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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 15 20:03:36 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 16 Jun, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/06/16/0400 Analysis Summary ---------------- BGP routing table entries examined: 222914 Prefixes after maximum aggregation: 117940 Deaggregation factor: 1.89 Unique aggregates announced to Internet: 108491 Total ASes present in the Internet Routing Table: 25464 Prefixes per ASN: 8.75 Origin-only ASes present in the Internet Routing Table: 22162 Origin ASes announcing only one prefix: 10772 Transit ASes present in the Internet Routing Table: 3302 Transit-only ASes present in the Internet Routing Table: 75 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: 5 Unregistered ASNs in the Routing Table: 7 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1737995104 Equivalent to 103 /8s, 151 /16s and 179 /24s Percentage of available address space announced: 46.9 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 116911 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 52214 Total APNIC prefixes after maximum aggregation: 20460 APNIC Deaggregation factor: 2.55 Prefixes being announced from the APNIC address blocks: 49154 Unique aggregates announced from the APNIC address blocks: 21596 APNIC Region origin ASes present in the Internet Routing Table: 2976 APNIC Prefixes per ASN: 16.52 APNIC Region origin ASes announcing only one prefix: 796 APNIC Region transit ASes present in the Internet Routing Table: 457 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 299838112 Equivalent to 17 /8s, 223 /16s and 42 /24s Percentage of available APNIC address space announced: 74.3 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: 106469 Total ARIN prefixes after maximum aggregation: 62049 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 78328 Unique aggregates announced from the ARIN address blocks: 31014 ARIN Region origin ASes present in the Internet Routing Table: 11628 ARIN Prefixes per ASN: 6.74 ARIN Region origin ASes announcing only one prefix: 4468 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: 17 Number of ARIN addresses announced to Internet: 336093824 Equivalent to 20 /8s, 8 /16s and 98 /24s Percentage of available ARIN address space announced: 74.2 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: 46726 Total RIPE prefixes after maximum aggregation: 30200 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 43218 Unique aggregates announced from the RIPE address blocks: 28664 RIPE Region origin ASes present in the Internet Routing Table: 9787 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5190 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: 22 Number of RIPE addresses announced to Internet: 315250688 Equivalent to 18 /8s, 202 /16s and 88 /24s Percentage of available RIPE address space announced: 78.3 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 40960-44031 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: 14923 Total LACNIC prefixes after maximum aggregation: 4216 LACNIC Deaggregation factor: 3.54 Prefixes being announced from the LACNIC address blocks: 12999 Unique aggregates announced from the LACNIC address blocks: 7312 LACNIC Region origin ASes present in the Internet Routing Table: 806 LACNIC Prefixes per ASN: 16.13 LACNIC Region origin ASes announcing only one prefix: 260 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: 18 Number of LACNIC addresses announced to Internet: 39271168 Equivalent to 2 /8s, 87 /16s and 59 /24s Percentage of available LACNIC address space announced: 58.5 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: 2573 Total AfriNIC prefixes after maximum aggregation: 1005 AfriNIC Deaggregation factor: 2.56 Prefixes being announced from the AfriNIC address blocks: 1988 Unique aggregates announced from the AfriNIC address blocks: 1208 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.41 AfriNIC Region origin ASes announcing only one prefix: 58 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6243584 Equivalent to 0 /8s, 95 /16s and 69 /24s Percentage of available AfriNIC address space announced: 18.6 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 1289 9973 279 CHINANET-BACKBONE 4755 1230 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1100 79 395 Sify Limited 9498 1002 469 67 BHARTI BT INTERNET LTD. 4766 787 4943 312 Korea Telecom (KIX) 23577 777 35 705 Korea Telecom (ATM-MPLS) 17488 701 46 40 Hathway IP Over Cable Interne 7545 632 143 82 TPG Internet Pty Ltd 18101 558 117 35 Reliance Infocom Ltd Internet 1221 550 1954 425 Telstra Pty Ltd 4668 508 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 465 843 80 China Telecom (Shanghai) 9443 465 121 77 Primus Telecommunications 7474 412 218 270 SingTel Optus Pty Ltd 4802 408 86 147 Wantree Development 17974 371 129 12 PT TELEKOMUNIKASI INDONESIA 9829 363 258 15 BSNL National Internet Backbo 2907 360 1700 301 SINET Japan 17557 358 41 173 Pakistan Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1473 6112 974 AT&T WorldNet Services 4323 1276 1034 366 Time Warner Telecom 2386 1141 596 753 AT&T Data Communications Serv 6478 1111 364 142 AT&T Worldnet Services 11492 1083 106 22 Cable One 6197 1024 707 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 956 6780 867 Cogent Communications 701 953 6596 727 UUNET Technologies, Inc. 7011 840 234 531 Citizens Utilities 1239 806 2731 573 Sprint 20115 800 730 426 Charter Communications 19262 776 2703 202 Verizon Global Networks 209 745 3838 581 Qwest 22773 721 1892 44 Cox Communications, Inc. 5668 612 169 20 