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Routing Table Report 04:00 +10GMT Fri 23 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142713 Prefixes after maximum aggregation: 85517 Unique aggregates announced to Internet: 68739 Total ASes present in the Internet Routing Table: 17634 Origin-only ASes present in the Internet Routing Table: 15300 Origin ASes announcing only one prefix: 7158 Transit ASes present in the Internet Routing Table: 2334 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 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: 19 Number of addresses announced to Internet: 1304737504 Equivalent to 77 /8s, 196 /16s and 182 /24s Percentage of available address space announced: 35.2 Percentage of allocated address space announced: 57.8 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65540
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27464 Total APNIC prefixes after maximum aggregation: 13991 Prefixes being announced from the APNIC address blocks: 25669 Unique aggregates announced from the APNIC address blocks: 14028 APNIC Region origin ASes present in the Internet Routing Table: 2084 APNIC Region origin ASes announcing only one prefix: 627 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 153467392 Equivalent to 9 /8s, 37 /16s and 186 /24s Percentage of available APNIC address space announced: 70.0
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: 81479 Total ARIN prefixes after maximum aggregation: 49985 Prefixes being announced from the ARIN address blocks: 63242 Unique aggregates announced from the ARIN address blocks: 22008 ARIN Region origin ASes present in the Internet Routing Table: 9323 ARIN Region origin ASes announcing only one prefix: 3333 ARIN Region transit ASes present in the Internet Routing Table: 913 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 227982624 Equivalent to 13 /8s, 150 /16s and 189 /24s Percentage of available ARIN address space announced: 75.5
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: 26373 Total RIPE prefixes after maximum aggregation: 18608 Prefixes being announced from the RIPE address blocks: 23164 Unique aggregates announced from the RIPE address blocks: 15366 RIPE Region origin ASes present in the Internet Routing Table: 5680 RIPE Region origin ASes announcing only one prefix: 3064 RIPE Region transit ASes present in the Internet Routing Table: 977 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 167441088 Equivalent to 9 /8s, 250 /16s and 242 /24s Percentage of available RIPE address space announced: 58.7
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, 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: 6195 Total LACNIC prefixes after maximum aggregation: 2250 Prefixes being announced from the LACNIC address blocks: 5865 Unique aggregates announced from the LACNIC address blocks: 3597 LACNIC Region origin ASes present in the Internet Routing Table: 385 LACNIC Region origin ASes announcing only one prefix: 113 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15372032 Equivalent to 0 /8s, 234 /16s and 143 /24s Percentage of available LACNIC address space announced: 45.8
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1198 Total AfriNIC prefixes after maximum aggregation: 683 Prefixes being announced from the AfriNIC address blocks: 810 Unique aggregates announced from the AfriNIC address blocks: 640 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: 13 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1901568 Equivalent to 0 /8s, 29 /16s and 4 /24s Percentage of available AfriNIC address space announced: 11.3
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 819 1056 589 Telstra Pty Ltd 4134 819 4080 150 Data Communications Bureau 4766 500 2895 263 Korea Internet Exchange for " 9583 494 40 107 Satyam Infoway Ltd., 4755 397 134 54 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 329 159 31 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 317 342 246 UUNET 2764 289 258 236 connect.com.au pty ltd 7474 267 269 205 Optus Communications Pty Ltd 9942 237 71 130 COMindico Australia 4802 226 25 141 Wantree Development 9800 225 369 62 CHINA UNICOM 9498 222 48 52 BHARTI BT INTERNET LTD. 17633 201 54 8 ASN for Shandong Provincial N 10036 197 18 178 C&M Communication Co. Ltd. 4837 191 2019 105 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1424 6878 989 AT&T 701 1315 8443 943 UUNET Technologies, Inc. 6347 955 391 122 SAVVIS Communications Corpora 1239 939 2875 627 Sprint 3356 892 10933 673 Level 3 Communications, LLC 4323 740 570 210 Time Warner Communications, I 18566 729 192 8 Covad Communications 6197 722 479 302 BellSouth Network Solutions, 209 612 3442 500 Qwest 721 568 20744 262 DLA Systems Automation Center 20115 566 376 291 Charter Communications 852 511 1142 399 Telus Advanced Communications 7843 511 669 127 Adelphia Corp. 7132 485 7896 367 Southwestern Bell Internet Se 6198 449 394 203 BellSouth Network Solutions, 2386 410 533 229 AT&T Data Communications Serv 22909 397 830 33 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 705 388 128 264 UUNET Technologies, Inc. 376 386 363 113 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 648 2038 539 UUNET - Commercial IP service 3320 300 2468 237 Deutsche Telekom AG 3301 281 1098 270 TeliaNet Sweden 8220 276 433 264 COLT Internet - International 680 244 2025 239 DFN-IP service G-WiN 1257 217 747 186 SWIPnet Swedish IP Network 13083 216 51 8 Mannesmann Datenverarbeitung 3246 215 484 212 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 192 113 176 Romania Data Systems S.A. 3215 182 895 70 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 172 156 114 France Telecom Transpac's Tra 6746 158 29 128 Dynamic Network Technologies, 719 150 288 102 LANLINK autonomous system 5400 146 207 121 BT Ignite European Backbone 3269 138 1131 63 TELECOM ITALIA 8866 132 15 13 Bulgarian Telecommunication C 3303 131 610 130 Swisscom Ltd 12302 128 18 32 MobiFon S.A.
