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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 20 20:03:32 CEST 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 21 Jul, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/07/21/0400 Analysis Summary ---------------- BGP routing table entries examined: 226170 Prefixes after maximum aggregation: 118939 Deaggregation factor: 1.90 Unique aggregates announced to Internet: 109985 Total ASes present in the Internet Routing Table: 25742 Prefixes per ASN: 8.79 Origin-only ASes present in the Internet Routing Table: 22440 Origin ASes announcing only one prefix: 10932 Transit ASes present in the Internet Routing Table: 3302 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 9 Unregistered ASNs in the Routing Table: 11 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1739111776 Equivalent to 103 /8s, 168 /16s and 189 /24s Percentage of available address space announced: 46.9 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 119103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 53054 Total APNIC prefixes after maximum aggregation: 20706 APNIC Deaggregation factor: 2.56 Prefixes being announced from the APNIC address blocks: 49994 Unique aggregates announced from the APNIC address blocks: 21984 APNIC Region origin ASes present in the Internet Routing Table: 3017 APNIC Prefixes per ASN: 16.57 APNIC Region origin ASes announcing only one prefix: 804 APNIC Region transit ASes present in the Internet Routing Table: 459 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 304990112 Equivalent to 18 /8s, 45 /16s and 199 /24s Percentage of available APNIC address space announced: 75.5 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, 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: 107407 Total ARIN prefixes after maximum aggregation: 62361 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 79061 Unique aggregates announced from the ARIN address blocks: 31348 ARIN Region origin ASes present in the Internet Routing Table: 11687 ARIN Prefixes per ASN: 6.76 ARIN Region origin ASes announcing only one prefix: 4510 ARIN Region transit ASes present in the Internet Routing Table: 1070 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 339579648 Equivalent to 20 /8s, 61 /16s and 147 /24s Percentage of available ARIN address space announced: 75.0 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: 47527 Total RIPE prefixes after maximum aggregation: 30532 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 43887 Unique aggregates announced from the RIPE address blocks: 28978 RIPE Region origin ASes present in the Internet Routing Table: 9934 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5287 RIPE Region transit ASes present in the Internet Routing Table: 1567 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 322707072 Equivalent to 19 /8s, 60 /16s and 30 /24s Percentage of available RIPE address space announced: 80.1 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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 15587 Total LACNIC prefixes after maximum aggregation: 4302 LACNIC Deaggregation factor: 3.62 Prefixes being announced from the LACNIC address blocks: 13621 Unique aggregates announced from the LACNIC address blocks: 7720 LACNIC Region origin ASes present in the Internet Routing Table: 830 LACNIC Prefixes per ASN: 16.41 LACNIC Region origin ASes announcing only one prefix: 269 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 40740352 Equivalent to 2 /8s, 109 /16s and 166 /24s Percentage of available LACNIC address space announced: 60.7 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 2587 Total AfriNIC prefixes after maximum aggregation: 1030 AfriNIC