routing Table: 81 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17574912 Equivalent to 1 /8s, 12 /16s and 44 /24s Percentage of available LACNIC address space announced: 52.4
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1356 Total AfriNIC prefixes after maximum aggregation: 712 Prefixes being announced from the AfriNIC address blocks: 908 Unique aggregates announced from the AfriNIC address blocks: 716 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: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2177280 Equivalent to 0 /8s, 33 /16s and 57 /24s Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau 1221 787 1185 559 Telstra Pty Ltd 9583 598 49 16 Satyam Infoway Ltd., 4766 590 3415 281 Korea Internet Exchange for " 7545 501 86 69 TPG Internet Pty Ltd 4755 456 241 99 Videsh Sanchar Nigam Ltd. Aut 17676 399 5996 67 XTAGE CORPORATION 9443 374 77 79 Primus Telecommunications 9929 353 165 37 China Netcom Corp. 2907 348 1839 322 SINET Japan 17557 326 24 149 Pakistan Telecom 10036 293 27 269 C&M Communication Co. Ltd. 7474 285 283 207 Optus Communications Pty Ltd 703 273 355 214 UUNET 2764 260 238 208 connect.com.au pty ltd 4808 237 170 129 CHINANET core WAN North 9498 237 81 53 BHARTI BT INTERNET LTD. 9800 237 383 75 CHINA UNICOM 4802 230 28 139 Wantree Development 9942 220 72 117 COMindico Australia
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1458 6619 971 AT&T WorldNet Services 721 1143 21835 319 DLA Systems Automation Center 701 1029 8308 877 UUNET Technologies, Inc. 4323 1029 668 219 Time Warner Telecom 1239 951 2874 656 Sprint 6197 865 379 405 BellSouth Network Solutions, 2386 823 496 611 AT&T Data Communications Serv 18566 766 208 6 Covad Communications 209 647 3466 499 Qwest 3356 591 10867 442 Level 3 Communications, LLC 20115 582 485 303 Charter Communications 3561 562 2372 418 Cable & Wireless USA 852 525 1126 400 Telus Advanced Communications 174 498 5471 425 PSINet Inc. 3602 498 120 93 Sprint Canada, Inc. 6478 496 821 104 AT&T Worldnet Services 22773 473 1090 24 Cox Communications, Inc. Atla 6198 464 566 188 BellSouth Network Solutions, 27364 464 43 18 Armstrong Cable Services 5668 449 91 19 Century Telephone
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 606 2022 503 UUNET - Commercial IP service 3320 295 2992 229 Deutsche Telekom AG 3301 289 1112 277 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 229 476 223 Song Networks 8708 218 120 197 Romania Data Systems S.A. 13083 217 51 8 Mannesmann Datenverarbeitung 1257 204 708 170 SWIPnet Swedish IP Network 3215 203 1025 80 France Telecom Transpac 5515 187 842 135 Sonera Solution Autonomous Sy 6746 180 47 144 Dynamic Network Technologies, 786 176 1794 176 The JANET IP Service 8866 175 19 21 Bulgarian Telecommunication C 3269 163 1424 72 TELECOM ITALIA 3300 163 184 84 AUCS Communications Services 719 161 322 103 LANLINK autonomous system 25186 141 138 99 France Telecom Transpac's Tra 5400 139 234 123 BT Ignite European Backbone 9121 130 227 19 TTnet Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 360 140 74 ImpSat 8151 335 501 142 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 221 101 55 Servicios Alestra S.A de C.V 6147 189 102 20 Telefonica Del Peru 11664 151 19 24 Keytech SA 7303 146 66 30 Telecom Argentina Stet-France 6505 135 90 91 Global One Communicaoes Ltda 14117 119 7 5 Telefonica del Sur S.A. 6503 117 146 80 AVANTEL, S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 93 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 5639 82 8 8 Telecommunications Services o 10481 81 32 7 Prima S.A. 