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Routing Table Report 04:00 +10GMT Sun 13 Feb, 2005
Analysis Summary ----------------
BGP routing table entries examined: 155534 Prefixes after maximum aggregation: 90732 Unique aggregates announced to Internet: 74565 Total ASes present in the Internet Routing Table: 18961 Origin-only ASes present in the Internet Routing Table: 16479 Origin ASes announcing only one prefix: 7726 Transit ASes present in the Internet Routing Table: 2482 Transit-only ASes present in the Internet Routing Table: 82 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: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1374413640 Equivalent to 81 /8s, 235 /16s and 227 /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: 72437
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 30989 Total APNIC prefixes after maximum aggregation: 14937 Prefixes being announced from the APNIC address blocks: 29043 Unique aggregates announced from the APNIC address blocks: 14687 APNIC Region origin ASes present in the Internet Routing Table: 2201 APNIC Region origin ASes announcing only one prefix: 643 APNIC Region transit ASes present in the Internet Routing Table: 325 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 173987456 Equivalent to 10 /8s, 94 /16s and 214 /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: 86979 Total ARIN prefixes after maximum aggregation: 52343 Prefixes being announced from the ARIN address blocks: 66243 Unique aggregates announced from the ARIN address blocks: 24063 ARIN Region origin ASes present in the Internet Routing Table: 9861 ARIN Region origin ASes announcing only one prefix: 3589 ARIN Region transit ASes present in the Internet Routing Table: 955 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 240865024 Equivalent to 14 /8s, 91 /16s and 79 /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: 29403 Total RIPE prefixes after maximum aggregation: 20324 Prefixes being announced from the RIPE address blocks: 26362 Unique aggregates announced from the RIPE address blocks: 17480 RIPE Region origin ASes present in the Internet Routing Table: 6307 RIPE Region origin ASes announcing only one prefix: 3342 RIPE Region transit ASes present in the Internet Routing Table: 1074 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 187866432 Equivalent to 11 /8s, 50 /16s and 157 /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: 6823 Total LACNIC prefixes after maximum aggregation: 2420 Prefixes being announced from the LACNIC address blocks: 6709 Unique aggregates announced from the LACNIC address blocks: 4028 LACNIC Region origin ASes present in the Internet Routing Table: 419 LACNIC Region origin ASes announcing only one prefix: 128 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17404672 Equivalent to 1 /8s, 9 /16s and 147 /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: 890 Unique aggregates announced from the AfriNIC address blocks: 714 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 24 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: 2171136 Equivalent to 0 /8s, 33 /16s and 33 /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 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 703 269 339 211 UUNET 9800 237 383 75 CHINA UNICOM 4808 236 170 128 CHINANET core WAN North 9498 234 81 54 BHARTI BT INTERNET LTD. 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 1148 21849 316 DLA Systems Automation Center 701 1033 8309 880 UUNET Technologies, Inc. 4323 1032 672 221 Time Warner Telecom 1239 954 2879 630 Sprint 6197 859 370 401 BellSouth Network Solutions, 2386 826 511 607 AT&T Data Communications Serv 18566 769 208 6 Covad Communications 209 646 3467 497 Qwest 3561 589 2372 418 Cable & Wireless USA 3356 580 10867 444 Level 3 Communications, LLC 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 440 8411 380 SBC Internet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 608 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 201 708 167 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 360 140 70 ImpSat 8151 336 501 143 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 219 101 54 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 91 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 78 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 113 15 17 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 1148 832 DLA Systems Automation Center 4323 1032 811 Time Warner Telecom 18566 769 763 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 22909 417 334 Comcast Cable Corporation 6467 365 334 E.Spire Communications, Inc. 17676 396 332 XTAGE CORPORATION 1239 954 324 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 /16:8291 /17:2404 /18:4092 /19:10082 /20:10701 /21:8449 /22:11725 /23:12914 /24:84899 /25:297 /26:255 /27:106 /28:48 /29:22 /30:80 /31:0 /32:41
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 754 769 Covad Communications 6197 704 859 BellSouth Network Solutions, 7018 629 1458 AT&T WorldNet Services 2386 590 826 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 369 954 Sprint 702 366 608 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 275 365 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 701 243 1033 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1486 13:1 15:9 16:2 17:3 18:4 20:4 24:739 32:68 33:3 38:95 40:55 44:3 47:2 52:3 55:2 56:3 57:20 59:2 60:16 61:688 62:505 63:1869 64:2588 65:2085 66:2727 67:498 68:500 69:909 70:63 71:2 72:61 80:555 81:490 82:350 83:281 84:127 85:104 128:138 129:166 130:92 131:195 132:35 133:1 134:142 135:30 136:208 137:64 138:179 139:50 140:195 141:101 142:140 143:123 144:253 145:45 146:282 147:99 148:263 149:163 150:95 151:62 152:110 153:73 154:2 155:140 156:69 157:77 158:149 159:164 160:67 161:59 162:417 163:84 164:213 165:157 166:132 167:226 168:387 169:132 170:313 171:9 192:5671 193:3061 194:2255 195:1569 196:621 198:3819 199:3270 200:3955 201:49 202:5178 203:5980 204:3628 205:2024 206:2307 207:2670 208:2096 209:3091 210:1567 211:780 212:1148 213:1265 214:238 215:31 216:3671 217:1101 218:189 219:117 220:354 221:82 222:76
End of report
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