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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 2 19:03:03 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 03 Nov, 2007 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 237079 Prefixes after maximum aggregation: 122131 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 114350 Total ASes present in the Internet Routing Table: 26602 Prefixes per ASN: 8.91 Origin-only ASes present in the Internet Routing Table: 23152 Origin ASes announcing only one prefix: 11298 Transit ASes present in the Internet Routing Table: 3450 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 66 Max AS path prepend of ASN ( 3816) 64 Prefixes from unregistered ASNs in the Routing Table: 29 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: 12 Number of addresses announced to Internet: 1788818304 Equivalent to 106 /8s, 159 /16s and 51 /24s Percentage of available address space announced: 48.3 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 110379 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55136 Total APNIC prefixes after maximum aggregation: 20723 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 52049 Unique aggregates announced from the APNIC address blocks: 22047 APNIC Region origin ASes present in the Internet Routing Table: 3074 APNIC Prefixes per ASN: 16.93 APNIC Region origin ASes announcing only one prefix: 798 APNIC Region transit ASes present in the Internet Routing Table: 473 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 323962048 Equivalent to 19 /8s, 79 /16s and 68 /24s Percentage of available APNIC address space announced: 74.1 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: 111540 Total ARIN prefixes after maximum aggregation: 63969 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 82536 Unique aggregates announced from the ARIN address blocks: 32579 ARIN Region origin ASes present in the Internet Routing Table: 11925 ARIN Prefixes per ASN: 6.92 ARIN Region origin ASes announcing only one prefix: 4599 ARIN Region transit ASes present in the Internet Routing Table: 1110 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 352031104 Equivalent to 20 /8s, 251 /16s and 145 /24s Percentage of available ARIN address space announced: 77.7 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: 49364 Total RIPE prefixes after maximum aggregation: 31795 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 46293 Unique aggregates announced from the RIPE address blocks: 30557 RIPE Region origin ASes present in the Internet Routing Table: 10440 RIPE Prefixes per ASN: 4.43 RIPE Region origin ASes announcing only one prefix: 5551 RIPE Region transit ASes present in the Internet Routing Table: 1645 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 335514496 Equivalent to 19 /8s, 255 /16s and 139 /24s Percentage of available RIPE address space announced: 76.9 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: 17746 Total LACNIC prefixes after maximum aggregation: 4552 LACNIC Deaggregation factor: 3.90 Prefixes being announced from the LACNIC address blocks: 15641 Unique aggregates announced from the LACNIC address blocks: 8717 LACNIC Region origin ASes present in the Internet Routing Table: 870 LACNIC Prefixes per ASN: 17.98 LACNIC Region origin ASes announcing only one prefix: 280 LACNIC Region transit ASes present in the Internet Routing Table: 148 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 66 Number of LACNIC addresses announced to Internet: 45830400 Equivalent to 2 /8s, 187 /16s and 81 /24s Percentage of available LACNIC address space announced: 45.5 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: 3255 Total AfriNIC prefixes after maximum aggregation: 1076 AfriNIC Deaggregation factor: 3.03 Prefixes being announced from the AfriNIC