Routing Table Report 04:00 +10GMT Fri 24 Dec, 2004
Analysis Summary ----------------
BGP routing table entries examined: 153327 Prefixes after maximum aggregation: 89815 Unique aggregates announced to Internet: 73450 Total ASes present in the Internet Routing Table: 18693 Origin-only ASes present in the Internet Routing Table: 16221 Origin ASes announcing only one prefix: 7601 Transit ASes present in the Internet Routing Table: 2472 Transit-only ASes present in the Internet Routing Table: 77 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: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1361250152 Equivalent to 81 /8s, 35 /16s and 7 /24s Percentage of available address space announced: 36.7 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 71076
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 30070 Total APNIC prefixes after maximum aggregation: 14709 Prefixes being announced from the APNIC address blocks: 28124 Unique aggregates announced from the APNIC address blocks: 14528 APNIC Region origin ASes present in the Internet Routing Table: 2178 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 327 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 169674496 Equivalent to 10 /8s, 29 /16s and 7 /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: 86420 Total ARIN prefixes after maximum aggregation: 52091 Prefixes being announced from the ARIN address blocks: 66136 Unique aggregates announced from the ARIN address blocks: 23805 ARIN Region origin ASes present in the Internet Routing Table: 9782 ARIN Region origin ASes announcing only one prefix: 3522 ARIN Region transit ASes present in the Internet Routing Table: 967 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 237070848 Equivalent to 14 /8s, 33 /16s and 106 /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: 28761 Total RIPE prefixes after maximum aggregation: 19925 Prefixes being announced from the RIPE address blocks: 25671 Unique aggregates announced from the RIPE address blocks: 16918 RIPE Region origin ASes present in the Internet Routing Table: 6153 RIPE Region origin ASes announcing only one prefix: 3289 RIPE Region transit ASes present in the Internet Routing Table: 1057 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 183616256 Equivalent to 10 /8s, 241 /16s and 195 /24s Percentage of available RIPE address space announced: 64.4
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: 6792 Total LACNIC prefixes after maximum aggregation: 2392 Prefixes being announced from the LACNIC address blocks: 6652 Unique aggregates announced from the LACNIC address blocks: 4089 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: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 16984832 Equivalent to 1 /8s, 3 /16s and 43 /24s Percentage of available LACNIC address space announced: 50.6
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1277 Total AfriNIC prefixes after maximum aggregation: 698 Prefixes being announced from the AfriNIC address blocks: 859 Unique aggregates announced from the AfriNIC address blocks: 681 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: 2098176 Equivalent to 0 /8s, 32 /16s and 4 /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 869 4433 168 Data Communications Bureau 1221 791 1184 565 Telstra Pty Ltd 9583 580 47 37 Satyam Infoway Ltd., 4766 552 3409 270 Korea Internet Exchange for " 4755 436 176 91 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. 703 315 344 246 UUNET 17557 306 22 149 Pakistan Telecom 10036 290 26 266 C&M Communication Co. Ltd. 2764 286 272 229 connect.com.au pty ltd 7474 274 267 203 Optus Communications Pty Ltd 9800 234 381 73 CHINA UNICOM 9498 232 81 54 BHARTI BT INTERNET LTD. 4802 231 28 140 Wantree Development 7563 225 48 164 Korea Internet Infrastructure 4780 223 225 27 Digital United Inc. 4814 223 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1423 6571 981 AT&T WorldNet Services 701 1087 8355 889 UUNET Technologies, Inc. 721 1073 21838 298 DLA Systems Automation Center 1239 935 2882 625 Sprint 2386 858 528 611 AT&T Data Communications Serv 6197 823 384 354 BellSouth