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Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Mar 11 19:12:46 CET 2005
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 12 Mar, 2005 Analysis Summary ---------------- BGP routing table entries examined: 157339 Prefixes after maximum aggregation: 92091 Unique aggregates announced to Internet: 75688 Total ASes present in the Internet Routing Table: 19118 Origin-only ASes present in the Internet Routing Table: 16630 Origin ASes announcing only one prefix: 7761 Transit ASes present in the Internet Routing Table: 2488 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 21 Prefixes from unregistered ASNs in the Routing Table: 27 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1383016612 Equivalent to 82 /8s, 111 /16s and 40 /24s Percentage of available address space announced: 37.3 Percentage of allocated address space announced: 59.0 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 73226 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 31587 Total APNIC prefixes after maximum aggregation: 15168 Prefixes being announced from the APNIC address blocks: 29621 Unique aggregates announced from the APNIC address blocks: 15037 APNIC Region origin ASes present in the Internet Routing Table: 2217 APNIC Region origin ASes announcing only one prefix: 647 APNIC Region transit ASes present in the Internet Routing Table: 330 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 176967616 Equivalent to 10 /8s, 140 /16s and 79 /24s Percentage of available APNIC address space announced: 65.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 87474 Total ARIN prefixes after maximum aggregation: 53196 Prefixes being announced from the ARIN address blocks: 66929 Unique aggregates announced from the ARIN address blocks: 24552 ARIN Region origin ASes present in the Internet Routing Table: 9922 ARIN Region origin ASes announcing only one prefix: 3589 ARIN Region transit ASes present in the Internet Routing Table: 953 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 241091072 Equivalent to 14 /8s, 94 /16s and 194 /24s Percentage of available ARIN address space announced: 71.9 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, 29696-30719, 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: 29974 Total RIPE prefixes after maximum aggregation: 20614 Prefixes being announced from the RIPE address blocks: 26918 Unique aggregates announced from the RIPE address blocks: 17837 RIPE Region origin ASes present in the Internet Routing Table: 6388 RIPE Region origin ASes announcing only one prefix: 3379 RIPE Region transit ASes present in the Internet Routing Table: 1073 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 193948496 Equivalent to 11 /8s, 143 /16s and 107 /24s Percentage of available RIPE address space announced: 68.0 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, 33792-35839 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: 6905 Total LACNIC prefixes after maximum aggregation: 2408 Prefixes being announced from the LACNIC address blocks: 6854 Unique aggregates announced from the LACNIC address blocks: 4019 LACNIC Region origin ASes present in the Internet Routing Table: 421 LACNIC Region origin ASes announcing only one prefix: 122 LACNIC Region transit ASes present in the Internet Routing Table: 81 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 17701376 Equivalent to 1 /8s, 14 /16s and 26 /24s Percentage of available LACNIC address space announced: 52.8 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1372 Total AfriNIC prefixes after maximum aggregation: 705 Prefixes being announced from the AfriNIC address blocks: 903 Unique aggregates announced from the AfriNIC address blocks: 724 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2181632 Equivalent to 0 /8s, 33 /16s and 74 /24s Percentage of available AfriNIC address space announced: 13.0 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 888 4720 175 Data Communications Bureau 1221 786 1188 558 Telstra Pty Ltd 9583 610 49 25 Satyam Infoway Ltd., 4766 587 3416 278 Korea Internet Exchange for " 4755 491 241 103 Videsh Sanchar Nigam Ltd. Aut 7545 475 86 69 TPG Internet Pty Ltd 17676 408 6156 73 XTAGE CORPORATION 9443 374 77 79 Primus Telecommunications 9929 358 175 40 China Netcom Corp. 17557 352 25 155 Pakistan Telecom 2907 348 1839 322 SINET Japan 10036 300 27 273 C&M Communication Co. Ltd. 4808 299 245 160 CHINANET core WAN North 7474 288 283 210 Optus Communications Pty Ltd 4802 282 47 166 Wantree Development 703 262 332 218 UUNET 2764 255 237 203 connect.com.au pty ltd 9498 255 82 54 BHARTI BT INTERNET LTD. 9800 239 390 73 CHINA UNICOM 17974 235 63 12 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1469 6563 965 AT&T WorldNet Services 721 1120 21755 313 DLA Systems Automation Center 4323 1052 668 220 Time Warner Telecom 701 1027 8273 874 UUNET Technologies, Inc. 1239 909 2871 659 Sprint 174 874 5537 757 PSINet Inc. 6197 874 383 410 BellSouth Network Solutions, 2386 832 498 615 AT&T Data Communications Serv 18566 774 208 6 Covad Communications 209 639 3482 502 Qwest 20115 582 482 303 Charter Communications 3356 579 10863 430 Level 3 Communications, LLC 3561 559 2373 414 Cable & Wireless USA 852 531 1095 400 Telus Advanced Communications 6478 502 832 104 AT&T Worldnet Services 3602 501 121 93 Sprint Canada, Inc. 22773 478 1090 24 Cox Communications, Inc. Atla 6198 467 554 191 BellSouth Network Solutions, 27364 465 43 18 Armstrong Cable Services 5668 459 115 17 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 607 2006 497 UUNET - Commercial IP service 3320 294 2992 229 Deutsche Telekom AG 3301 291 1112 279 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 254 2041 239 DFN-IP service G-WiN 3246 228 472 223 Song Networks 8708 223 121 201 Romania Data Systems S.A. 