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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 20 20:03:03 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 Apr, 2007 Analysis Summary ---------------- BGP routing table entries examined: 218298 Prefixes after maximum aggregation: 116609 Deaggregation factor: 1.87 Unique aggregates announced to Internet: 106012 Total ASes present in the Internet Routing Table: 24982 Prefixes per ASN: 8.74 Origin-only ASes present in the Internet Routing Table: 21749 Origin ASes announcing only one prefix: 10510 Transit ASes present in the Internet Routing Table: 3233 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 7 Unregistered ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1710840640 Equivalent to 101 /8s, 249 /16s and 91 /24s Percentage of available address space announced: 46.2 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 113985 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 50264 Total APNIC prefixes after maximum aggregation: 20187 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 47307 Unique aggregates announced from the APNIC address blocks: 21138 APNIC Region origin ASes present in the Internet Routing Table: 2920 APNIC Prefixes per ASN: 16.20 APNIC Region origin ASes announcing only one prefix: 785 APNIC Region transit ASes present in the Internet Routing Table: 439 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 291868096 Equivalent to 17 /8s, 101 /16s and 141 /24s Percentage of available APNIC address space announced: 72.3 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: 105906 Total ARIN prefixes after maximum aggregation: 61843 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78009 Unique aggregates announced from the ARIN address blocks: 30289 ARIN Region origin ASes present in the Internet Routing Table: 11507 ARIN Prefixes per ASN: 6.78 ARIN Region origin ASes announcing only one prefix: 4401 ARIN Region transit ASes present in the Internet Routing Table: 1049 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 329029504 Equivalent to 19 /8s, 156 /16s and 151 /24s Percentage of available ARIN address space announced: 72.6 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: 44985 Total RIPE prefixes after maximum aggregation: 29464 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 41548 Unique aggregates announced from the RIPE address blocks: 27764 RIPE Region origin ASes present in the Internet Routing Table: 9506 RIPE Prefixes per ASN: 4.37 RIPE Region origin ASes announcing only one prefix: 5016 RIPE Region transit ASes present in the Internet Routing Table: 1541 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 303291136 Equivalent to 18 /8s, 19 /16s and 219 /24s Percentage of available RIPE address space announced: 75.3 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 40960-43007 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: 14589 Total LACNIC prefixes after maximum aggregation: 4104 LACNIC Deaggregation factor: 3.55 Prefixes being announced from the LACNIC address blocks: 12688 Unique aggregates announced from the LACNIC address blocks: 7071 LACNIC Region origin ASes present in the Internet Routing Table: 779 LACNIC Prefixes per ASN: 16.29 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 138 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 38357760 Equivalent to 2 /8s, 73 /16s and 75 /24s Percentage of available LACNIC address space announced: 57.2 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: 2545 Total AfriNIC prefixes after maximum aggregation: 1005 AfriNIC Deaggregation factor: 2.53 Prefixes being announced from the AfriNIC address blocks: 1922 Unique aggregates announced from the AfriNIC address blocks: 1182 