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 20928 85 16 2 Noor Advanced Technologies AS 2905 84 267 76 The Internetworking Company o 24835 53 34 6 RAYA Telecom - Egypt 8452 40 20 5 TEDATA 6713 35 54 9 Itissalat Al-MAGHRIB 11845 35 9 11 Data Pro Business Online 12455 31 7 8 Jambonet Autonomous system 9129 30 3 2 UUNET Kenya 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 8346 17 10 11 SONATEL-AS Autonomous System 21280 17 2 3 Swift Global Kenya Ltd.Is an 21491 16 1 3 UTL On-line is RF broadband I 15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 721 1143 824 DLA Systems Automation Center 4323 1029 810 Time Warner Telecom 18566 766 760 Covad Communications 4134 886 712 Data Communications Bureau 9583 598 582 Satyam Infoway Ltd., 6197 865 460 BellSouth Network Solutions, 22773 473 449 Cox Communications, Inc. Atla 27364 464 446 Armstrong Cable Services 7545 501 432 TPG Internet Pty Ltd 5668 449 430 Century Telephone 3602 498 405 Sprint Canada, Inc. 6478 496 392 AT&T Worldnet Services 4755 456 357 Videsh Sanchar Nigam Ltd. Aut 6467 367 334 E.Spire Communications, Inc. 17676 399 332 XTAGE CORPORATION 9929 353 316 China Netcom Corp. 4766 590 309 Korea Internet Exchange for " 1239 951 295 Sprint 9443 374 295 Primus Telecommunications 6140 360 286 ImpSat
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 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 65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution 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 /10:8 /11:14 /12:62 /13:148 /14:304 /15:562 /16:8287 /17:2414 /18:4131 /19:10100 /20:10722 /21:8553 /22:11825 /23:13043 /24:85488 /25:297 /26:259 /27:96 /28:49 /29:21 /30:82 /31:0 /32:43
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 751 766 Covad Communications 6197 708 865 BellSouth Network Solutions, 7018 634 1458 AT&T WorldNet Services 2386 587 823 AT&T Data Communications Serv 4323 480 1029 Time Warner Telecom 27364 449 464 Armstrong Cable Services 9583 420 598 Satyam Infoway Ltd., 4766 401 590 Korea Internet Exchange for " 5668 381 449 Century Telephone 1239 370 951 Sprint 702 366 606 UUNET - Commercial IP service 6198 331 464 BellSouth Network Solutions, 10036 293 293 C&M Communication Co. Ltd. 6517 287 309 Yipes Communications, Inc. 9929 278 353 China Netcom Corp. 6467 274 367 E.Spire Communications, Inc. 11456 263 310 Carolina Online, Inc. 13609 255 304 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher 701 241 1029 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1488 13:1 15:9 16:2 17:3 18:4 20:5 24:737 32:65 33:3 38:99 40:55 44:3 47:2 52:3 55:2 56:3 57:23 59:2 60:17 61:669 62:521 63:1863 64:2577 65:2057 66:2738 67:518 68:506 69:929 70:64 71:3 72:65 80:543 81:514 82:360 83:269 84:131 85:113 128:132 129:165 130:96 131:275 132:37 133:1 134:142 135:30 136:213 137:63 138:180 139:53 140:195 141:101 142:140 143:127 144:255 145:44 146:283 147:100 148:265 149:162 150:95 151:63 152:110 153:81 154:2 155:142 156:71 157:81 158:152 159:164 160:68 161:59 162:420 163:84 164:216 165:158 166:130 167:226 168:402 169:133 170:314 171:9 192:5679 193:3081 194:2255 195:1579 196:635 198:3879 199:3292 200:3973 201:49 202:5228 203:6002 204:3655 205:2030 206:2309 207:2703 208:2090 209:3170 210:1571 211:788 212:1163 213:1265 214:242 215:31 216:3663 217:1092 218:190 219:117 220:367 221:90 222:82
End of report
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Routing Table Analysis