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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 7 19:03:28 CET 2007
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 For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 08 Dec, 2007 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 239737 Prefixes after maximum aggregation: 123346 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 117087 Total ASes present in the Internet Routing Table: 26839 Prefixes per ASN: 8.93 Origin-only ASes present in the Internet Routing Table: 23354 Origin ASes announcing only one prefix: 11384 Transit ASes present in the Internet Routing Table: 3485 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (13227) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 6 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1794930272 Equivalent to 106 /8s, 252 /16s and 118 /24s Percentage of available address space announced: 48.4 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 112253 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55725 Total APNIC prefixes after maximum aggregation: 21333 APNIC Deaggregation factor: 2.61 Prefixes being announced from the APNIC address blocks: 52608 Unique aggregates announced from the APNIC address blocks: 23404 APNIC Region origin ASes present in the Internet Routing Table: 3091 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 815 APNIC Region transit ASes present in the Internet Routing Table: 475 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 322888864 Equivalent to 19 /8s, 62 /16s and 228 /24s Percentage of available APNIC address space announced: 73.8 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 114/7, 116/6, 120/6, 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: 112183 Total ARIN prefixes after maximum aggregation: 63984 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 82732 Unique aggregates announced from the ARIN address blocks: 32990 ARIN Region origin ASes present in the Internet Routing Table: 11979 ARIN Prefixes per ASN: 6.91 ARIN Region origin ASes announcing only one prefix: 4605 ARIN Region transit ASes present in the Internet Routing Table: 1130 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 354750848 Equivalent to 21 /8s, 37 /16s and 17 /24s Percentage of available ARIN address space announced: 78.3 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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 35840-36863, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 50536 Total RIPE prefixes after maximum aggregation: 32337 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 47362 Unique aggregates announced from the RIPE address blocks: 31266 RIPE Region origin ASes present in the Internet Routing Table: 10598 RIPE Prefixes per ASN: 4.47 RIPE Region origin ASes announcing only one prefix: 5612 RIPE Region transit ASes present in the Internet Routing Table: 1650 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 338279296 Equivalent to 20 /8s, 41 /16s and 187 /24s Percentage of available RIPE address space announced: 77.6 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 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, 38912-39935 40960-45055 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 18011 Total LACNIC prefixes after maximum aggregation: 4588 LACNIC Deaggregation factor: 3.93 Prefixes being announced from the LACNIC address blocks: 15990 Unique aggregates announced from the LACNIC address blocks: 8885 LACNIC Region origin ASes present in the Internet Routing Table: 884 LACNIC Prefixes per ASN: 18.09 LACNIC Region origin ASes announcing only one prefix: 284 LACNIC Region transit ASes present in the Internet Routing Table: 156 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 47004416 Equivalent to 2 /8s, 205 /16s and 59 /24s Percentage of available LACNIC address space announced: 46.7 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 3271 Total AfriNIC prefixes after maximum