AfriNIC Region origin ASes present in the Internet Routing Table: 189 AfriNIC Prefixes per ASN: 10.17 AfriNIC Region origin ASes announcing only one prefix: 59 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6041088 Equivalent to 0 /8s, 92 /16s and 46 /24s Percentage of available AfriNIC address space announced: 18.0 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 1274 9487 269 CHINANET-BACKBONE 4755 1196 382 72 Videsh Sanchar Nigam Ltd. Aut 9583 1094 79 375 Sify Limited 9498 977 469 74 BHARTI BT INTERNET LTD. 4766 782 4943 312 Korea Telecom (KIX) 23577 779 35 708 Korea Telecom (ATM-MPLS) 17488 666 43 36 Hathway IP Over Cable Interne 7545 623 142 79 TPG Internet Pty Ltd 1221 579 1956 448 Telstra Pty Ltd 18101 529 116 26 Reliance Infocom Ltd Internet 4668 505 68 10 LG-EDS Systems Inc. 17676 503 10935 65 Softbank BB Corp. 4812 461 795 73 China Telecom (Shanghai) 9443 459 115 74 Primus Telecommunications 7474 401 217 268 SingTel Optus Pty Ltd 9829 359 274 14 BSNL National Internet Backbo 17557 358 35 172 Pakistan Telecom 4802 357 86 147 Wantree Development 4837 343 4708 157 chinanet IDC center beijing n 17974 343 129 14 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1500 6127 986 AT&T WorldNet Services 4323 1268 1022 359 Time Warner Telecom 2386 1100 530 742 AT&T Data Communications Serv 6478 1096 335 151 AT&T Worldnet Services 11492 1037 102 17 Cable One 6197 1034 686 501 BellSouth Network Solutions, 18566 999 288 9 Covad Communications 174 950 6792 866 Cogent Communications 701 942 6677 736 UUNET Technologies, Inc. 1239 824 2716 574 Sprint 20115 822 734 426 Charter Communications 7011 783 225 465 Citizens Utilities 209 717 3734 570 Qwest 19262 710 2554 173 Verizon Global Networks 22773 703 1871 40 Cox Communications, Inc. 721 617 21756 274 DLA Systems Automation Center 852 594 1096 376 Telus Advanced Communications 5668 593 160 17 CenturyTel Internet Holdings, 7029 574 456 81 Alltel Information Services, 19916 568 49 54 OLM LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 519 1957 413 UUNET - Commercial IP service 24863 342 47 32 LINKdotNET AS number 3301 307 1455 287 TeliaNet Sweden 3320 303 4993 251 Deutsche Telekom AG 6746 273 95 250 Dynamic Network Technologies, 8220 258 461 249 COLT Telecommunications 680 255 2043 247 DFN-IP service G-WiN 3215 239 2256 92 France Telecom Transpac 8708 236 288 229 Romania Data Systems S.A. 3269 214 2583 72 TELECOM ITALIA 3246 208 340 197 Song Networks 8551 206 196 30 Bezeq International 30890 205 17 95 SC Kappa Invexim SRL 3352 199 1799 33 Ibernet, Internet Access Netw 20858 196 34 4 EgyNet 1257 192 1180 170 SWIPnet Swedish IP Network 9116 188 134 24 Goldenlines main autonomous s 12479 185 578 6 Uni2 Autonomous System 3300 184 171 89 AUCS Communications Services 786 178 1795 178 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1047 1869 209 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 364 116 64 Servicios Alestra S.A de C.V 16814 362 22 8 NSS, S.A. 22047 310 238 12 VTR PUNTO NET S.A. 7303 267 143 24 Telecom Argentina Stet-France 6471 259 74 31 ENTEL CHILE S.A. 14117 242 17 14 Telefonica del Sur S.A. 11556 235 128 3 Cable-Wireless Panama 6147 226 176 23 Telefonica Del Peru 6503 213 171 85 AVANTEL, S.A. 20299 198 26 20 NEWCOM AMERICAS 10620 184 53 23 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 23216 158 19 42 RAMtelecom Telecomunicaciones 21826 156 28 59 INTERCABLE 7910 153 11 30 ANDINET ON LINE 19429 148 92 39 E.T.B. 14522 146 22 5 SatNet S.A. 18822 146 9 6 TELEFONICA MANQUEHUE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 291 868 232 The Internet Solution 8452 216 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 137 309 112 Tertiary Education Network 15475 129 