Routing Table Report 04:00 +10GMT Wed 22 Dec, 2004
Analysis Summary ----------------
BGP routing table entries examined: 153074 Prefixes after maximum aggregation: 89777 Unique aggregates announced to Internet: 73305 Total ASes present in the Internet Routing Table: 18674 Origin-only ASes present in the Internet Routing Table: 16205 Origin ASes announcing only one prefix: 7592 Transit ASes present in the Internet Routing Table: 2469 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 18 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: 16 Number of addresses announced to Internet: 1360833884 Equivalent to 81 /8s, 28 /16s and 173 /24s Percentage of available address space announced: 36.7 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 70968
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 29965 Total APNIC prefixes after maximum aggregation: 14719 Prefixes being announced from the APNIC address blocks: 28027 Unique aggregates announced from the APNIC address blocks: 14508 APNIC Region origin ASes present in the Internet Routing Table: 2178 APNIC Region origin ASes announcing only one prefix: 649 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 169586688 Equivalent to 10 /8s, 27 /16s and 176 /24s Percentage of available APNIC address space announced: 77.4
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: 86321 Total ARIN prefixes after maximum aggregation: 52082 Prefixes being announced from the ARIN address blocks: 66105 Unique aggregates announced from the ARIN address blocks: 23792 ARIN Region origin ASes present in the Internet Routing Table: 9782 ARIN Region origin ASes announcing only one prefix: 3521 ARIN Region transit ASes present in the Internet Routing Table: 970 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 237083904 Equivalent to 14 /8s, 33 /16s and 157 /24s Percentage of available ARIN address space announced: 70.7
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: 28729 Total RIPE prefixes after maximum aggregation: 19883 Prefixes being announced from the RIPE address blocks: 25638 Unique aggregates announced from the RIPE address blocks: 16840 RIPE Region origin ASes present in the Internet Routing Table: 6136 RIPE Region origin ASes announcing only one prefix: 3280 RIPE Region transit ASes present in the Internet Routing Table: 1050 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 183427328 Equivalent to 10 /8s, 238 /16s and 225 /24s Percentage of available RIPE address space announced: 64.3
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: 6773 Total LACNIC prefixes after maximum aggregation: 2395 Prefixes being announced from the LACNIC address blocks: 6617 Unique aggregates announced from the LACNIC address blocks: 4067 LACNIC Region origin ASes present in the Internet Routing Table: 410 LACNIC Region origin ASes announcing only one prefix: 120 LACNIC Region transit ASes present in the Internet Routing Table: 77 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 16918784 Equivalent to 1 /8s, 2 /16s and 41 /24s Percentage of available LACNIC address space announced: 50.4
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1278 Total AfriNIC prefixes after maximum aggregation: 698 Prefixes being announced from the AfriNIC address blocks: 851 Unique aggregates announced from the AfriNIC address blocks: 676 AfriNIC Region origin ASes present in the Internet Routing Table: 95 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: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2097408 Equivalent to 0 /8s, 32 /16s and 1 /24s Percentage of available AfriNIC address space announced: 12.5
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 868 4433 168 Data Communications Bureau 1221 793 1184 567 Telstra Pty Ltd 9583 579 47 37 Satyam Infoway Ltd., 4766 550 3409 271 Korea Internet Exchange for " 4755 442 176 93 Videsh Sanchar Nigam Ltd. Aut 17676 390 5852 60 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 2907 356 1857 329 SINET Japan 9929 354 164 40 China Netcom Corp. 703 314 344 245 UUNET 17557 305 22 148 Pakistan Telecom 10036 289 26 265 C&M Communication Co. Ltd. 2764 287 272 230 connect.com.au pty ltd 7474 274 267 203 Optus Communications Pty Ltd 9800 232 381 71 CHINA UNICOM 4802 231 28 140 Wantree Development 9498 230 81 54 BHARTI BT INTERNET LTD. 7563 227 48 165 Korea Internet Infrastructure 4780 223 225 27 Digital United Inc. 4814 220 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1414 6554 975 AT&T WorldNet Services 701 1086 8355 890 UUNET Technologies, Inc. 721 1067 21840 299 DLA Systems Automation Center 1239 908 2865 609 Sprint 2386 859 528 612 AT&T Data Communications Serv 6197 823 384 354 BellSouth Network Solutions, 4323 818 670 223 Time Warner Telecom 18566 756 208 6 Covad Communications 209 655 3405 502 Qwest 3356 616 10889 450 Level 3 Communications, LLC 20115 573 465 300 Charter Communications 3561 549 2385 416 Cable & Wireless USA 852 528 1126 401 Telus Advanced Communications 7843 483 733 95 Adelphia Corp. 6478 467 814 97 AT&T Worldnet Services 7132 452 8292 385 SBC Internet Services 6198 447 382 202 BellSouth Network Solutions, 27364 441 36 19 Armstrong Cable Services 5668 423 87 18 Century Telephone 22909 419 907 65 Comcast Cable Corporation
