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Routing Table Report 04:00 +10GMT Wed 24 Nov, 2004
Analysis Summary ----------------
BGP routing table entries examined: 151081 Prefixes after maximum aggregation: 89085 Unique aggregates announced to Internet: 72212 Total ASes present in the Internet Routing Table: 18504 Origin-only ASes present in the Internet Routing Table: 16045 Origin ASes announcing only one prefix: 7565 Transit ASes present in the Internet Routing Table: 2459 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 19 Prefixes from unregistered ASNs in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1355490408 Equivalent to 80 /8s, 203 /16s and 36 /24s Percentage of available address space announced: 36.6 Percentage of allocated address space announced: 59.1 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 69654
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 29275 Total APNIC prefixes after maximum aggregation: 14440 Prefixes being announced from the APNIC address blocks: 27337 Unique aggregates announced from the APNIC address blocks: 14194 APNIC Region origin ASes present in the Internet Routing Table: 2163 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 167229184 Equivalent to 9 /8s, 247 /16s and 183 /24s Percentage of available APNIC address space announced: 76.3
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: 85745 Total ARIN prefixes after maximum aggregation: 52011 Prefixes being announced from the ARIN address blocks: 65657 Unique aggregates announced from the ARIN address blocks: 23572 ARIN Region origin ASes present in the Internet Routing Table: 9740 ARIN Region origin ASes announcing only one prefix: 3531 ARIN Region transit ASes present in the Internet Routing Table: 960 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 235787008 Equivalent to 14 /8s, 13 /16s and 211 /24s Percentage of available ARIN address space announced: 70.3
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, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 28198 Total RIPE prefixes after maximum aggregation: 19585 Prefixes being announced from the RIPE address blocks: 24950 Unique aggregates announced from the RIPE address blocks: 16421 RIPE Region origin ASes present in the Internet Routing Table: 6036 RIPE Region origin ASes announcing only one prefix: 3244 RIPE Region transit ASes present in the Internet Routing Table: 1040 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 180720384 Equivalent to 10 /8s, 197 /16s and 147 /24s Percentage of available RIPE address space announced: 63.4
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: 6603 Total LACNIC prefixes after maximum aggregation: 2352 Prefixes being announced from the LACNIC address blocks: 6456 Unique aggregates announced from the LACNIC address blocks: 3972 LACNIC Region origin ASes present in the Internet Routing Table: 405 LACNIC Region origin ASes announcing only one prefix: 121 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 16685824 Equivalent to 0 /8s, 254 /16s and 155 /24s Percentage of available LACNIC address space announced: 49.7
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1250 Total AfriNIC prefixes after maximum aggregation: 697 Prefixes being announced from the AfriNIC address blocks: 866 Unique aggregates announced from the AfriNIC address blocks: 671 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2072320 Equivalent to 0 /8s, 31 /16s and 159 /24s Percentage of available AfriNIC address space announced: 12.4
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 861 4405 163 Data Communications Bureau 1221 793 1182 568 Telstra Pty Ltd 9583 552 47 40 Satyam Infoway Ltd., 4766 547 3408 268 Korea Internet Exchange for " 4755 388 134 70 Videsh Sanchar Nigam Ltd. Aut 17676 380 5692 56 XTAGE CORPORATION 9443 356 69 80 Primus Telecommunications 2907 354 1857 328 SINET Japan 9929 344 161 33 China Netcom Corp. 703 318 346 246 UUNET 17557 314 23 156 Pakistan Telecom 2764 286 273 232 connect.com.au pty ltd 7474 268 268 200 Optus Communications Pty Ltd 4802 234 28 142 Wantree Development 9800 231 380 70 CHINA UNICOM 7563 229 48 166 Korea Internet Infrastructure 9942 229 72 123 COMindico Australia 9498 227 81 53 BHARTI BT INTERNET LTD. 10036 217 20 198 C&M Communication Co. Ltd. 4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1422 6633 983 AT&T WorldNet Services 701 1236 8382 882 UUNET Technologies, Inc. 721 1031 21074 302 DLA Systems Automation Center 1239 924 2880 612 Sprint 2386 851 531 612 AT&T Data Communications Serv 6197 810 381 353 BellSouth Network Solutions, 4323 808 672 221 Time Warner Telecom 18566 754 208 6 Covad Communications 209 654 3429 508 Qwest 3356 634 10962 459 Level 3 Communications, LLC 20115 606 462 326 Charter Communications 3561 551 2377 419 Cable & Wireless USA 852 517 1141 397 Telus Advanced Communications 7843 478 725 85 Adelphia Corp. 7132 450 8289 382 SBC Internet Services 27364 444 36 19 Armstrong Cable Services 6198 438 377 202 BellSouth Network Solutions, 6478 435 775 96 AT&T Worldnet Services 5668 417 87 18 Century Telephone 22909 415 881 59 Comcast Cable Corporation