address blocks: 2374 Unique aggregates announced from the AfriNIC address blocks: 1399 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.15 AfriNIC Region origin ASes announcing only one prefix: 70 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7633152 Equivalent to 0 /8s, 116 /16s and 121 /24s Percentage of available AfriNIC address space announced: 22.7 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 1428 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1107 108 15 Sify Limited 4134 1101 11560 302 CHINANET-BACKBONE 9498 1018 549 64 BHARTI BT INTERNET LTD. 17488 874 57 69 Hathway IP Over Cable Interne 4766 814 5473 327 Korea Telecom (KIX) 23577 774 34 679 Korea Telecom (ATM-MPLS) 7545 720 159 123 TPG Internet Pty Ltd 18101 609 119 53 Reliance Infocom Ltd Internet 1221 542 1951 422 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 524 866 77 China Telecom (Shanghai) 4668 520 68 10 LG-EDS Systems Inc. 17676 504 10919 64 Softbank BB Corp. 4808 500 797 121 CNCGROUP IP network: China169 4802 487 133 141 Wantree Development 9443 441 121 72 Primus Telecommunications 7474 380 202 266 SingTel Optus Pty Ltd 17974 369 146 14 PT TELEKOMUNIKASI INDONESIA 4837 356 5050 168 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1507 6147 1010 AT&T WorldNet Services 4323 1362 1014 360 Time Warner Telecom 2386 1249 629 760 AT&T Data Communications Serv 11492 1161 119 48 Cable One 6478 1121 329 184 AT&T Worldnet Services 6197 1030 718 508 BellSouth Network Solutions, 18566 1029 288 9 Covad Communications 174 983 6882 848 Cogent Communications 7011 979 290 562 Citizens Utilities 701 891 6552 697 UUNET Technologies, Inc. 577 848 844 211 Bell Advanced Communications 20115 845 771 457 Charter Communications 22773 802 2133 54 Cox Communications, Inc. 1239 800 2729 559 Sprint 19262 797 2861 182 Verizon Global Networks 3356 792 10885 409 Level 3 Communications, LLC 209 727 3782 570 Qwest 5668 662 176 17 CenturyTel Internet Holdings, 1785 591 379 246 AppliedTheory Corporation 6517 590 163 33 Yipes Communications, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 469 1917 383 UUNET - Commercial IP service 9116 335 168 28 Goldenlines main autonomous s 3301 316 1441 293 TeliaNet Sweden 3320 315 6035 262 Deutsche Telekom AG 8551 311 298 41 Bezeq International 6746 273 129 251 Dynamic Network Technologies, 8708 273 421 244 Romania Data Systems S.A. 8866 269 62 25 Bulgarian Telecommunication C 680 268 2045 254 DFN-IP service G-WiN 3215 263 2503 98 France Telecom Transpac 8220 255 444 237 COLT Telecommunications 8452 244 188 7 TEDATA 3352 235 1932 41 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 9121 212 1442 25 TTnet Autonomous System 3300 199 172 95 AUCS Communications Services 12479 195 578 6 Uni2 Autonomous System 1257 194 1195 177 SWIPnet Swedish IP Network 3246 193 257 184 Song Networks 3292 193 1380 177 TDC Tele Danmark LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1160 2406 219 UniNet S.A. de C.V. 11830 514 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 14522 378 32 7 SatNet S.A. 11172 377 114 60 Servicios Alestra S.A de C.V 7303 366 177 53 Telecom Argentina Stet-France 6471 352 77 37 ENTEL CHILE S.A. 22047 317 246 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 14117 285 19 15 Telefonica del Sur S.A. 10620 265 73 27 TVCABLE BOGOTA 6147 242 182 20 Telefonica Del Peru 11556 236 128 4 Cable-Wireless Panama 23216 220 17 47 RAMtelecom Telecomunicaciones 6503 206 185 80 AVANTEL, S.A. 7738 205 538 24 Telecomunicacoes da Bahia S.A 28573 202 314 27 NET Servicos de Comunicao S.A 21826 184 33 49 INTERCABLE 20299 181 33 30 NEWCOM AMERICAS 19169 180 12 19 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 386 67 44 LINKdotNET AS number 3741 279 869 225 The Internet Solution 20858 195 34 3 EgyNet 6713 143 135 11 Itissalat Al-MAGHRIB 