Deaggregation factor: 2.51 Prefixes being announced from the AfriNIC address blocks: 2111 Unique aggregates announced from the AfriNIC address blocks: 1274 AfriNIC Region origin ASes present in the Internet Routing Table: 199 AfriNIC Prefixes per ASN: 10.61 AfriNIC Region origin ASes announcing only one prefix: 62 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6345472 Equivalent to 0 /8s, 96 /16s and 211 /24s Percentage of available AfriNIC address space announced: 18.9 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 4134 1362 10842 286 CHINANET-BACKBONE 4755 1278 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1117 80 401 Sify Limited 9498 977 533 70 BHARTI BT INTERNET LTD. 23577 796 34 691 Korea Telecom (ATM-MPLS) 4766 786 4929 314 Korea Telecom (KIX) 17488 727 47 56 Hathway IP Over Cable Interne 7545 692 150 112 TPG Internet Pty Ltd 18101 573 117 41 Reliance Infocom Ltd Internet 1221 546 1951 424 Telstra Pty Ltd 4812 527 913 95 China Telecom (Shanghai) 4668 512 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 9443 472 122 77 Primus Telecommunications 7474 412 218 270 SingTel Optus Pty Ltd 4802 411 105 151 Wantree Development 17974 373 130 13 PT TELEKOMUNIKASI INDONESIA 9829 362 258 14 BSNL National Internet Backbo 4808 360 669 120 CNCGROUP IP network: China169 17557 352 57 174 Pakistan Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1462 6074 988 AT&T WorldNet Services 4323 1321 1021 374 Time Warner Telecom 2386 1209 633 754 AT&T Data Communications Serv 6478 1113 316 162 AT&T Worldnet Services 11492 1102 107 24 Cable One 6197 1024 717 507 BellSouth Network Solutions, 18566 1015 288 9 Covad Communications 174 964 6778 854 Cogent Communications 701 947 6563 723 UUNET Technologies, Inc. 7011 893 256 542 Citizens Utilities 1239 812 2741 583 Sprint 20115 801 735 429 Charter Communications 19262 762 2759 187 Verizon Global Networks 209 761 3879 596 Qwest 22773 745 1893 50 Cox Communications, Inc. 5668 617 169 21 CenturyTel Internet Holdings, 7029 585 488 79 Alltel Information Services, 855 574 254 73 Canadian Research Network 852 572 1093 363 Telus Advanced Communications 6517 568 159 37 Yipes Communications, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2119 513 1075 136 Telenor Internet Access 702 503 1921 404 UUNET - Commercial IP service 24863 357 56 41 LINKdotNET AS number 9116 317 168 25 Goldenlines main autonomous s 3301 312 1456 292 TeliaNet Sweden 3320 309 6034 256 Deutsche Telekom AG 6746 282 129 258 Dynamic Network Technologies, 5089 268 1658 53 NTL Group Limited 680 265 2045 256 DFN-IP service G-WiN 8220 257 445 241 COLT Telecommunications 3215 255 2376 96 France Telecom Transpac 8708 250 420 239 Romania Data Systems S.A. 8551 223 213 28 Bezeq International 3269 222 2775 74 TELECOM ITALIA 3352 220 1864 41 Ibernet, Internet Access Netw 9121 210 1441 24 TTnet Autonomous System 1257 194 1195 172 SWIPnet Swedish IP Network 3292 194 1379 174 TDC Tele Danmark 12479 190 578 6 Uni2 Autonomous System 3246 185 253 176 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 862 1926 207 UniNet S.A. de C.V. 11830 483 299 9 Instituto Costarricense de El 11172 375 116 63 Servicios Alestra S.A de C.V 16814 361 22 8 NSS, S.A. 22047 318 246 13 VTR PUNTO NET S.A. 6471 307 74 33 ENTEL CHILE S.A. 7303 305 148 34 Telecom Argentina Stet-France 14117 279 19 15 Telefonica del Sur S.A. 11556 231 128 4 Cable-Wireless Panama 6147 225 174 26 Telefonica Del Peru 10620 214 60 18 TVCABLE BOGOTA 6503 208 172 85 AVANTEL, S.A. 23216 196 16 43 RAMtelecom Telecomunicaciones 10481 181 72 8 Prima S.A. 14522 177 28 7 SatNet S.A. 8163 176 11 9 METROTEL REDES S.A. 7738 158 506 23 Telecomunicacoes da Bahia S.A 20299 157 23 13 NEWCOM AMERICAS 21826 157 27 60 INTERCABLE 19169 