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 634 2027 524 UUNET - Commercial IP service 3320 302 2997 237 Deutsche Telekom AG 8220 280 463 265 COLT Internet - International 3301 279 1100 270 TeliaNet Sweden 3300 257 167 82 AUCS Communications Services 680 251 2025 239 DFN-IP service G-WiN 21502 246 40 3 NUMERICABLE is a cabled netwo 3246 220 478 216 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 210 722 175 SWIPnet Swedish IP Network 8708 205 116 186 Romania Data Systems S.A. 5515 192 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 162 956 78 France Telecom Transpac 8866 160 20 7 Bulgarian Telecommunication C 719 158 322 105 LANLINK autonomous system 6746 157 30 127 Dynamic Network Technologies, 3269 151 1289 68 TELECOM ITALIA 25186 148 154 104 France Telecom Transpac's Tra 5400 141 206 114 BT Ignite European Backbone
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 351 139 73 ImpSat 8151 307 471 133 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 210 99 55 Servicios Alestra S.A de C.V 6147 191 94 20 Telefonica Del Peru 11664 154 12 30 Keytech SA 6505 141 90 95 Global One Communicaoes Ltda 7303 141 65 22 Telecom Argentina Stet-France 6503 125 164 83 AVANTEL, S.A. 11992 103 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 97 48 3 Cable-Wireless Panama 11311 86 8 23 Sinectis S.A. 6535 85 7 18 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 14420 82 5 33 ANDINATEL S.A. 4270 80 18 9 Red de Interconexion Universi 13999 78 52 9 Mega Cable S.A. de C.V. 15311 77 23 37 Telefonica Empresas 5639 75 8 8 Telecommunications Services o
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 268 636 225 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 98 276 71 The Internetworking Company o 20928 55 16 1 Noor Advanced Technologies AS 24835 41 34 7 RAYA Telecom - Egypt 9129 33 3 4 UUNET Kenya 6713 30 38 9 Itissalat Al-MAGHRIB 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 8452 17 20 5 TEDATA 12455 17 4 2 Jambonet Autonomous system 21280 16 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 15808 13 1 2 Communication Solutions Ltd i 17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 18566 754 748 Covad Communications 721 1031 729 DLA Systems Automation Center 4134 861 698 Data Communications Bureau 4323 808 587 Time Warner Telecom 9583 552 512 Satyam Infoway Ltd., 6197 810 457 BellSouth Network Solutions, 27364 444 425 Armstrong Cable Services 5668 417 399 Century Telephone 7843 478 393 Adelphia Corp. 22773 404 385 Cox Communications, Inc. Atla 22909 415 356 Comcast Cable Corporation 701 1236 354 UUNET Technologies, Inc. 6467 380 349 E.Spire Communications, Inc. 6478 435 339 AT&T Worldnet Services 17676 380 324 XTAGE CORPORATION 4755 388 318 Videsh Sanchar Nigam Ltd. Aut 1239 924 312 Sprint 9929 344 311 China Netcom Corp. 4355 392 293 EarthLink, Inc. 20115 606 280 Charter Communications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65400 PRIVATE 192.55.193.0/24 1290 PSINet UK Ltd. 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc. 65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd 65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies, 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net 65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
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 158.0.0.0/13 721 DLA Systems Automation Center 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 WorldNet Services 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 /10:7 /11:15 /12:61 /13:140 /14:315 /15:556 /16:8145 /17:2273 /18:3963 /19:9881 /20:10440 /21:8049 /22:11097 /23:12694 /24:82566 /25:248 /26:225 /27:117 /28:68 /29:39 /30:117 /31:0 /32:43
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 739 754 Covad Communications 6197 657 810 BellSouth Network Solutions, 2386 614 851 AT&T Data Communications Serv 7018 578 1422 AT&T WorldNet Services 27364 429 444 Armstrong Cable Services 702 389 634 UUNET - Commercial IP service 9583 383 552 Satyam Infoway Ltd., 1239 368 924 Sprint 4766 367 547 Korea Internet Exchange for " 5668 360 417 Century Telephone 701 358 1236 UUNET Technologies, Inc. 6198 319 438 BellSouth Network Solutions, 6467 289 380 E.Spire Communications, Inc. 20115 285 606 Charter Communications 6517 279 302 Yipes Communications, Inc. 9929 275 344 China Netcom Corp. 13609 269 311 Choice One Communications Inc 4323 258 808 Time Warner Telecom 11456 258 303 Carolina Online, Inc. 3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:10 12:1436 13:1 15:5 16:2 17:3 20:5 24:767 32:71 33:2 38:84 40:55 44:3 47:2 52:3 55:1 56:3 57:24 60:3 61:636 62:500 63:1862 64:2474 65:2070 66:2468 67:457 68:536 69:794 70:40 72:10 80:528 81:555 82:342 83:208 84:53 128:116 129:164 130:89 131:192 132:26 134:185 135:30 136:189 137:80 138:188 139:36 140:222 141:107 142:129 143:120 144:157 145:42 146:283 147:95 148:329 149:111 150:93 151:62 152:129 153:68 154:2 155:131 156:59 157:69 158:135 159:164 160:59 161:73 162:379 163:83 164:218 165:162 166:117 167:223 168:356 169:123 170:313 171:9 192:5665 193:2943 194:2168 195:1535 196:589 198:3876 199:3307 200:3839 201:25 202:4902 203:5790 204:3567 205:2093 206:2327 207:2624 208:2104 209:3098 210:1519 211:649 212:1145 213:1230 214:224 215:31 216:3700 217:1050 218:178 219:84 220:283 221:66 222:21
End of report
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