2018 140 299 115 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 124 8 11 EEPAD TISP TELECOM & INTERNET 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 83 84 4 Nile Online 2905 75 174 72 The Internetworking Company o 23889 74 24 15 MAURITIUS TELECOM 20484 63 5 5 Yalla Online Autonomous Syste 16637 62 21 29 Johnnic e-Ventures 15706 55 12 4 Sudatel Internet Exchange Aut 29571 55 11 7 Ci Telecom Autonomous system 33774 47 33 26 AS Number for Telecom Algeria 5713 46 294 36 Telkom SA Ltd 12455 36 6 3 Jambonet Autonomous system 21152 31 2 5 AS for the uplinks of Soficom Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1428 1361 Videsh Sanchar Nigam Ltd. Aut 11492 1161 1113 Cable One 9583 1107 1092 Sify Limited 18566 1029 1020 Covad Communications 4323 1362 1002 Time Warner Telecom 9498 1018 954 BHARTI BT INTERNET LTD. 8151 1160 941 UniNet S.A. de C.V. 6478 1121 937 AT&T Worldnet Services 17488 874 805 Hathway IP Over Cable Interne 4134 1101 799 CHINANET-BACKBONE 22773 802 748 Cox Communications, Inc. 5668 662 645 CenturyTel Internet Holdings, 577 848 637 Bell Advanced Communications 19262 797 615 Verizon Global Networks 7545 720 597 TPG Internet Pty Ltd 6517 590 557 Yipes Communications, Inc. 18101 609 556 Reliance Infocom Ltd Internet 6197 1030 522 BellSouth Network Solutions, 19916 569 522 OLM LLC 9829 530 521 BSNL National Internet Backbo List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network 64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L 65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In 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 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 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 /10:16 /11:39 /12:136 /13:270 /14:480 /15:949 /16:9718 /17:4168 /18:6699 /19:14600 /20:16696 /21:15568 /22:20123 /23:20859 /24:124231 /25:809 /26:1026 /27:540 /28:112 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1152 1161 Cable One 6478 1120 1121 AT&T Worldnet Services 18566 1011 1029 Covad Communications 9583 945 1107 Sify Limited 2386 939 1249 AT&T Data Communications Serv 7011 866 979 Citizens Utilities 7018 832 1507 AT&T WorldNet Services 4755 818 1428 Videsh Sanchar Nigam Ltd. Aut 6197 774 1030 BellSouth Network Solutions, 23577 765 774 Korea Telecom (ATM-MPLS) 9498 704 1018 BHARTI BT INTERNET LTD. 17488 689 874 Hathway IP Over Cable Interne 577 609 848 Bell Advanced Communications 4766 605 814 Korea Telecom (KIX) 4323 575 1362 Time Warner Telecom 19916 564 569 OLM LLC 6517 546 590 Yipes Communications, Inc. 5668 521 662 CenturyTel Internet Holdings, 4668 510 520 LG-EDS Systems Inc. 18101 509 609 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:89 12:1799 15:19 16:3 17:6 18:13 20:35 24:1001 32:57 33:3 38:356 40:64 41:381 44:2 47:8 52:3 55:3 56:3 57:21 58:475 59:409 60:385 61:989 62:941 63:1989 64:3298 65:2374 66:3586 67:843 68:688 69:2009 70:464 71:107 72:1418 73:8 74:745 75:263 76:156 77:415 78:264 79:9 80:859 81:796 82:575 83:350 84:635 85:817 86:411 87:566 88:283 89:1020 90:38 91:702 92:5 96:1 97:6 98:12 116:419 117:206 118:42 121:336 122:636 123:205 124:702 125:1036 128:306 129:195 130:143 131:365 132:53 133:9 134:193 135:34 136:189 137:82 138:156 139:76 140:512 141:145 142:371 143:256 144:318 145:46 146:326 147:130 148:484 149:184 150:168 151:137 152:92 153:121 154:11 155:261 156:164 157:224 158:159 159:193 160:143 161:100 162:189 163:183 164:500 165:397 166:290 167:307 168:513 169:126 170:414 171:22 172:5 189:103 190:1207 192:5720 193:3987 194:3211 195:2451 196:935 198:3793 199:3226 200:5237 201:1234 202:7421 203:7773 204:3983 205:1993 206:2401 207:2794 208:2916 209:3603 210:2500 211:1077 212:1303 213:1520 214:432 215:43 216:4116 217:1204 218:323 219:384 220:1011 221:403 222:267 End of report
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