aggregation: 1088 AfriNIC Deaggregation factor: 3.01 Prefixes being announced from the AfriNIC address blocks: 2426 Unique aggregates announced from the AfriNIC address blocks: 1446 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.39 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8193792 Equivalent to 0 /8s, 125 /16s and 7 /24s Percentage of available AfriNIC address space announced: 24.4 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4755 1490 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1093 81 431 Sify Limited 9498 1059 549 63 BHARTI BT INTERNET LTD. 4134 1041 11569 305 CHINANET-BACKBONE 17488 917 59 80 Hathway IP Over Cable Interne 4766 818 5474 330 Korea Telecom (KIX) 23577 797 34 680 Korea Telecom (ATM-MPLS) 7545 667 146 113 TPG Internet Pty Ltd 18101 610 120 57 Reliance Infocom Ltd Internet 9829 584 448 10 BSNL National Internet Backbo 1221 546 1952 422 Telstra Pty Ltd 4668 519 68 10 LG-EDS Systems Inc. 4808 519 796 120 CNCGROUP IP network: China169 4812 515 865 81 China Telecom (Shanghai) 17676 504 10919 64 Softbank BB Corp. 4802 468 126 149 Wantree Development 9443 440 121 70 Primus Telecommunications 17974 407 145 17 PT TELEKOMUNIKASI INDONESIA 7474 384 202 270 SingTel Optus Pty Ltd 4837 362 5072 176 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1494 6121 1005 AT&T WorldNet Services 4323 1385 1015 363 Time Warner Telecom 2386 1321 635 796 AT&T Data Communications Serv 11492 1172 124 41 Cable One 6478 1118 329 193 AT&T Worldnet Services 18566 1034 288 9 Covad Communications 6197 1031 721 510 BellSouth Network Solutions, 7011 992 295 578 Citizens Utilities 174 969 6857 820 Cogent Communications 701 897 6548 703 UUNET Technologies, Inc. 20115 847 774 457 Charter Communications 3356 841 10904 417 Level 3 Communications, LLC 22773 830 2138 58 Cox Communications, Inc. 19262 800 3046 188 Verizon Global Networks 1239 789 2672 550 Sprint 209 741 3786 582 Qwest 5668 664 177 20 CenturyTel Internet Holdings, 15270 608 160 41 PaeTec.net -a division of Pae 6517 600 163 33 Yipes Communications, Inc. 852 584 1110 357 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 466 1917 379 UUNET - Commercial IP service 3292 408 1653 368 TDC Tele Danmark 9116 341 184 28 Goldenlines main autonomous s 3301 319 1457 294 TeliaNet Sweden 3320 316 6019 262 Deutsche Telekom AG 8866 282 78 26 Bulgarian Telecommunication C 8452 280 188 7 TEDATA 6746 277 130 254 Dynamic Network Technologies, 8551 277 266 40 Bezeq International 8708 273 421 245 Romania Data Systems S.A. 3215 270 2583 92 France Telecom Transpac 680 268 2045 254 DFN-IP service G-WiN 8220 247 439 230 COLT Telecommunications 3352 235 1948 40 Ibernet, Internet Access Netw 3269 229 3029 67 TELECOM ITALIA 3300 214 220 102 AUCS Communications Services 9121 212 1444 26 TTnet Autonomous System 9155 199 43 11 QualityNet AS number 1257 195 1195 178 SWIPnet Swedish IP Network 12479 195 578 6 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1158 2409 219 UniNet S.A. de C.V. 11830 539 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 7303 406 197 61 Telecom Argentina Stet-France 11172 379 115 62 Servicios Alestra S.A de C.V 14522 379 34 8 SatNet S.A. 6471 363 85 38 ENTEL CHILE S.A. 22047 322 254 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 10620 289 79 23 TVCABLE BOGOTA 14117 285 19 15 Telefonica del Sur S.A. 6147 256 214 21 Telefonica Del Peru 7738 238 602 25 Telecomunicacoes da Bahia S.A 11556 236 128 4 Cable-Wireless Panama 20299 223 33 29 NEWCOM AMERICAS 23216 222 17 47 RAMtelecom Telecomunicaciones 6503 220 187 86 AVANTEL, S.A. 28573 216 321 29 NET Servicos de Comunicao S.A 19169 190 12 20 Telconet 21826 186 33 47 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 391 60 36 LINKdotNET AS number 3741 280 869 226 The Internet Solution 20858 200 34 3 EgyNet 6713 145 135 11 Itissalat Al-MAGHRIB 2018 144 300 116 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 124 8 15 EEPAD TISP TELECOM & INTERNET 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 