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Routing Table Report 04:00 +10GMT Fri 11 Feb, 2005
Analysis Summary ----------------
BGP routing table entries examined: 158183 Prefixes after maximum aggregation: 90707 Unique aggregates announced to Internet: 74475 Total ASes present in the Internet Routing Table: 18961 Origin-only ASes present in the Internet Routing Table: 16485 Origin ASes announcing only one prefix: 7731 Transit ASes present in the Internet Routing Table: 2476 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 19 Prefixes from unregistered ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 22 Number of addresses announced to Internet: 1374395084 Equivalent to 81 /8s, 235 /16s and 154 /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: 74578
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 30978 Total APNIC prefixes after maximum aggregation: 14934 Prefixes being announced from the APNIC address blocks: 29023 Unique aggregates announced from the APNIC address blocks: 14686 APNIC Region origin ASes present in the Internet Routing Table: 2204 APNIC Region origin ASes announcing only one prefix: 650 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: 173928192 Equivalent to 10 /8s, 93 /16s and 239 /24s Percentage of available APNIC address space announced: 64.5
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: 89595 Total ARIN prefixes after maximum aggregation: 52344 Prefixes being announced from the ARIN address blocks: 68714 Unique aggregates announced from the ARIN address blocks: 24036 ARIN Region origin ASes present in the Internet Routing Table: 9868 ARIN Region origin ASes announcing only one prefix: 3593 ARIN Region transit ASes present in the Internet Routing Table: 953 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 240889088 Equivalent to 14 /8s, 91 /16s and 173 /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: 29443 Total RIPE prefixes after maximum aggregation: 20309 Prefixes being announced from the RIPE address blocks: 26391 Unique aggregates announced from the RIPE address blocks: 17435 RIPE Region origin ASes present in the Internet Routing Table: 6301 RIPE Region origin ASes announcing only one prefix: 3336 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: 19 Number of RIPE addresses announced to Internet: 187579968 Equivalent to 11 /8s, 46 /16s and 62 /24s Percentage of available RIPE address space announced: 65.8
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: 6837 Total LACNIC prefixes after maximum aggregation: 2415 Prefixes being announced from the LACNIC address blocks: 6708 Unique aggregates announced from the LACNIC address blocks: 3986 LACNIC Region origin ASes present in the Internet Routing Table: 420 LACNIC Region origin ASes announcing only one prefix: 128 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: 17395456 Equivalent to 1 /8s, 9 /16s and 111 /24s Percentage of available LACNIC address space announced: 51.8
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1321 Total AfriNIC prefixes after maximum aggregation: 705 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: 95 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 787 1184 562 Telstra Pty Ltd 4766 592 3415 282 Korea Internet Exchange for " 9583 585 48 11 Satyam Infoway Ltd., 4755 457 241 101 Videsh Sanchar Nigam Ltd. Aut 7545 428 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 321 23 147 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 7474 286 299 208 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 53 BHARTI BT INTERNET LTD. 4802 231 28 140 Wantree Development 17974 231 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4323 2606 672 220 Time Warner Telecom 7018 1463 6606 976 AT&T WorldNet Services 721 1150 21811 329 DLA Systems Automation Center 701 1037 8309 884 UUNET Technologies, Inc. 7015 1011 220 20 AT&T Broadband 1239 947 2880 625 Sprint 6197 859 378 402 BellSouth Network Solutions, 2386 821 505 601 AT&T Data Communications Serv 18566 769 208 6 Covad Communications 209 644 3467 498 Qwest 3356 595 10868 444 Level 3 Communications, LLC 3561 585 2370 415 Cable & Wireless USA 20115 578 481 304 Charter Communications 852 525 1126 399 Telus Advanced Communications 6478 496 