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Routing Table Report 04:00 +10GMT Thu 10 Jun, 2004
Analysis Summary ----------------
BGP routing table entries examined: 140331 Prefixes after maximum aggregation: 84849 Unique aggregates announced to Internet: 68002 Total ASes present in the Internet Routing Table: 17385 Origin-only ASes present in the Internet Routing Table: 15084 Origin ASes announcing only one prefix: 7011 Transit ASes present in the Internet Routing Table: 2301 Transit-only ASes present in the Internet Routing Table: 73 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: 38 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1311395836 Equivalent to 78 /8s, 42 /16s and 79 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.1 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 64041
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26715 Total APNIC prefixes after maximum aggregation: 13862 Prefixes being announced from the APNIC address blocks: 24988 Unique aggregates announced from the APNIC address blocks: 13967 APNIC Region origin ASes present in the Internet Routing Table: 2060 APNIC Region origin ASes announcing only one prefix: 611 APNIC Region transit ASes present in the Internet Routing Table: 340 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 149406464 Equivalent to 8 /8s, 231 /16s and 195 /24s Percentage of available APNIC address space announced: 68.2
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: 80579 Total ARIN prefixes after maximum aggregation: 49758 Prefixes being announced from the ARIN address blocks: 62391 Unique aggregates announced from the ARIN address blocks: 21915 ARIN Region origin ASes present in the Internet Routing Table: 9243 ARIN Region origin ASes announcing only one prefix: 3287 ARIN Region transit ASes present in the Internet Routing Table: 906 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 225159968 Equivalent to 13 /8s, 107 /16s and 171 /24s Percentage of available ARIN address space announced: 74.6
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 - 33791 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: 25747 Total RIPE prefixes after maximum aggregation: 18306 Prefixes being announced from the RIPE address blocks: 22550 Unique aggregates announced from the RIPE address blocks: 15059 RIPE Region origin ASes present in the Internet Routing Table: 5538 RIPE Region origin ASes announcing only one prefix: 2981 RIPE Region transit ASes present in the Internet Routing Table: 940 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 164484352 Equivalent to 9 /8s, 205 /16s and 213 /24s Percentage of available RIPE address space announced: 57.7
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: 6110 Total LACNIC prefixes after maximum aggregation: 2247 Prefixes being announced from the LACNIC address blocks: 5734 Unique aggregates announced from the LACNIC address blocks: 3521 LACNIC Region origin ASes present in the Internet Routing Table: 381 LACNIC Region origin ASes announcing only one prefix: 110 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14996224 Equivalent to 0 /8s, 228 /16s and 211 /24s Percentage of available LACNIC address space announced: 44.7
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1147 Total AfriNIC prefixes after maximum aggregation: 676 Prefixes being announced from the AfriNIC address blocks: 778 Unique aggregates announced from the AfriNIC address blocks: 584 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1865728 Equivalent to 0 /8s, 28 /16s and 120 /24s Percentage of available AfriNIC address space announced: 11.1
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 845 1075 613 Telstra Pty Ltd 4134 789 3628 142 Data Communications Bureau 4766 491 2896 264 Korea Internet Exchange for " 9583 450 34 131 Satyam Infoway Ltd., 4755 367 133 53 Videsh Sanchar Nigam Ltd. Aut 9443 355 69 79 Primus Telecommunications 2907 352 1841 329 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 703 329 375 256 UUNET 17557 329 23 165 Pakistan Telecom 9929 323 156 33 China Netcom Corp. 2764 294 274 241 connect.com.au pty ltd 7474 263 267 206 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 215 47 46 BHARTI BT INTERNET LTD. 4780 209 193 26 Digital United Inc. 4837 182 2019 105 chinanet IDC center beijing n 10036 181 17 169 C&M Communication Co. Ltd. 9304 168 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1433 6890 995 AT&T 701 1304 8509 928 UUNET Technologies, Inc. 6347 939 400 98 SAVVIS Communications Corpora 1239 938 3000 636 Sprint 3356 896 10901 680 Level 3 Communications, LLC 4323 736 547 204 Time Warner Communications, I 209 734 3456 503 Qwest 18566 710 192 8 Covad Communications 6197 709 525 275 BellSouth Network Solutions, 6198 573 440 220 BellSouth Network Solutions, 20115 559 368 287 Charter Communications 852 511 1142 402 Telus Advanced Communications 7843 505 650 127 Adelphia Corp. 7132 452 7868 338 Southwestern Bell Internet Se 2386 431 582 232 AT&T Data Communications Serv 705 394 144 269 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 22773 385 779 53 Cox Communications, Inc. Atla 376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 647 2055 540 UUNET - Commercial IP service 3320 297 2462 237 Deutsche Telekom AG 3301 274 1097 264 TeliaNet Sweden 8220 273 429 261 COLT Internet - International 1257 250 497 196 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 209 468 206 Song Networks 5515 199 907 144 Sonera Solution Autonomous Sy 8708 182 112 170 Romania Data Systems S.A. 3215 181 895 69 France Telecom Transpac 719 179 288 102 LANLINK autonomous system 25186 175 156 116 France Telecom Transpac's Tra 786 174 1794 174 The JANET IP Service 6746 156 29 127 Dynamic Network Technologies, 