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Routing Table Report 04:00 +10GMT Mon 24 May, 2004
Analysis Summary ----------------
BGP routing table entries examined: 138272 Prefixes after maximum aggregation: 83990 Unique aggregates announced to Internet: 66139 Total ASes present in the Internet Routing Table: 17272 Origin-only ASes present in the Internet Routing Table: 14974 Origin ASes announcing only one prefix: 6964 Transit ASes present in the Internet Routing Table: 2298 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1290734076 Equivalent to 76 /8s, 239 /16s and 9 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 57.1 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 61993
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26500 Total APNIC prefixes after maximum aggregation: 13697 Prefixes being announced from the APNIC address blocks: 24809 Unique aggregates announced from the APNIC address blocks: 13569 APNIC Region origin ASes present in the Internet Routing Table: 2059 APNIC Region origin ASes announcing only one prefix: 616 APNIC Region transit ASes present in the Internet Routing Table: 333 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 146986240 Equivalent to 8 /8s, 194 /16s and 213 /24s Percentage of available APNIC address space announced: 67.1
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 79161 Total ARIN prefixes after maximum aggregation: 49285 Prefixes being announced from the ARIN address blocks: 61201 Unique aggregates announced from the ARIN address blocks: 21565 ARIN Region origin ASes present in the Internet Routing Table: 9198 ARIN Region origin ASes announcing only one prefix: 3278 ARIN Region transit ASes present in the Internet Routing Table: 912 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224438304 Equivalent to 13 /8s, 96 /16s and 168 /24s Percentage of available ARIN address space announced: 74.3
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, 29695 - 30719 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 25410 Total RIPE prefixes after maximum aggregation: 18120 Prefixes being announced from the RIPE address blocks: 22233 Unique aggregates announced from the RIPE address blocks: 13996 RIPE Region origin ASes present in the Internet Routing Table: 5474 RIPE Region origin ASes announcing only one prefix: 2945 RIPE Region transit ASes present in the Internet Routing Table: 938 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 164052736 Equivalent to 9 /8s, 199 /16s and 63 /24s Percentage of available RIPE address space announced: 57.5
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 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: 6043 Total LACNIC prefixes after maximum aggregation: 2212 Prefixes being announced from the LACNIC address blocks: 5686 Unique aggregates announced from the LACNIC address blocks: 3493 LACNIC Region origin ASes present in the Internet Routing Table: 375 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14918144 Equivalent to 0 /8s, 227 /16s and 162 /24s Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1152 Total AfriNIC prefixes after maximum aggregation: 676 Prefixes being announced from the AfriNIC address blocks: 770 Unique aggregates announced from the AfriNIC address blocks: 579 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1848320 Equivalent to 0 /8s, 28 /16s and 52 /24s Percentage of available AfriNIC address space announced: 11.0
AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 1221 853 1091 615 Telstra Pty Ltd 4134 769 3514 140 Data Communications Bureau 4766 488 2896 263 Korea Internet Exchange for " 9583 476 42 25 Satyam Infoway Ltd., 4755 362 125 53 Videsh Sanchar Nigam Ltd. Aut 9443 354 69 78 Primus Telecommunications 2907 353 1841 330 SINET Japan 9929 343 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 703 330 375 257 UUNET 17557 327 23 167 Pakistan Telecom 2764 296 275 242 connect.com.au pty ltd 7474 265 268 208 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 224 367 62 CHINA UNICOM 4780 212 193 26 Digital United Inc. 9498 194 47 46 BHARTI BT INTERNET LTD. 17974 179 51 97 PT TELEKOMUNIKASI INDONESIA 4837 176 1683 105 chinanet IDC center beijing n 10036 173 16 162 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1449 6892 1010 AT&T 701 1309 8529 938 UUNET Technologies, Inc. 1239 937 3016 639 Sprint 3356 891 10900 675 Level 3 Communications, LLC 209 734 3459 501 Qwest 4323 726 560 198 Time Warner Communications, I 18566 704 192 8 Covad Communications 6197 702 520 269 BellSouth Network Solutions, 6198 558 368 211 BellSouth Network Solutions, 20115 555 365 290 Charter Communications 852 513 1142 404 Telus Advanced Communications 7843 496 646 115 Adelphia Corp. 7132 447 7851 333 Southwestern Bell Internet Se 2386 429 601 232 AT&T Data Communications Serv 705 402 147 276 UUNET Technologies, Inc. 6347 401 388 90 SAVVIS Communications Corpora 4355 391 323 101 EarthLink, Inc. 22909 387 840 29 Comcast Cable Corporation 376 384 359 112 Reseau Interordinateurs Scien 5668 380 71 17 Century Telephone
