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Routing Table Report 04:00 +10GMT Fri 16 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142418 Prefixes after maximum aggregation: 85524 Unique aggregates announced to Internet: 68539 Total ASes present in the Internet Routing Table: 17595 Origin-only ASes present in the Internet Routing Table: 15249 Origin ASes announcing only one prefix: 7146 Transit ASes present in the Internet Routing Table: 2346 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: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1302454544 Equivalent to 77 /8s, 161 /16s and 225 /24s Percentage of available address space announced: 35.1 Percentage of allocated address space announced: 57.7 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65436
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27319 Total APNIC prefixes after maximum aggregation: 14033 Prefixes being announced from the APNIC address blocks: 25540 Unique aggregates announced from the APNIC address blocks: 13978 APNIC Region origin ASes present in the Internet Routing Table: 2072 APNIC Region origin ASes announcing only one prefix: 624 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 153135552 Equivalent to 9 /8s, 32 /16s and 169 /24s Percentage of available APNIC address space announced: 69.9
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: 81422 Total ARIN prefixes after maximum aggregation: 49986 Prefixes being announced from the ARIN address blocks: 63196 Unique aggregates announced from the ARIN address blocks: 21971 ARIN Region origin ASes present in the Internet Routing Table: 9319 ARIN Region origin ASes announcing only one prefix: 3338 ARIN Region transit ASes present in the Internet Routing Table: 911 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 227420960 Equivalent to 13 /8s, 142 /16s and 43 /24s Percentage of available ARIN address space announced: 75.3
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: 26302 Total RIPE prefixes after maximum aggregation: 18574 Prefixes being announced from the RIPE address blocks: 23086 Unique aggregates announced from the RIPE address blocks: 15313 RIPE Region origin ASes present in the Internet Routing Table: 5659 RIPE Region origin ASes announcing only one prefix: 3052 RIPE Region transit ASes present in the Internet Routing Table: 983 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 166214208 Equivalent to 9 /8s, 232 /16s and 58 /24s Percentage of available RIPE address space announced: 58.3
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: 6179 Total LACNIC prefixes after maximum aggregation: 2247 Prefixes being announced from the LACNIC address blocks: 5843 Unique aggregates announced from the LACNIC address blocks: 3579 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: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15297536 Equivalent to 0 /8s, 233 /16s and 108 /24s Percentage of available LACNIC address space announced: 45.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1193 Total AfriNIC prefixes after maximum aggregation: 684 Prefixes being announced from the AfriNIC address blocks: 811 Unique aggregates announced from the AfriNIC address blocks: 640 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 22 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: 15 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 817 1057 590 Telstra Pty Ltd 4134 808 4080 149 Data Communications Bureau 4766 499 2895 264 Korea Internet Exchange for " 9583 491 40 106 Satyam Infoway Ltd., 4755 402 134 59 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 326 157 32 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 319 343 248 UUNET 2764 290 258 238 connect.com.au pty ltd 7474 266 269 206 Optus Communications Pty Ltd 9942 230 71 128 COMindico Australia 4802 226 25 141 Wantree Development 9800 225 369 62 CHINA UNICOM 9498 220 48 50 BHARTI BT INTERNET LTD. 17633 204 54 8 ASN for Shandong Provincial N 10036 198 18 179 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 1423 6878 989 AT&T 701 1297 8440 928 UUNET Technologies, Inc. 6347 965 396 102 SAVVIS Communications Corpora 1239 938 2889 631 Sprint 3356 909 11092 687 Level 3 Communications, LLC 4323 744 569 210 Time Warner Communications, I 18566 726 192 8 Covad Communications 6197 714 526 280 BellSouth Network Solutions, 209 608 3435 498 Qwest 20115 566 376 291 Charter Communications 7843 515 669 130 Adelphia Corp. 6198 512 396 214 BellSouth Network Solutions, 852 510 1142 398 Telus Advanced Communications 7132 478 7889 362 Southwestern Bell Internet Se 721 465 15262 336 DLA Systems Automation Center 2386 407 533 227 AT&T Data Communications Serv 22909 398 826 22 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 705 386 128 262 UUNET Technologies, Inc. 376 385 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 648 2039 540 UUNET - Commercial IP service 3320 298 2463 238 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 276 429 263 COLT Internet - International 1257 248 498 196 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 213 479 210 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 190 112 177 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 156 29 126 Dynamic Network Technologies, 719 150 288 102 LANLINK autonomous system 5400 145 207 122 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 130 609 129 Swisscom Ltd 8866 130 14 11 Bulgarian Telecommunication C 12302 128 18 32 MobiFon S.A.