5400 142 206 118 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 125 18 31 MobiFon S.A. 8866 121 14 8 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 359 96 57 Servicios Alestra S.A de C.V 6140 346 140 67 ImpSat 8151 272 373 130 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 160 82 21 Telefonica Del Peru 7303 144 53 31 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 128 218 88 AVANTEL, S.A. 11992 101 9 28 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 79 5 16 Chilesat Servicios Empresari 14420 76 5 32 ANDINATEL S.A. 14535 75 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 70 18 9 Red de Interconexion Universi 14259 67 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 253 632 220 The Internet Solution 5536 109 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 89 276 79 The Internetworking Company o 11845 38 9 11 Data Pro Business Online 24835 30 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 8524 24 2 7 AUCEGYPT Autonomous System 12455 24 4 2 Jambonet Autonomous system 14988 21 16 1 Botswana Telecommunications C 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 13 6 12 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 6347 939 841 SAVVIS Communications Corpora 18566 710 702 Covad Communications 4134 789 647 Data Communications Bureau 4323 736 532 Time Warner Communications, I 6197 709 434 BellSouth Network Solutions, 7843 505 378 Adelphia Corp. 701 1304 376 UUNET Technologies, Inc. 5668 383 366 Century Telephone 22909 390 365 Comcast Cable Corporation 6198 573 353 BellSouth Network Solutions, 27364 360 341 Armstrong Cable Services 22773 385 332 Cox Communications, Inc. Atla 9583 450 319 Satyam Infoway Ltd., 4755 367 314 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 938 302 Sprint 11172 359 302 Servicios Alestra S.A de C.V 4355 393 290 EarthLink, Inc. 9929 323 290 China Netcom Corp. 6140 346 279 ImpSat
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 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 64601 PRIVATE 61.233.0.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.1.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.2.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.3.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.4.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.5.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.6.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.7.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.8.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.10.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.11.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.12.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.14.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.15.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.16.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.17.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.18.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.19.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.20.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.21.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.22.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.23.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.24.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.25.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.26.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.27.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.28.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.29.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.30.0/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 61.233.31.0/24 9394 CHINA RAILWAY Intern 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 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 192.172.0.0/19 721 DLA Systems Automation Center 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 /13:125 /14:297 /15:515 /16:7854 /17:2052 /18:3618 /19:9412 /20:9890 /21:7250 /22:10299 /23:11701 /24:76468 /25:226 /26:256 /27:138 /28:31 /29:14 /30:69 /31:0 /32:14
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 716 939 SAVVIS Communications Corpora 18566 693 710 Covad Communications 7018 552 1433 AT&T 6197 538 709 BellSouth Network Solutions, 3356 510 896 Level 3 Communications, LLC 6198 402 573 BellSouth Network Solutions, 702 398 647 UUNET - Commercial IP service 701 372 1304 UUNET Technologies, Inc. 1239 371 938 Sprint 27364 348 360 Armstrong Cable Services 5668 335 383 Century Telephone 4766 312 491 Korea Internet Exchange for " 9583 301 450 Satyam Infoway Ltd., 20115 298 559 Charter Communications 9929 256 323 China Netcom Corp. 14824 255 281 NewSouth Communications Corp. 3320 247 297 Deutsche Telekom AG 690 246 282 Merit Network 25844 244 244 Skadden, Arps, Slate, Meagher 13609 237 278 Choice One Communications Inc
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:823 13:1 15:5 16:2 17:3 20:8 24:732 32:65 33:1 38:67 40:54 44:3 55:1 56:3 57:16 61:429 62:497 63:1814 64:1968 65:2007 66:2592 67:328 68:524 69:557 70:64 80:494 81:305 82:174 83:70 128:144 129:186 130:81 131:177 132:21 133:1 134:181 135:17 136:186 137:92 138:155 139:44 140:166 141:125 142:117 143:55 144:89 145:42 146:304 147:78 148:418 149:121 150:93 151:71 152:165 153:64 154:1 155:117 156:62 157:60 158:145 159:146 160:52 161:58 162:380 163:77 164:179 165:156 166:94 167:218 168:223 169:106 170:284 171:8 192:5557 193:2754 194:2027 195:1375 196:557 198:3717 199:3103 200:3490 201:8 202:4590 203:5627 204:3101 205:2052 206:2287 207:2494 208:2229 209:2914 210:1420 211:562 212:968 213:1187 214:62 215:30 216:3674 217:948 218:163 219:108 220:227 221:28 222:40
End of report
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