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 116 7 9 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 80 173 72 The Internetworking Company o 2561 61 6 2 Egyptian Universities Network 15706 51 12 4 Sudatel Internet Exchange Aut 23889 49 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 43 13 24 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 8524 30 2 6 AUCEGYPT Autonomous System 33776 30 2 7 Starcomms Nigeria Limited 33766 28 2 1 Nyala Communications Pty Ltd 21280 27 4 4 Swift Global Kenya Ltd.Is an 12455 24 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1196 1124 Videsh Sanchar Nigam Ltd. Aut 11492 1037 1020 Cable One 4134 1274 1005 CHINANET-BACKBONE 18566 999 990 Covad Communications 6478 1096 945 AT&T Worldnet Services 4323 1268 909 Time Warner Telecom 9498 977 903 BHARTI BT INTERNET LTD. 8151 1047 838 UniNet S.A. de C.V. 9583 1094 719 Sify Limited 22773 703 663 Cox Communications, Inc. 17488 666 630 Hathway IP Over Cable Interne 5668 593 576 CenturyTel Internet Holdings, 7545 623 544 TPG Internet Pty Ltd 19262 710 537 Verizon Global Networks 6197 1034 533 BellSouth Network Solutions, 19916 568 514 OLM LLC 18101 529 503 Reliance Infocom Ltd Internet 855 566 495 Canadian Research Network 4668 505 495 LG-EDS Systems Inc. 7029 574 493 Alltel Information Services, List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 64518 PRIVATE 125.18.63.0/24 7633 Software Technology 64807 PRIVATE 170.210.44.0/25 7303 Telecom Argentina St 64810 PRIVATE 170.210.78.128/25 7303 Telecom Argentina St 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ 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 /8:19 /9:9 /10:13 /11:34 /12:122 /13:236 /14:447 /15:856 /16:9348 /17:3810 /18:6307 /19:13456 /20:15185 /21:13694 /22:17774 /23:19131 /24:115716 /25:765 /26:815 /27:486 /28:60 /29:6 /30:1 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1087 1096 AT&T Worldnet Services 11492 1023 1037 Cable One 18566 981 999 Covad Communications 9583 933 1094 Sify Limited 2386 819 1100 AT&T Data Communications Serv 7018 815 1500 AT&T WorldNet Services 6197 796 1034 BellSouth Network Solutions, 23577 765 779 Korea Telecom (ATM-MPLS) 7011 686 783 Citizens Utilities 9498 640 977 BHARTI BT INTERNET LTD. 4755 591 1196 Videsh Sanchar Nigam Ltd. Aut 4766 588 782 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 529 1268 Time Warner Telecom 4668 495 505 LG-EDS Systems Inc. 15270 494 527 PaeTec.net -a division of Pae 17488 487 666 Hathway IP Over Cable Interne 855 464 566 Canadian Research Network 5668 459 593 CenturyTel Internet Holdings, 18101 456 529 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:70 9:1 12:1793 15:19 16:3 17:3 18:8 20:37 24:950 25:1 32:53 38:298 40:57 41:123 44:2 47:4 52:4 55:1 56:3 57:26 58:368 59:369 60:268 61:918 62:924 63:1964 64:3117 65:2325 66:3258 67:799 68:647 69:1807 70:500 71:111 72:1258 73:1 74:380 75:257 76:37 77:150 80:855 81:805 82:611 83:379 84:430 85:746 86:444 87:460 88:245 89:835 90:21 91:266 97:1 116:24 121:174 122:525 123:88 124:782 125:939 128:272 129:219 130:121 131:348 132:52 133:10 134:193 135:39 136:179 137:83 138:194 139:63 140:480 141:149 142:369 143:210 144:289 145:43 146:323 147:146 148:399 149:142 150:115 151:124 152:94 153:121 154:4 155:251 156:152 157:183 158:161 159:154 160:104 161:88 162:236 163:146 164:453 165:402 166:233 167:278 168:496 169:120 170:398 171:15 172:1 189:263 190:569 192:5744 193:3778 194:3071 195:2209 196:928 198:3750 199:3284 200:4697 201:954 202:7220 203:7434 204:3938 205:2105 206:2396 207:2908 208:2615 209:3615 210:2459 211:930 212:1296 213:1448 214:390 215:40 216:4005 217:1153 218:353 219:356 220:937 221:395 222:270 End of report Report Website: http://thyme.apnic.net
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