86 84 4 Nile Online 2905 77 174 73 The Internetworking Company o 23889 75 24 15 MAURITIUS TELECOM 20484 66 5 6 Yalla Online Autonomous Syste 15706 58 12 4 Sudatel Internet Exchange Aut 29571 57 13 7 Ci Telecom Autonomous system 33774 50 37 28 AS Number for Telecom Algeria 5713 47 423 37 Telkom SA Ltd 8524 32 2 10 AUCEGYPT Autonomous System 12455 32 6 3 Jambonet Autonomous system 21152 32 2 1 AS for the uplinks of Soficom Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1490 1419 Videsh Sanchar Nigam Ltd. Aut 11492 1172 1131 Cable One 18566 1034 1025 Covad Communications 4323 1385 1022 Time Warner Telecom 9498 1059 996 BHARTI BT INTERNET LTD. 8151 1158 939 UniNet S.A. de C.V. 6478 1118 925 AT&T Worldnet Services 17488 917 837 Hathway IP Over Cable Interne 22773 830 772 Cox Communications, Inc. 4134 1041 736 CHINANET-BACKBONE 9583 1093 662 Sify Limited 5668 664 644 CenturyTel Internet Holdings, 19262 800 612 Verizon Global Networks 9829 584 574 BSNL National Internet Backbo 15270 608 567 PaeTec.net -a division of Pae 6517 600 567 Yipes Communications, Inc. 7545 667 554 TPG Internet Pty Ltd 18101 610 553 Reliance Infocom Ltd Internet 11830 539 530 Instituto Costarricense de El 2386 1321 525 AT&T Data Communications Serv List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65068 PRIVATE 79.171.184.0/21 43895 * 64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.31.31.0/24 9730 The Best ISP to go Multimedia 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 172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.33.1.0/24 7018 AT&T WorldNet Services 173.173.173.0/24 9730 The Best ISP to go Multimedia 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.153.136.0/21 721 DLA Systems Automation Center 192.172.0.0/19 721 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 /9:9 /10:15 /11:40 /12:135 /13:270 /14:485 /15:960 /16:9737 /17:4185 /18:6837 /19:14817 /20:16917 /21:15942 /22:20093 /23:21045 /24:125722 /25:821 /26:1035 /27:550 /28:91 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1163 1172 Cable One 6478 1117 1118 AT&T Worldnet Services 18566 1016 1034 Covad Communications 2386 1012 1321 AT&T Data Communications Serv 9583 938 1093 Sify Limited 7011 877 992 Citizens Utilities 4755 855 1490 Videsh Sanchar Nigam Ltd. Aut 7018 824 1494 AT&T WorldNet Services 23577 788 797 Korea Telecom (ATM-MPLS) 6197 773 1031 BellSouth Network Solutions, 9498 746 1059 BHARTI BT INTERNET LTD. 17488 732 917 Hathway IP Over Cable Interne 4766 606 818 Korea Telecom (KIX) 4323 591 1385 Time Warner Telecom 15270 570 608 PaeTec.net -a division of Pae 19916 564 569 OLM LLC 6517 556 600 Yipes Communications, Inc. 5668 522 664 CenturyTel Internet Holdings, 4668 509 519 LG-EDS Systems Inc. 18101 504 610 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:91 12:1908 13:2 15:20 16:3 17:6 18:13 20:35 24:1011 25:1 31:1 32:61 33:3 38:364 40:64 41:403 44:2 47:8 52:3 55:3 56:3 57:21 58:487 59:413 60:389 61:995 62:1003 63:1976 64:3287 65:2360 66:3597 67:950 68:646 69:2056 70:465 71:106 72:1458 73:7 74:754 75:263 76:158 77:488 78:376 79:43 80:894 81:814 82:550 83:361 84:617 85:890 86:365 87:613 88:289 89:1057 90:39 91:811 92:13 96:1 97:7 98:18 114:1 115:1 116:447 117:221 118:50 121:351 122:652 123:228 124:748 125:1062 128:309 129:181 130:137 131:375 132:62 133:9 134:194 135:33 136:195 137:82 138:148 139:73 140:513 141:117 142:372 143:260 144:329 145:51 146:331 147:127 148:481 149:184 150:171 151:118 152:95 153:122 154:11 155:270 156:199 157:226 158:165 159:197 160:185 161:100 162:193 163:185 164:558 165:415 166:291 167:311 168:552 169:126 170:417 171:29 172:5 173:1 189:119 190:1285 192:5739 193:4052 194:3226 195:2327 196:931 198:3806 199:3231 200:5216 201:1279 202:7368 203:7819 204:3956 205:2018 206:2416 207:2764 208:3011 209:3558 210:2511 211:1106 212:1274 213:1601 214:415 215:47 216:4075 217:1214 218:331 219:403 220:1014 221:406 222:287 End of report
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