Network Solutions, 4323 821 670 223 Time Warner Telecom 18566 756 208 6 Covad Communications 209 654 3405 502 Qwest 3356 614 10889 449 Level 3 Communications, LLC 20115 574 467 301 Charter Communications 3561 549 2369 416 Cable & Wireless USA 852 528 1126 401 Telus Advanced Communications 7843 482 729 100 Adelphia Corp. 6478 467 814 97 AT&T Worldnet Services 6198 450 388 200 BellSouth Network Solutions, 7132 449 8290 382 SBC Internet Services 27364 442 44 20 Armstrong Cable Services 5668 424 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 702 627 2023 518 UUNET - Commercial IP service 3320 296 2992 233 Deutsche Telekom AG 3301 286 1112 274 TeliaNet Sweden 8220 276 464 264 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 8708 207 118 191 Romania Data Systems S.A. 1257 203 708 169 SWIPnet Swedish IP Network 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 318 473 139 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 217 99 55 Servicios Alestra S.A de C.V 6147 184 94 20 Telefonica Del Peru 11664 171 14 24 Keytech SA 7303 156 68 20 Telecom Argentina Stet-France 6505 140 90 96 Global One Communicaoes Ltda 6503 117 148 84 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. 11311 86 8 22 Sinectis S.A. 6535 84 7 25 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 13999 81 52 9 Mega Cable S.A. de C.V. 4270 80 18 9 Red de Interconexion Universi 15311 78 25 37 Telefonica Empresas 5639 77 8 8 Telecommunications Services o
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 44 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 1073 775 DLA Systems Automation Center 18566 756 750 Covad Communications 4134 869 701 Data Communications Bureau 4323 821 598 Time Warner Telecom 9583 580 543 Satyam Infoway Ltd., 6197 823 469 BellSouth Network Solutions, 27364 442 422 Armstrong Cable Services 5668 424 406 Century Telephone 22773 416 393 Cox Communications, Inc. Atla 7843 482 382 Adelphia Corp. 6478 467 370 AT&T Worldnet Services 22909 419 354 Comcast Cable Corporation 4755 436 345 Videsh Sanchar Nigam Ltd. Aut 6467 376 345 E.Spire Communications, Inc. 17676 390 330 XTAGE CORPORATION 9929 354 314 China Netcom Corp. 1239 935 310 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
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 /15:563 /16:8225 /17:2344 /18:4028 /19:10031 /20:10611 /21:8179 /22:11364 /23:12894 /24:83607 /25:280 /26:240 /27:127 /28:60 /29:35 /30:130 /31:0 /32:52
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 628 858 AT&T Data Communications Serv 7018 583 1423 AT&T WorldNet Services 27364 427 442 Armstrong Cable Services 9583 410 580 Satyam Infoway Ltd., 702 382 627 UUNET - Commercial IP service 1239 372 935 Sprint 4766 372 552 Korea Internet Exchange for " 5668 367 424 Century Telephone 6198 327 450 BellSouth Network Solutions, 6517 290 313 Yipes Communications, Inc. 10036 290 290 C&M Communication Co. Ltd. 13609 286 328 Choice One Communications Inc 6467 285 376 E.Spire Communications, Inc. 9929 283 354 China Netcom Corp. 701 270 1087 UUNET Technologies, Inc. 21502 269 272 NUMERICABLE is a cabled netwo 4323 267 821 Time Warner Telecom 11456 258 303 Carolina Online, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:10 12:1460 13:1 15:5 16:2 17:3 18:3 20:4 24:715 32:67 33:3 38:87 40:55 44:3 47:2 52:3 55:2 56:3 57:23 59:1 60:12 61:703 62:522 63:1849 64:2519 65:2076 66:2530 67:478 68:518 69:856 70:47 71:1 72:21 80:526 81:604 82:371 83:217 84:81 85:41 128:107 129:164 130:89 131:193 132:36 134:190 135:30 136:188 137:69 138:193 139:34 140:230 141:108 142:135 143:122 144:166 145:41 146:283 147:87 148:253 149:129 150:92 151:62 152:118 153:70 154:2 155:132 156:62 157:72 158:145 159:162 160:63 161:60 162:383 163:83 164:190 165:170 166:125 167:222 168:366 169:131 170:313 171:8 192:5655 193:3026 194:2220 195:1546 196:595 198:3888 199:3304 200:3977 201:34 202:5044 203:5833 204:3593 205:2114 206:2308 207:2542 208:2109 209:3051 210:1581 211:706 212:1163 213:1259 214:231 215:31 216:3737 217:1064 218:178 219:89 220:301 221:89 222:33
End of report
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Routing Table Analysis