CenturyTel Internet Holdings, 7029 599 488 80 Alltel Information Services, 852 589 1090 372 Telus Advanced Communications 855 573 253 71 Canadian Research Network 19916 568 49 51 OLM LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 515 1938 406 UUNET - Commercial IP service 2119 513 1075 135 Telenor Internet Access 24863 351 56 35 LINKdotNET AS number 3301 308 1471 288 TeliaNet Sweden 3320 307 6018 256 Deutsche Telekom AG 6746 278 129 255 Dynamic Network Technologies, 680 265 2044 256 DFN-IP service G-WiN 3215 249 2296 95 France Telecom Transpac 8220 248 444 240 COLT Telecommunications 8708 237 416 230 Romania Data Systems S.A. 5089 221 1658 53 NTL Group Limited 3269 218 2679 75 TELECOM ITALIA 3352 216 1864 37 Ibernet, Internet Access Netw 9121 208 1441 23 TTnet Autonomous System 8551 207 197 27 Bezeq International 9116 199 136 25 Goldenlines main autonomous s 1257 198 1196 176 SWIPnet Swedish IP Network 3246 197 331 187 Song Networks 12479 189 578 6 Uni2 Autonomous System 3300 181 171 88 AUCS Communications Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 844 1904 207 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 371 116 63 Servicios Alestra S.A de C.V 16814 361 22 8 NSS, S.A. 22047 316 238 12 VTR PUNTO NET S.A. 7303 295 144 31 Telecom Argentina Stet-France 6471 272 74 33 ENTEL CHILE S.A. 14117 255 19 15 Telefonica del Sur S.A. 11556 231 128 4 Cable-Wireless Panama 6147 223 168 25 Telefonica Del Peru 6503 211 188 84 AVANTEL, S.A. 10620 207 59 14 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 14522 167 27 8 SatNet S.A. 23216 163 19 42 RAMtelecom Telecomunicaciones 21826 157 27 59 INTERCABLE 7910 155 11 33 ANDINET ON LINE 19429 152 79 41 E.T.B. 20299 147 23 12 NEWCOM AMERICAS 7738 146 474 22 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 280 867 221 The Internet Solution 8452 214 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 136 301 111 Tertiary Education Network 15475 136 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 119 8 9 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 77 174 73 The Internetworking Company o 2561 61 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 48 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 43 29 24 AS Number for Telecom Algeria 16637 37 21 29 Johnnic e-Ventures 33776 36 2 2 Starcomms Nigeria Limited 12455 34 6 3 Jambonet Autonomous system 8524 32 2 8 AUCEGYPT Autonomous System 21280 27 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 1230 1159 Videsh Sanchar Nigam Ltd. Aut 11492 1083 1061 Cable One 4134 1289 1010 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1111 969 AT&T Worldnet Services 9498 1002 935 BHARTI BT INTERNET LTD. 4323 1276 910 Time Warner Telecom 9583 1100 705 Sify Limited 22773 721 677 Cox Communications, Inc. 17488 701 661 Hathway IP Over Cable Interne 8151 844 637 UniNet S.A. de C.V. 5668 612 592 CenturyTel Internet Holdings, 19262 776 574 Verizon Global Networks 7545 632 550 TPG Internet Pty Ltd 18101 558 523 Reliance Infocom Ltd Internet 7029 599 519 Alltel Information Services, 19916 568 517 OLM LLC 6197 1024 516 BellSouth Network Solutions, 15270 546 511 PaeTec.net -a division of Pae 855 573 502 Canadian Research Network List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65001 PRIVATE 82.213.31.0/24 12975 PALTEL Autonomous Sy 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 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 94.110.196.0/24 21161 Bechtle Autonomous System 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 /10:15 /11:35 /12:124 /13:245 /14:463 /15:889 /16:9457 /17:4013 /18:6444 /19:13611 /20:15718 /21:14184 /22:18453 /23:19509 /24:117366 /25:803 /26:980 /27:475 /28:67 /29:10 /30:13 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1101 1111 AT&T Worldnet Services 11492 1074 1083 Cable One 18566 992 1010 Covad Communications 9583 942 1100 Sify Limited 2386 840 1141 AT&T Data Communications Serv 7018 790 1473 AT&T WorldNet Services 6197 777 1024 BellSouth Network Solutions, 23577 763 777 Korea Telecom (ATM-MPLS) 7011 742 840 Citizens Utilities 9498 672 1002 BHARTI BT INTERNET LTD. 4755 631 1230 Videsh Sanchar Nigam Ltd. Aut 4766 593 787 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 523 1276 Time Warner Telecom 17488 523 701 Hathway IP Over Cable Interne 15270 513 546 PaeTec.net -a division of Pae 4668 498 508 LG-EDS Systems Inc. 5668 477 612 CenturyTel Internet Holdings, 18101 474 558 Reliance Infocom Ltd Internet 855 471 573 Canadian Research Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:81 9:1 12:1808 15:19 16:3 17:3 18:8 20:36 24:918 25:1 32:51 33:2 38:322 40:61 41:164 44:2 47:5 52:4 55:3 56:3 57:25 58:415 59:405 60:301 61:984 62:933 63:1968 64:3119 65:2356 66:3254 67:746 68:636 69:1879 70:429 71:112 72:1322 73:1 74:525 75:259 76:40 77:238 78:2 80:818 81:808 82:662 83:392 84:418 85:844 86:383 87:486 88:279 89:910 90:7 91:368 94:1 97:6 98:3 116:194 117:49 121:202 122:547 123:114 124:829 125:944 128:280 129:223 130:126 131:365 132:53 133:9 134:193 135:39 136:185 137:81 138:142 139:71 140:481 141:171 142:372 143:234 144:291 145:43 146:320 147:120 148:397 149:142 150:114 151:158 152:93 153:126 154:4 155:254 156:152 157:188 158:158 159:157 160:106 161:91 162:228 163:183 164:450 165:399 166:241 167:285 168:512 169:120 170:401 171:16 172:1 189:53 190:578 192:5767 193:3873 194:3150 195:2237 196:908 198:3753 199:3290 200:4850 201:1017 202:7371 203:7529 204:3963 205:2032 206:2338 207:2811 208:2641 209:3512 210:2457 211:956 212:1310 213:1481 214:413 215:40 216:4010 217:1145 218:358 219:384 220:976 221:409 222:261 End of report
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