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 651 2037 546 UUNET - Commercial IP service 3320 296 2477 236 Deutsche Telekom AG 3301 273 1096 263 TeliaNet Sweden 8220 273 428 260 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 240 493 196 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 203 461 200 Song Networks 5515 202 795 144 Sonera Solution Autonomous Sy 3215 176 833 69 France Telecom Transpac 8708 174 111 163 Romania Data Systems S.A. 25186 174 172 115 France Telecom Transpac's Tra 786 172 1778 172 The JANET IP Service 6746 152 29 126 Dynamic Network Technologies, 5400 150 225 128 BT Ignite European Backbone 3269 137 1101 65 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 123 18 29 MobiFon S.A. 8866 115 13 6 Bulgarian Telecommunication C 1273 113 166 89 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 386 124 65 ImpSat 11172 360 96 56 Servicios Alestra S.A de C.V 8151 267 373 128 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 143 53 32 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 130 219 89 AVANTEL, S.A. 11992 89 9 28 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 79 5 16 Chilesat Servicios Empresari 15311 75 19 37 Telefonica Empresas 14420 73 5 32 ANDINATEL S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14535 70 6 5 Techtel S.A. 11311 69 7 19 Sinectis S.A. 14259 68 4 5 GTD Internet S.A. 10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA 7080 64 4 1 Electronica y Comunicaciones
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 254 632 219 The Internet Solution 5536 107 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 272 79 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 27 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 16637 25 9 18 Johnnic e-Ventures 6713 24 38 9 Itissalat Al-MAGHRIB 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 8524 23 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 14 22 13 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 18566 704 696 Covad Communications 4134 769 629 Data Communications Bureau 4323 726 528 Time Warner Communications, I 9583 476 451 Satyam Infoway Ltd., 6197 702 433 BellSouth Network Solutions, 7843 496 381 Adelphia Corp. 701 1309 371 UUNET Technologies, Inc. 5668 380 363 Century Telephone 22909 387 358 Comcast Cable Corporation 6198 558 347 BellSouth Network Solutions, 27364 359 340 Armstrong Cable Services 22773 372 328 Cox Communications, Inc. Atla 6140 386 321 ImpSat 6347 401 311 SAVVIS Communications Corpora 9929 343 310 China Netcom Corp. 4755 362 309 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 11172 360 304 Servicios Alestra S.A de C.V 1239 937 298 Sprint 4355 391 290 EarthLink, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 65001 PRIVATE 148.235.124.0/24 8151 UniNet S.A. de C.V. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65001 PRIVATE 200.79.116.0/24 8151 UniNet S.A. de C.V. 65502 PRIVATE 203.97.150.0/24 7714 TelstraClear 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 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 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA 192.172.11.0/24 721 DLA Systems Automation Center
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 /10:6 /11:15 /12:59 /13:120 /14:293 /15:511 /16:7750 /17:2021 /18:3596 /19:9383 /20:9873 /21:7179 /22:10185 /23:11527 /24:75073 /25:198 /26:232 /27:124 /28:31 /29:8 /30:54 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 687 704 Covad Communications 7018 552 1449 AT&T 6197 533 702 BellSouth Network Solutions, 3356 506 891 Level 3 Communications, LLC 702 396 651 UUNET - Commercial IP service 6198 395 558 BellSouth Network Solutions, 701 364 1309 UUNET Technologies, Inc. 1239 361 937 Sprint 27364 347 359 Armstrong Cable Services 5668 332 380 Century Telephone 9583 314 476 Satyam Infoway Ltd., 4766 311 488 Korea Internet Exchange for " 20115 296 555 Charter Communications 9929 273 343 China Netcom Corp. 14824 250 275 NewSouth Communications Corp. 690 247 283 Merit Network 3320 245 296 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 13609 235 276 Choice One Communications Inc 6517 231 257 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:818 13:1 15:5 16:1 17:3 20:8 24:722 32:97 38:69 40:54 44:3 55:1 56:4 57:15 61:376 62:490 63:1824 64:1834 65:1989 66:2504 67:312 68:513 69:555 70:64 80:504 81:298 82:174 83:56 128:148 129:195 130:82 131:131 132:18 133:1 134:179 135:17 136:186 137:106 138:157 139:41 140:156 141:126 142:117 143:53 144:91 145:42 146:299 147:76 148:403 149:117 150:93 151:66 152:165 153:62 154:1 155:120 156:61 157:58 158:145 159:147 160:53 161:54 162:381 163:73 164:158 165:160 166:99 167:218 168:225 169:105 170:286 171:8 192:5531 193:2693 194:2020 195:1361 196:548 198:3684 199:3059 200:3457 201:7 202:4569 203:5553 204:3044 205:1990 206:2254 207:2445 208:2239 209:2790 210:1437 211:550 212:970 213:1157 214:56 215:28 216:3387 217:918 218:169 219:108 220:217 221:28 222:28
End of report
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