13083 218 51 8 Mannesmann Datenverarbeitung 3215 208 1058 80 France Telecom Transpac 1257 197 710 174 SWIPnet Swedish IP Network 9121 188 235 37 TTnet Autonomous System 5515 177 777 127 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 8866 176 20 18 Bulgarian Telecommunication C 3269 165 1456 72 TELECOM ITALIA 3300 165 185 85 AUCS Communications Services 6746 162 47 143 Dynamic Network Technologies, 719 158 322 100 LANLINK autonomous system 5400 143 282 126 BT Ignite European Backbone 6830 142 529 28 UPC Distribution Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 361 140 71 ImpSat 8151 337 489 142 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 223 99 54 Servicios Alestra S.A de C.V 6147 205 102 20 Telefonica Del Peru 11664 148 19 23 Keytech SA 7303 146 66 30 Telecom Argentina Stet-France 6505 136 90 92 Global One Communicaoes Ltda 14117 118 7 5 Telefonica del Sur S.A. 11992 107 9 31 Integrated Systems 6503 103 145 75 AVANTEL, S.A. 13999 100 52 9 Mega Cable S.A. de C.V. 11556 98 49 4 Cable-Wireless Panama 11311 88 8 23 Sinectis S.A. 6535 87 7 23 Chilesat Servicios Empresari 5639 83 12 9 Telecommunications Services o 10481 80 32 7 Prima S.A. 10292 79 6 18 TELECOMMUNICATIONS OF JAMAICA 15311 77 24 36 Telefonica Empresas 4270 76 18 9 Red de Interconexion Universi AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 635 225 The Internet Solution 5536 114 15 18 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 88 16 2 Noor Advanced Technologies AS 2905 84 267 76 The Internetworking Company o 8452 55 20 5 TEDATA 24835 55 34 6 RAYA Telecom - Egypt 9129 39 3 2 UUNET Kenya 6713 35 54 9 Itissalat Al-MAGHRIB 12455 30 7 4 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 24 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 18 2 3 Swift Global Kenya Ltd.Is an 8346 17 10 11 SONATEL-AS Autonomous System 15475 17 84 4 Nile Online 15808 16 1 1 Communication Solutions Ltd i 21491 16 1 3 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1052 832 Time Warner Telecom 721 1120 807 DLA Systems Automation Center 18566 774 768 Covad Communications 4134 888 713 Data Communications Bureau 9583 610 585 Satyam Infoway Ltd., 6197 874 464 BellSouth Network Solutions, 22773 478 454 Cox Communications, Inc. Atla 27364 465 447 Armstrong Cable Services 5668 459 442 Century Telephone 3602 501 408 Sprint Canada, Inc. 7545 475 406 TPG Internet Pty Ltd 6478 502 398 AT&T Worldnet Services 4755 491 388 Videsh Sanchar Nigam Ltd. Aut 17676 408 335 XTAGE CORPORATION 6467 359 326 E.Spire Communications, Inc. 9929 358 318 China Netcom Corp. 4766 587 309 Korea Internet Exchange for " 9443 374 295 Primus Telecommunications 6140 361 290 ImpSat 20115 582 279 Charter Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd 65535 PRIVATE 64.111.161.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.162.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.164.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.165.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.167.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.169.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.170.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.171.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.172.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.173.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.174.0/24 33205 KMC Telecom Solution 65535 PRIVATE 64.111.175.0/24 33205 KMC Telecom Solution 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 64500 RESERVED 85.114.96.0/21 1680 NetVision Ltd. 65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 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 192.43.230.0/24 7575 Australian Academic and Rease 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 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 192.172.0.0/19 721 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 /10:8 /11:14 /12:62 /13:148 /14:306 /15:570 /16:8323 /17:2454 /18:4172 /19:10104 /20:10787 /21:8672 /22:11991 /23:13136 /24:85756 /25:264 /26:248 /27:103 /28:51 /29:25 /30:85 /31:0 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 759 774 Covad Communications 6197 715 874 BellSouth Network Solutions, 7018 639 1469 AT&T WorldNet Services 2386 588 832 AT&T Data Communications Serv 4323 485 1052 Time Warner Telecom 27364 450 465 Armstrong Cable Services 9583 434 610 Satyam Infoway Ltd., 4766 403 587 Korea Internet Exchange for " 5668 383 459 Century Telephone 1239 372 909 Sprint 702 369 607 UUNET - Commercial IP service 6198 335 467 BellSouth Network Solutions, 10036 300 300 C&M Communication Co. Ltd. 6517 288 310 Yipes Communications, Inc. 9929 282 358 China Netcom Corp. 6467 270 359 E.Spire Communications, Inc. 11456 263 310 Carolina Online, Inc. 701 246 1027 UUNET Technologies, Inc. 13609 246 290 Choice One Communications Inc 15270 243 262 PaeTec.net -a division of Pae Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:10 12:1503 13:1 15:9 16:2 17:3 18:4 20:5 24:737 32:64 33:5 38:99 40:55 44:3 47:2 52:3 55:2 56:3 57:24 58:4 59:6 60:21 61:737 62:515 63:1885 64:2609 65:2058 66:2699 67:501 68:506 69:921 70:70 71:5 72:103 80:543 81:534 82:340 83:264 84:130 85:161 128:143 129:159 130:88 131:280 132:35 133:1 134:142 135:32 136:190 137:66 138:157 139:50 140:198 141:102 142:142 143:130 144:176 145:45 146:280 147:98 148:269 149:164 150:97 151:63 152:110 153:85 154:3 155:140 156:69 157:85 158:158 159:168 160:72 161:60 162:202 163:86 164:213 165:160 166:128 167:228 168:401 169:133 170:311 171:9 192:5654 193:3120 194:2291 195:1592 196:634 198:3912 199:3253 200:4011 201:56 202:5298 203:6055 204:3703 205:2015 206:2366 207:2745 208:2086 209:3139 210:1608 211:801 212:1172 213:1264 214:242 215:31 216:3664 217:1107 218:193 219:115 220:370 221:105 222:76 End of report
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