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Routing Table Report 04:00 +10GMT Tue 01 Jun, 2004
Analysis Summary ----------------
BGP routing table entries examined: 140812 Prefixes after maximum aggregation: 85269 Unique aggregates announced to Internet: 67540 Total ASes present in the Internet Routing Table: 17347 Origin-only ASes present in the Internet Routing Table: 15047 Origin ASes announcing only one prefix: 6979 Transit ASes present in the Internet Routing Table: 2300 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 13 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1291476220 Equivalent to 76 /8s, 250 /16s and 92 /24s Percentage of available address space announced: 34.8 Percentage of allocated address space announced: 57.2 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 63784
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26907 Total APNIC prefixes after maximum aggregation: 13858 Prefixes being announced from the APNIC address blocks: 25210 Unique aggregates announced from the APNIC address blocks: 13875 APNIC Region origin ASes present in the Internet Routing Table: 2061 APNIC Region origin ASes announcing only one prefix: 614 APNIC Region transit ASes present in the Internet Routing Table: 337 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 148797184 Equivalent to 8 /8s, 222 /16s and 119 /24s Percentage of available APNIC address space announced: 67.9
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: 81120 Total ARIN prefixes after maximum aggregation: 50264 Prefixes being announced from the ARIN address blocks: 62662 Unique aggregates announced from the ARIN address blocks: 21722 ARIN Region origin ASes present in the Internet Routing Table: 9249 ARIN Region origin ASes announcing only one prefix: 3277 ARIN Region transit ASes present in the Internet Routing Table: 914 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 224522784 Equivalent to 13 /8s, 97 /16s and 242 /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 - 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: 25559 Total RIPE prefixes after maximum aggregation: 18233 Prefixes being announced from the RIPE address blocks: 22367 Unique aggregates announced from the RIPE address blocks: 14894 RIPE Region origin ASes present in the Internet Routing Table: 5497 RIPE Region origin ASes announcing only one prefix: 2958 RIPE Region transit ASes present in the Internet Routing Table: 935 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 163058432 Equivalent to 9 /8s, 184 /16s and 19 /24s Percentage of available RIPE address space announced: 57.2
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: 6070 Total LACNIC prefixes after maximum aggregation: 2242 Prefixes being announced from the LACNIC address blocks: 5720 Unique aggregates announced from the LACNIC address blocks: 3511 LACNIC Region origin ASes present in the Internet Routing Table: 379 LACNIC Region origin ASes announcing only one prefix: 108 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 14966016 Equivalent to 0 /8s, 228 /16s and 93 /24s Percentage of available LACNIC address space announced: 44.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1149 Total AfriNIC prefixes after maximum aggregation: 672 Prefixes being announced from the AfriNIC address blocks: 776 Unique aggregates announced from the AfriNIC address blocks: 582 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: 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: 1865216 Equivalent to 0 /8s, 28 /16s and 118 /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 847 1091 612 Telstra Pty Ltd 4134 735 3532 143 Data Communications Bureau 4766 490 2896 264 Korea Internet Exchange for " 9583 436 34 130 Satyam Infoway Ltd., 4663 404 54 17 ELIMNET, INC 4755 365 125 56 Videsh Sanchar Nigam Ltd. Aut 9443 355 69 79 Primus Telecommunications 2907 353 1841 330 SINET Japan 9929 347 156 33 China Netcom Corp. 17676 341 5084 33 XTAGE CORPORATION 17557 330 23 165 Pakistan Telecom 703 329 375 256 UUNET 2764 295 274 241 connect.com.au pty ltd 7474 263 268 207 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 225 367 62 CHINA UNICOM 9498 218 48 47 BHARTI BT INTERNET LTD. 4780 210 193 26 Digital United Inc. 4837 181 2003 108 chinanet IDC center beijing n 10036 180 16 168 C&M Communication Co. Ltd.