821 97 AT&T Worldnet Services 3602 491 120 91 Sprint Canada, Inc. 27364 468 44 18 Armstrong Cable Services 22773 467 1090 24 Cox Communications, Inc. Atla 6198 458 472 204 BellSouth Network Solutions, 7132 441 8411 381 SBC Internet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 615 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 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 3300 168 184 84 AUCS Communications Services 8866 167 19 24 Bulgarian Telecommunication C 719 163 322 105 LANLINK autonomous system 3269 161 1392 71 TELECOM ITALIA 25186 141 138 99 France Telecom Transpac's Tra 5400 140 219 124 BT Ignite European Backbone 9051 127 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 338 499 144 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 219 100 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 118 148 81 AVANTEL, S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 88 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 83 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 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 17 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 7015 1011 991 AT&T Broadband 721 1150 821 DLA Systems Automation Center 18566 769 763 Covad Communications 4134 883 711 Data Communications Bureau 9583 585 574 Satyam Infoway Ltd., 7018 1463 487 AT&T WorldNet Services 6197 859 457 BellSouth Network Solutions, 27364 468 450 Armstrong Cable Services 22773 467 443 Cox Communications, Inc. Atla 5668 439 422 Century Telephone 3602 491 400 Sprint Canada, Inc. 6478 496 399 AT&T Worldnet Services 7545 428 359 TPG Internet Pty Ltd 22909 422 358 Comcast Cable Corporation 4755 457 356 Videsh Sanchar Nigam Ltd. Aut 6467 367 336 E.Spire Communications, Inc. 17676 396 332 XTAGE CORPORATION 1239 947 322 Sprint 9929 350 315 China Netcom Corp. 4766 592 310 Korea Internet Exchange for "
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 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. 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 172.212.0.0/16 1668 GNN Hosting Service 172.213.0.0/16 1668 GNN Hosting Service 172.214.0.0/16 1668 GNN Hosting Service 172.215.0.0/16 1668 GNN Hosting Service 172.216.0.0/16 1668 GNN Hosting Service 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 192.83.16.0/20 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 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 /16:8302 /17:2406 /18:4094 /19:10085 /20:10719 /21:8560 /22:11929 /23:13122 /24:86974 /25:305 /26:258 /27:112 /28:49 /29:21 /30:80 /31:0 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 4323 1594 2606 Time Warner Telecom 7015 974 1011 AT&T Broadband 18566 754 769 Covad Communications 6197 704 859 BellSouth Network Solutions, 7018 630 1463 AT&T WorldNet Services 2386 587 821 AT&T Data Communications Serv 27364 453 468 Armstrong Cable Services 9583 411 585 Satyam Infoway Ltd., 4766 405 592 Korea Internet Exchange for " 5668 374 439 Century Telephone 702 373 615 UUNET - Commercial IP service 1239 368 947 Sprint 6198 331 458 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 6517 284 306 Yipes Communications, Inc. 6467 277 367 E.Spire Communications, Inc. 9929 275 350 China Netcom Corp. 11456 263 310 Carolina Online, Inc. 13609 252 300 Choice One Communications Inc 701 246 1037 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1481 13:1 15:6 16:2 17:3 18:4 20:4 24:1200 32:68 33:3 38:94 40:55 44:3 47:2 52:3 55:2 56:3 57:23 59:2 60:16 61:688 62:508 63:1868 64:2716 65:2137 66:3283 67:497 68:497 69:909 70:62 71:2 72:58 80:562 81:507 82:356 83:278 84:127 85:102 128:144 129:166 130:92 131:195 132:37 133:1 134:142 135:30 136:213 137:66 138:180 139:50 140:195 141:101 142:139 143:122 144:251 145:45 146:282 147:98 148:263 149:162 150:95 151:62 152:110 153:73 154:2 155:140 156:69 157:78 158:149 159:164 160:67 161:59 162:417 163:84 164:213 165:157 166:131 167:226 168:497 169:132 170:314 171:9 192:5686 193:3063 194:2263 195:1568 196:621 198:3857 199:3287 200:3954 201:53 202:5176 203:5976 204:3639 205:2014 206:2432 207:2941 208:2088 209:3228 210:1573 211:780 212:1149 213:1257 214:238 215:31 216:3817 217:1100 218:189 219:118 220:352 221:81 222:76
End of report
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