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 628 2023 519 UUNET - Commercial IP service 3320 297 2992 233 Deutsche Telekom AG 3301 286 1112 274 TeliaNet Sweden 8220 275 463 263 COLT Internet - International 21502 272 40 3 NUMERICABLE is a cabled netwo 680 251 2025 239 DFN-IP service G-WiN 3246 224 483 220 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 206 708 172 SWIPnet Swedish IP Network 8708 206 118 190 Romania Data Systems S.A. 5515 193 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 176 998 76 France Telecom Transpac 6746 168 47 136 Dynamic Network Technologies, 8866 162 18 21 Bulgarian Telecommunication C 719 159 322 104 LANLINK autonomous system 3269 158 1361 69 TELECOM ITALIA 3300 153 165 77 AUCS Communications Services 25186 144 138 100 France Telecom Transpac's Tra 5400 135 216 118 BT Ignite European Backbone
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 350 139 72 ImpSat 8151 319 473 140 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 216 99 55 Servicios Alestra S.A de C.V 6147 188 94 20 Telefonica Del Peru 11664 169 14 24 Keytech SA 7303 146 68 18 Telecom Argentina Stet-France 6505 140 90 96 Global One Communicaoes Ltda 6503 128 148 85 AVANTEL, S.A. 11992 102 9 31 Integrated Systems 14117 98 6 4 Telefonica del Sur S.A. 11556 97 48 3 Cable-Wireless Panama 14420 87 6 42 ANDINATEL S.A. 6535 84 7 25 Chilesat Servicios Empresari 11311 83 8 23 Sinectis S.A. 10481 82 32 7 Prima S.A. 13999 82 52 9 Mega Cable S.A. de C.V. 4270 80 18 9 Red de Interconexion Universi 5639 77 8 8 Telecommunications Services o 15311 77 23 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 269 636 226 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 75 271 68 The Internetworking Company o 20928 55 16 2 Noor Advanced Technologies AS 24835 42 34 7 RAYA Telecom - Egypt 6713 34 38 9 Itissalat Al-MAGHRIB 8452 34 20 5 TEDATA 9129 33 3 2 UUNET Kenya 5713 27 141 24 Telkom SA Ltd 12455 27 7 4 Jambonet Autonomous system 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 21280 17 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21491 14 1 3 UTL On-line is RF broadband I 15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 721 1067 768 DLA Systems Automation Center 18566 756 750 Covad Communications 4134 868 700 Data Communications Bureau 4323 818 595 Time Warner Telecom 9583 579 542 Satyam Infoway Ltd., 6197 823 469 BellSouth Network Solutions, 27364 441 422 Armstrong Cable Services 5668 423 405 Century Telephone 22773 416 393 Cox Communications, Inc. Atla 7843 483 388 Adelphia Corp. 6478 467 370 AT&T Worldnet Services 22909 419 354 Comcast Cable Corporation 4755 442 349 Videsh Sanchar Nigam Ltd. Aut 6467 376 345 E.Spire Communications, Inc. 17676 390 330 XTAGE CORPORATION 9929 354 314 China Netcom Corp. 1239 908 299 Sprint 13609 328 294 Choice One Communications Inc 4355 393 292 EarthLink, Inc. 9443 362 285 Primus Telecommunications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 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 208.179.184.0/24 11509 The Pajo Group 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 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 192.200.100.0/24 7018 AT&T WorldNet Services
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 /12:59 /13:139 /14:315 /15:562 /16:8224 /17:2337 /18:4007 /19:10014 /20:10613 /21:8155 /22:11358 /23:12924 /24:83452 /25:268 /26:238 /27:127 /28:45 /29:26 /30:122 /31:0 /32:45
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 741 756 Covad Communications 6197 669 823 BellSouth Network Solutions, 2386 629 859 AT&T Data Communications Serv 7018 583 1414 AT&T WorldNet Services 27364 427 441 Armstrong Cable Services 9583 409 579 Satyam Infoway Ltd., 702 383 628 UUNET - Commercial IP service 4766 370 550 Korea Internet Exchange for " 5668 366 423 Century Telephone 1239 354 908 Sprint 6198 326 447 BellSouth Network Solutions, 10036 289 289 C&M Communication Co. Ltd. 6517 286 309 Yipes Communications, Inc. 13609 286 328 Choice One Communications Inc 6467 285 376 E.Spire Communications, Inc. 9929 283 354 China Netcom Corp. 701 270 1086 UUNET Technologies, Inc. 21502 269 272 NUMERICABLE is a cabled netwo 4323 265 818 Time Warner Telecom 11456 258 303 Carolina Online, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:10 12:1456 13:1 15:5 16:2 17:3 18:3 20:4 24:715 32:66 33:3 38:87 40:55 44:3 47:2 52:3 55:2 56:3 57:23 60:12 61:698 62:521 63:1847 64:2518 65:2076 66:2530 67:479 68:520 69:857 70:46 71:1 72:21 80:530 81:603 82:372 83:214 84:81 85:33 128:107 129:163 130:74 131:193 132:36 134:187 135:30 136:188 137:70 138:193 139:34 140:230 141:110 142:135 143:123 144:165 145:41 146:283 147:95 148:262 149:129 150:92 151:62 152:118 153:70 154:2 155:132 156:62 157:72 158:138 159:162 160:61 161:60 162:366 163:83 164:222 165:170 166:125 167:222 168:366 169:131 170:313 171:8 192:5654 193:3016 194:2214 195:1543 196:588 198:3889 199:3307 200:3954 201:34 202:4989 203:5826 204:3585 205:2093 206:2296 207:2543 208:2111 209:3048 210:1580 211:703 212:1160 213:1259 214:230 215:31 216:3748 217:1070 218:179 219:88 220:300 221:88 222:32
End of report
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Routing Table Analysis