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1440 6891 1000 AT&T 701 1311 8513 938 UUNET Technologies, Inc. 6347 939 395 100 SAVVIS Communications Corpora 1239 931 3013 632 Sprint 3356 893 10900 678 Level 3 Communications, LLC 209 737 3458 502 Qwest 4323 736 568 206 Time Warner Communications, I 6197 709 525 274 BellSouth Network Solutions, 18566 707 192 8 Covad Communications 6198 561 375 214 BellSouth Network Solutions, 721 554 4445 407 DLA Systems Automation Center 20115 552 365 286 Charter Communications 852 515 1142 405 Telus Advanced Communications 7843 505 648 119 Adelphia Corp. 7132 448 7849 334 Southwestern Bell Internet Se 2386 427 582 231 AT&T Data Communications Serv 705 404 147 278 UUNET Technologies, Inc. 4355 393 323 103 EarthLink, Inc. 22909 390 843 25 Comcast Cable Corporation 376 384 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 649 2038 544 UUNET - Commercial IP service 3320 297 2477 237 Deutsche Telekom AG 8220 273 429 261 COLT Internet - International 3301 272 1096 262 TeliaNet Sweden 1257 248 495 199 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 205 464 202 Song Networks 5515 198 779 143 Sonera Solution Autonomous Sy 719 180 288 102 LANLINK autonomous system 3215 176 831 68 France Telecom Transpac 25186 175 172 116 France Telecom Transpac's Tra 8708 174 111 163 Romania Data Systems S.A. 786 172 1778 172 The JANET IP Service 6746 154 29 127 Dynamic Network Technologies, 5400 143 207 121 BT Ignite European Backbone 3269 135 1101 65 TELECOM ITALIA 3303 132 611 132 Swisscom Ltd 12302 123 18 29 MobiFon S.A. 1273 115 166 91 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 358 80 55 Servicios Alestra S.A de C.V 6140 345 124 66 ImpSat 8151 269 373 130 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 131 219 90 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 14535 74 6 5 Techtel S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 11311 69 7 19 Sinectis S.A. 14420 69 4 28 ANDINATEL S.A. 14259 67 4 5 GTD Internet S.A. 10292 65 6 28 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 108 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 11845 37 9 11 Data Pro Business Online 24835 30 18 6 RAYA Telecom - Egypt 5713 26 125 24 Telkom SA Ltd 9129 25 3 4 UUNET Kenya 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 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15804 12 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 939 839 SAVVIS Communications Corpora 18566 707 699 Covad Communications 4134 735 592 Data Communications Bureau 4323 736 530 Time Warner Communications, I 6197 709 435 BellSouth Network Solutions, 4663 404 387 ELIMNET, INC 7843 505 386 Adelphia Corp. 701 1311 373 UUNET Technologies, Inc. 22909 390 365 Comcast Cable Corporation 5668 380 363 Century Telephone 6198 561 347 BellSouth Network Solutions, 27364 363 344 Armstrong Cable Services 22773 377 328 Cox Communications, Inc. Atla 9929 347 314 China Netcom Corp. 4755 365 309 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 9583 436 306 Satyam Infoway Ltd., 11172 358 303 Servicios Alestra S.A de C.V 1239 931 299 Sprint 4355 393 290 EarthLink, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 64512 PRIVATE 61.17.25.0/24 10199 DishnetDSL Limited 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 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 5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati 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 /8:18 /9:3 /10:6 /11:15 /12:59 /13:123 /14:295 /15:513 /16:7756 /17:2021 /18:3603 /19:9393 /20:9910 /21:7256 /22:10305 /23:11639 /24:76945 /25:314 /26:396 /27:136 /28:31 /29:8 /30:55 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 714 939 SAVVIS Communications Corpora 18566 690 707 Covad Communications 7018 556 1440 AT&T 6197 538 709 BellSouth Network Solutions, 3356 509 893 Level 3 Communications, LLC 702 395 649 UUNET - Commercial IP service 6198 394 561 BellSouth Network Solutions, 701 369 1311 UUNET Technologies, Inc. 1239 366 931 Sprint 4663 366 404 ELIMNET, INC 27364 351 363 Armstrong Cable Services 5668 332 380 Century Telephone 4766 311 490 Korea Internet Exchange for " 20115 294 552 Charter Communications 9583 282 436 Satyam Infoway Ltd., 9929 277 347 China Netcom Corp. 14824 251 276 NewSouth Communications Corp. 690 247 283 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:816 13:1 15:5 16:2 17:3 20:8 24:734 32:101 38:68 40:54 44:3 55:1 56:3 57:15 61:382 62:482 63:1828 64:1952 65:1993 66:2608 67:317 68:525 69:526 70:64 80:492 81:294 82:173 83:61 128:143 129:185 130:81 131:131 132:18 133:1 134:181 135:17 136:179 137:92 138:156 139:43 140:165 141:124 142:117 143:63 144:88 145:42 146:301 147:76 148:408 149:118 150:93 151:71 152:165 153:62 154:1 155:118 156:61 157:59 158:144 159:146 160:54 161:55 162:379 163:75 164:166 165:161 166:99 167:220 168:225 169:105 170:286 171:8 192:5721 193:2731 194:2026 195:1367 196:555 198:3929 199:3275 200:3474 201:7 202:4589 203:5606 204:3051 205:2279 206:2275 207:2451 208:2243 209:2946 210:1473 211:603 212:971 213:1171 214:223 215:29 216:3457 217:925 218:168 219:110 220:229 221:27 222:38
End of report
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