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 351 95 53 Servicios Alestra S.A de C.V 6140 334 140 65 ImpSat 8151 277 389 126 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 186 86 20 Telefonica Del Peru 6505 134 90 92 Global One Communicaoes Ltda 6503 128 202 86 AVANTEL, S.A. 7303 120 55 18 Telecom Argentina Stet-France 11992 91 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 81 5 16 Chilesat Servicios Empresari 14420 81 5 31 ANDINATEL S.A. 11311 80 7 18 Sinectis S.A. 15311 75 19 37 Telefonica Empresas 14535 73 6 5 Techtel S.A. 5639 71 8 8 Telecommunications Services o 4270 70 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA 11340 67 5 36 Red Universitaria Nacional
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 252 632 219 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 20928 42 16 1 Noor Advanced Technologies AS 11845 39 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 16637 30 9 23 Johnnic e-Ventures 9129 27 3 4 UUNET Kenya 6713 26 38 9 Itissalat Al-MAGHRIB 5713 25 125 23 Telkom SA Ltd 8524 24 2 7 AUCEGYPT Autonomous System 14988 24 16 1 Botswana Telecommunications C 12455 23 4 2 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 12258 15 3 10 Vodacom Internet Company 15706 15 4 2 Sudatel Internet Exchange Aut 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 955 833 SAVVIS Communications Corpora 18566 729 721 Covad Communications 4134 819 669 Data Communications Bureau 4323 740 530 Time Warner Communications, I 6197 722 420 BellSouth Network Solutions, 9583 494 387 Satyam Infoway Ltd., 7843 511 384 Adelphia Corp. 701 1315 372 UUNET Technologies, Inc. 5668 383 365 Century Telephone 22909 397 364 Comcast Cable Corporation 4755 397 343 Videsh Sanchar Nigam Ltd. Aut 6467 369 336 E.Spire Communications, Inc. 27364 349 330 Armstrong Cable Services 22773 386 328 Cox Communications, Inc. Atla 1239 939 312 Sprint 17676 341 308 XTAGE CORPORATION 721 568 306 DLA Systems Automation Center 11172 351 298 Servicios Alestra S.A de C.V 9929 329 298 China Netcom Corp. 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 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65534 PRIVATE 80.68.80.0/20 8943 Jump Networks Ltd. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom 63330 RESERVED 213.8.224.0/23 5486 Euronet Digital Comm 63330 RESERVED 213.8.226.0/23 5486 Euronet Digital Comm
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 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 721 DLA Systems Automation Center 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 /8:18 /9:3 /10:6 /11:15 /12:61 /13:127 /14:301 /15:530 /16:7914 /17:2126 /18:3706 /19:9553 /20:10065 /21:7392 /22:10365 /23:11883 /24:77986 /25:220 /26:198 /27:116 /28:34 /29:17 /30:67 /31:0 /32:10
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 737 955 SAVVIS Communications Corpora 18566 712 729 Covad Communications 6197 553 722 BellSouth Network Solutions, 7018 547 1424 AT&T 3356 500 892 Level 3 Communications, LLC 702 397 648 UUNET - Commercial IP service 701 390 1315 UUNET Technologies, Inc. 1239 370 939 Sprint 9583 339 494 Satyam Infoway Ltd., 5668 336 383 Century Telephone 27364 336 349 Armstrong Cable Services 6198 331 449 BellSouth Network Solutions, 4766 317 500 Korea Internet Exchange for " 20115 300 566 Charter Communications 6467 268 369 E.Spire Communications, Inc. 9929 260 329 China Netcom Corp. 14824 254 278 NewSouth Communications Corp. 3320 248 300 Deutsche Telekom AG 13609 245 288 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:835 13:1 15:5 16:2 17:3 20:7 24:740 32:66 33:2 38:75 40:54 44:4 55:1 56:3 57:16 60:5 61:441 62:506 63:1885 64:2068 65:2039 66:2711 67:335 68:505 69:683 70:64 80:563 81:347 82:188 83:114 84:6 128:149 129:171 130:81 131:186 132:23 134:178 135:17 136:174 137:54 138:170 139:35 140:166 141:105 142:118 143:60 144:100 145:42 146:287 147:89 148:417 149:111 150:92 151:69 152:162 153:64 154:2 155:126 156:57 157:65 158:139 159:148 160:53 161:65 162:385 163:79 164:185 165:165 166:111 167:216 168:233 169:116 170:285 171:8 192:5560 193:2828 194:2066 195:1395 196:575 198:3644 199:3100 200:3619 201:8 202:4774 203:5690 204:3129 205:2071 206:2258 207:2505 208:2179 209:3057 210:1450 211:575 212:997 213:1190 214:70 215:30 216:3756 217:978 218:172 219:120 220:227 221:31 222:97
End of report
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