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 356 96 58 Servicios Alestra S.A de C.V 6140 334 140 65 ImpSat 8151 276 389 128 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 129 202 87 AVANTEL, S.A. 7303 117 54 17 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 79 5 29 ANDINATEL S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 18 Sinectis S.A. 14535 72 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 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 91 276 80 The Internetworking Company o 11845 39 9 11 Data Pro Business Online 20928 35 16 1 Noor Advanced Technologies AS 24835 31 18 6 RAYA Telecom - Egypt 14988 29 16 1 Botswana Telecommunications C 16637 29 9 23 Johnnic e-Ventures 6713 26 38 9 Itissalat Al-MAGHRIB 9129 26 3 4 UUNET Kenya 5713 25 125 23 Telkom SA Ltd 8524 24 2 7 AUCEGYPT Autonomous System 12455 23 4 2 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 15706 17 4 4 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
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 965 863 SAVVIS Communications Corpora 18566 726 718 Covad Communications 4134 808 659 Data Communications Bureau 4323 744 534 Time Warner Communications, I 6197 714 434 BellSouth Network Solutions, 7843 515 385 Adelphia Corp. 9583 491 385 Satyam Infoway Ltd., 22909 398 376 Comcast Cable Corporation 701 1297 369 UUNET Technologies, Inc. 5668 381 363 Century Telephone 27364 377 358 Armstrong Cable Services 4755 402 343 Videsh Sanchar Nigam Ltd. Aut 6467 366 334 E.Spire Communications, Inc. 22773 382 327 Cox Communications, Inc. Atla 17676 341 308 XTAGE CORPORATION 1239 938 307 Sprint 6198 512 298 BellSouth Network Solutions, 11172 356 298 Servicios Alestra S.A de C.V 9929 326 294 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 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 /12:60 /13:127 /14:302 /15:527 /16:7904 /17:2112 /18:3686 /19:9549 /20:10030 /21:7364 /22:10321 /23:11890 /24:77842 /25:222 /26:205 /27:111 /28:28 /29:16 /30:68 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 744 965 SAVVIS Communications Corpora 18566 709 726 Covad Communications 7018 544 1423 AT&T 6197 542 714 BellSouth Network Solutions, 3356 501 909 Level 3 Communications, LLC 702 397 648 UUNET - Commercial IP service 6198 381 512 BellSouth Network Solutions, 1239 374 938 Sprint 701 369 1297 UUNET Technologies, Inc. 27364 364 377 Armstrong Cable Services 9583 336 491 Satyam Infoway Ltd., 5668 334 381 Century Telephone 4766 316 499 Korea Internet Exchange for " 20115 300 566 Charter Communications 6467 267 366 E.Spire Communications, Inc. 9929 258 326 China Netcom Corp. 14824 255 279 NewSouth Communications Corp. 3320 247 298 Deutsche Telekom AG 6517 245 271 Yipes Communications, Inc. 13609 245 288 Choice One Communications Inc
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:832 13:1 15:5 16:2 17:3 20:7 24:760 32:65 33:2 38:74 40:54 44:4 55:1 56:3 57:16 60:4 61:444 62:504 63:1870 64:2068 65:2035 66:2718 67:329 68:504 69:638 70:64 80:564 81:342 82:187 83:106 84:6 128:148 129:171 130:81 131:185 132:23 134:178 135:17 136:178 137:54 138:169 139:35 140:166 141:106 142:119 143:60 144:102 145:42 146:288 147:88 148:417 149:109 150:94 151:71 152:160 153:64 154:2 155:148 156:57 157:63 158:139 159:148 160:52 161:66 162:382 163:76 164:185 165:164 166:109 167:217 168:232 169:110 170:285 171:8 192:5559 193:2821 194:2062 195:1386 196:575 198:3643 199:3101 200:3604 201:9 202:4738 203:5659 204:3119 205:2096 206:2263 207:2506 208:2191 209:3050 210:1452 211:575 212:993 213:1185 214:70 215:30 216:3751 217:981 218:166 219:119 220:227 221:31 222:97
End of report
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