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Routing Table Report 04:00 +10GMT Thu 15 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142311 Prefixes after maximum aggregation: 85525 Unique aggregates announced to Internet: 68509 Total ASes present in the Internet Routing Table: 17589 Origin-only ASes present in the Internet Routing Table: 15238 Origin ASes announcing only one prefix: 7143 Transit ASes present in the Internet Routing Table: 2351 Transit-only ASes present in the Internet Routing Table: 74 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: 1302299920 Equivalent to 77 /8s, 159 /16s and 133 /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: 65313
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27325 Total APNIC prefixes after maximum aggregation: 14024 Prefixes being announced from the APNIC address blocks: 25547 Unique aggregates announced from the APNIC address blocks: 13986 APNIC Region origin ASes present in the Internet Routing Table: 2070 APNIC Region origin ASes announcing only one prefix: 623 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 152970944 Equivalent to 9 /8s, 30 /16s and 38 /24s Percentage of available APNIC address space announced: 69.8
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: 81368 Total ARIN prefixes after maximum aggregation: 50001 Prefixes being announced from the ARIN address blocks: 63169 Unique aggregates announced from the ARIN address blocks: 21951 ARIN Region origin ASes present in the Internet Routing Table: 9314 ARIN Region origin ASes announcing only one prefix: 3337 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: 17 Number of ARIN addresses announced to Internet: 227447584 Equivalent to 13 /8s, 142 /16s and 147 /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: 26282 Total RIPE prefixes after maximum aggregation: 18572 Prefixes being announced from the RIPE address blocks: 23039 Unique aggregates announced from the RIPE address blocks: 15318 RIPE Region origin ASes present in the Internet Routing Table: 5659 RIPE Region origin ASes announcing only one prefix: 3051 RIPE Region transit ASes present in the Internet Routing Table: 987 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 166154560 Equivalent to 9 /8s, 231 /16s and 81 /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: 6175 Total LACNIC prefixes after maximum aggregation: 2244 Prefixes being announced from the LACNIC address blocks: 5827 Unique aggregates announced from the LACNIC address blocks: 3575 LACNIC Region origin ASes present in the Internet Routing Table: 380 LACNIC Region origin ASes announcing only one prefix: 109 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: 15280384 Equivalent to 0 /8s, 233 /16s and 41 /24s Percentage of available LACNIC address space announced: 45.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1158 Total AfriNIC prefixes after maximum aggregation: 684 Prefixes being announced from the AfriNIC address blocks: 810 Unique aggregates announced from the AfriNIC address blocks: 639 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 23 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: 1901312 Equivalent to 0 /8s, 29 /16s and 3 /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 4134 827 4048 149 Data Communications Bureau 1221 821 1057 591 Telstra Pty Ltd 4766 491 2895 262 Korea Internet Exchange for " 9583 490 39 105 Satyam Infoway Ltd., 4755 403 134 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 327 157 32 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 319 342 248 UUNET 2764 289 258 238 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 224 369 62 CHINA UNICOM 9498 219 48 50 BHARTI BT INTERNET LTD. 10036 198 18 179 C&M Communication Co. Ltd. 4837 191 2019 105 chinanet IDC center beijing n 17974 183 51 99 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1417 6877 984 AT&T 701 1306 8457 937 UUNET Technologies, Inc. 6347 964 396 102 SAVVIS Communications Corpora 1239 940 2890 633 Sprint 3356 893 10932 674 Level 3 Communications, LLC 4323 740 569 206 Time Warner Communications, I 18566 726 192 8 Covad Communications 6197 715 526 281 BellSouth Network Solutions, 209 615 3454 505 Qwest 20115 566 376 291 Charter Communications 7843 513 669 128 Adelphia Corp. 6198 512 396 214 BellSouth Network Solutions, 852 510 1142 398 Telus Advanced Communications 7132 468 7879 352 Southwestern Bell Internet Se 721 466 15263 337 DLA Systems Automation Center 2386 409 549 228 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 702 652 2040 544 UUNET - Commercial IP service 3320 298 2463 238 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 275 429 262 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 191 112 177 Romania Data Systems S.A. 3215 178 895 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 135 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 72 7 17 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 24835 31 18 6 RAYA Telecom - Egypt 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 14988 25 16 1 Botswana Telecommunications C 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 15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 964 862 SAVVIS Communications Corpora 18566 726 718 Covad Communications 4134 827 678 Data Communications Bureau 4323 740 534 Time Warner Communications, I 6197 715 434 BellSouth Network Solutions, 7843 513 385 Adelphia Corp. 9583 490 385 Satyam Infoway Ltd., 22909 398 376 Comcast Cable Corporation 701 1306 369 UUNET Technologies, Inc. 5668 380 362 Century Telephone 27364 377 358 Armstrong Cable Services 4755 403 344 Videsh Sanchar Nigam Ltd. Aut 6467 368 336 E.Spire Communications, Inc. 22773 382 327 Cox Communications, Inc. Atla 17676 341 308 XTAGE CORPORATION 1239 940 307 Sprint 6198 512 298 BellSouth Network Solutions, 11172 356 298 Servicios Alestra S.A de C.V 9929 327 295 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 /15:524 /16:7902 /17:2117 /18:3689 /19:9552 /20:10048 /21:7371 /22:10339 /23:11891 /24:77689 /25:221 /26:203 /27:110 /28:28 /29:16 /30:68 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 743 964 SAVVIS Communications Corpora 18566 709 726 Covad Communications 6197 543 715 BellSouth Network Solutions, 7018 542 1417 AT&T 3356 500 893 Level 3 Communications, LLC 702 400 652 UUNET - Commercial IP service 6198 381 512 BellSouth Network Solutions, 1239 373 940 Sprint 701 369 1306 UUNET Technologies, Inc. 27364 364 377 Armstrong Cable Services 9583 335 490 Satyam Infoway Ltd., 5668 333 380 Century Telephone 4766 314 491 Korea Internet Exchange for " 20115 300 566 Charter Communications 6467 268 368 E.Spire Communications, Inc. 9929 259 327 China Netcom Corp. 14824 255 279 NewSouth Communications Corp. 3320 247 298 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 12:830 13:1 15:5 16:2 17:3 20:8 24:760 32:65 33:2 38:74 40:54 44:4 55:1 56:3 57:16 60:4 61:446 62:509 63:1871 64:2054 65:2037 66:2708 67:331 68:503 69:637 70:64 80:564 81:339 82:185 83:106 84:6 128:146 129:171 130:81 131:184 132:23 134:177 135:17 136:177 137:54 138:169 139:35 140:166 141:107 142:119 143:60 144:102 145:42 146:288 147:77 148:417 149:109 150:94 151:71 152:162 153:64 154:2 155:148 156:57 157:63 158:139 159:148 160:52 161:61 162:382 163:75 164:186 165:164 166:108 167:219 168:232 169:110 170:285 171:8 192:5545 193:2816 194:2056 195:1384 196:574 198:3653 199:3077 200:3593 201:9 202:4726 203:5662 204:3124 205:2106 206:2263 207:2506 208:2193 209:3042 210:1455 211:574 212:994 213:1178 214:69 215:30 216:3752 217:945 218:169 219:119 220:226 221:31 222:72
End of report
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