156 10 22 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 281 867 222 The Internet Solution 8452 226 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 138 301 115 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 121 8 11 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2905 76 174 73 The Internetworking Company o 15475 75 84 4 Nile Online 2561 62 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 52 24 15 MAURITIUS TELECOM 5713 46 294 36 Telkom SA Ltd 33774 45 29 24 AS Number for Telecom Algeria 16637 37 21 29 Johnnic e-Ventures 33776 35 2 6 Starcomms Nigeria Limited 8524 32 2 8 AUCEGYPT Autonomous System 12455 29 6 3 Jambonet Autonomous system 21280 29 4 4 Swift Global Kenya Ltd.Is an 10798 24 2 15 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1278 1207 Videsh Sanchar Nigam Ltd. Aut 11492 1102 1078 Cable One 4134 1362 1076 CHINANET-BACKBONE 18566 1015 1006 Covad Communications 6478 1113 951 AT&T Worldnet Services 4323 1321 947 Time Warner Telecom 9498 977 907 BHARTI BT INTERNET LTD. 9583 1117 716 Sify Limited 22773 745 695 Cox Communications, Inc. 17488 727 671 Hathway IP Over Cable Interne 8151 862 655 UniNet S.A. de C.V. 5668 617 596 CenturyTel Internet Holdings, 7545 692 580 TPG Internet Pty Ltd 19262 762 575 Verizon Global Networks 18101 573 532 Reliance Infocom Ltd Internet 6517 568 531 Yipes Communications, Inc. 15270 557 520 PaeTec.net -a division of Pae 6197 1024 517 BellSouth Network Solutions, 19916 568 517 OLM LLC 7029 585 506 Alltel Information Services, List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 172.33.1.0/24 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 /10:15 /11:36 /12:129 /13:254 /14:468 /15:901 /16:9560 /17:4017 /18:6508 /19:13759 /20:16034 /21:14502 /22:18893 /23:19823 /24:118894 /25:777 /26:1004 /27:486 /28:70 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1112 1113 AT&T Worldnet Services 11492 1093 1102 Cable One 18566 997 1015 Covad Communications 9583 959 1117 Sify Limited 2386 901 1209 AT&T Data Communications Serv 7018 796 1462 AT&T WorldNet Services 7011 791 893 Citizens Utilities 23577 787 796 Korea Telecom (ATM-MPLS) 6197 778 1024 BellSouth Network Solutions, 4755 675 1278 Videsh Sanchar Nigam Ltd. Aut 9498 651 977 BHARTI BT INTERNET LTD. 4766 590 786 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 554 1321 Time Warner Telecom 17488 550 727 Hathway IP Over Cable Interne 6517 533 568 Yipes Communications, Inc. 15270 522 557 PaeTec.net -a division of Pae 4668 502 512 LG-EDS Systems Inc. 18101 485 573 Reliance Infocom Ltd Internet 5668 483 617 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:83 9:1 12:1802 15:19 16:3 17:3 18:11 20:37 24:937 25:1 32:50 33:3 38:335 40:60 41:214 44:2 47:4 52:4 55:3 56:3 57:25 58:474 59:381 60:335 61:991 62:882 63:1985 64:3142 65:2365 66:3300 67:744 68:626 69:1913 70:435 71:101 72:1353 73:2 74:575 75:253 76:80 77:285 78:19 80:824 81:816 82:666 83:375 84:540 85:860 86:342 87:457 88:288 89:927 90:8 91:416 97:6 98:3 116:247 117:62 121:240 122:580 123:129 124:880 125:949 128:286 129:223 130:140 131:360 132:54 133:9 134:195 135:38 136:178 137:81 138:156 139:72 140:494 141:173 142:373 143:235 144:296 145:45 146:324 147:119 148:401 149:142 150:113 151:161 152:90 153:126 154:2 155:256 156:156 157:213 158:158 159:164 160:103 161:93 162:213 163:180 164:461 165:400 166:287 167:290 168:507 169:120 170:412 171:23 172:1 189:63 190:749 192:5738 193:3927 194:3163 195:2240 196:959 198:3789 199:3270 200:4931 201:1107 202:7398 203:7550 204:3963 205:2015 206:2414 207:2823 208:2718 209:3486 210:2430 211:969 212:1299 213:1479 214:414 215:41 216:3992 217:1160 218:360 219:384 220:1002 221:408 222:265 End of report
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