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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 19 20:05:50 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 20 Oct, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/10/20/0400 Analysis Summary ---------------- BGP routing table entries examined: 234760 Prefixes after maximum aggregation: 121843 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 114579 Total ASes present in the Internet Routing Table: 26476 Prefixes per ASN: 8.87 Origin-only ASes present in the Internet Routing Table: 23047 Origin ASes announcing only one prefix: 11233 Transit ASes present in the Internet Routing Table: 3429 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: 20 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 21 Unregistered ASNs in the Routing Table: 6 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1796115328 Equivalent to 107 /8s, 14 /16s and 139 /24s Percentage of available address space announced: 48.5 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 77.3 Total number of prefixes smaller than registry allocations: 108718 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 54729 Total APNIC prefixes after maximum aggregation: 21025 APNIC Deaggregation factor: 2.60 Prefixes being announced from the APNIC address blocks: 51663 Unique aggregates announced from the APNIC address blocks: 22925 APNIC Region origin ASes present in the Internet Routing Table: 3043 APNIC Prefixes per ASN: 16.98 APNIC Region origin ASes announcing only one prefix: 800 APNIC Region transit ASes present in the Internet Routing Table: 460 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 321956288 Equivalent to 19 /8s, 48 /16s and 169 /24s Percentage of available APNIC address space announced: 79.8 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, 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: 110474 Total ARIN prefixes after maximum aggregation: 63577 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 81619 Unique aggregates announced from the ARIN address blocks: 32335 ARIN Region origin ASes present in the Internet Routing Table: 11906 ARIN Prefixes per ASN: 6.86 ARIN Region origin ASes announcing only one prefix: 4579 ARIN Region transit ASes present in the Internet Routing Table: 1102 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 347934592 Equivalent to 20 /8s, 189 /16s and 15 /24s Percentage of available ARIN address space announced: 76.8 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: 49505 Total RIPE prefixes after maximum aggregation: 31654 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 45954 Unique aggregates announced from the RIPE address blocks: 30301 RIPE Region origin ASes present in the Internet Routing Table: 10366 RIPE Prefixes per ASN: 4.43 RIPE Region origin ASes announcing only one prefix: 5506 RIPE Region transit ASes present in the Internet Routing Table: 1639 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 333599872 Equivalent to 19 /8s, 226 /16s and 84 /24s Percentage of available RIPE address space announced: 76.5 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: 17313 Total LACNIC prefixes after maximum aggregation: 4537 LACNIC Deaggregation factor: 3.82 Prefixes being announced from the LACNIC address blocks: 15340 Unique aggregates announced from the LACNIC address blocks: 8607 LACNIC Region origin ASes present in the Internet Routing Table: 871 LACNIC Prefixes per ASN: 17.61 LACNIC Region origin ASes announcing only one prefix: 282 LACNIC Region transit ASes present in the Internet Routing Table: 155 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 44467456 Equivalent to 2 /8s, 166 /16s and 133 /24s Percentage of available LACNIC address space announced: 44.2 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: 2710 Total AfriNIC prefixes after maximum aggregation: 1036 AfriNIC Deaggregation factor: 2.62 Prefixes being announced from the AfriNIC address blocks: 2305 Unique aggregates announced from the AfriNIC address blocks: 1382 AfriNIC Region origin ASes present in the Internet Routing Table: 210 AfriNIC Prefixes per ASN: 10.98 AfriNIC Region origin ASes announcing only one prefix: 66 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7623680 Equivalent to 0 /8s, 116 /16s and 84 /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 1470 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1120 81 420 Sify Limited 4134 1100 11540 300 CHINANET-BACKBONE 9498 1010 550 68 BHARTI BT INTERNET LTD. 17488 850 55 63 Hathway IP Over Cable Interne 4766 799 5440 314 Korea Telecom (KIX) 23577 791 34 684 Korea Telecom (ATM-MPLS) 7545 730 159 119 TPG Internet Pty Ltd 18101 606 119 52 Reliance Infocom Ltd Internet 4802 571 133 142 Wantree Development 1221 539 1950 419 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 523 858 76 China Telecom (Shanghai) 4668 518 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 493 792 119 CNCGROUP IP network: China169 9443 440 121 72 Primus Telecommunications 7474 381 218 267 SingTel Optus Pty Ltd 17974 363 130 13 PT TELEKOMUNIKASI INDONESIA 4837 359 5137 170 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1481 6148 995 AT&T WorldNet Services 4323 1365 1006 360 Time Warner Telecom 2386 1234 627 743 AT&T Data Communications Serv 11492 1155 116 16 Cable One 6478 1117 329 169 AT&T Worldnet Services 6197 1029 718 513 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 980 6786 843 Cogent Communications 7011 961 290 558 Citizens Utilities 701 881 6575 689 UUNET Technologies, Inc. 20115 837 765 447 Charter Communications 1239 802 2720 562 Sprint 22773 796 2133 54 Cox Communications, Inc. 19262 789 2847 180 Verizon Global Networks 209 745 3793 586 Qwest 3356 728 10858 388 Level 3 Communications, LLC 5668 661 176 17 CenturyTel Internet Holdings, 6517 588 165 36 Yipes Communications, Inc. 852 582 1101 359 Telus Advanced Communications 19916 569 49 47 OLM LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 471 1919 384 UUNET - Commercial IP service 24863 372 58 36 LINKdotNET AS number 9116 338 168 27 Goldenlines main autonomous s 3301 316 1441 293 TeliaNet Sweden 3320 315 6035 262 Deutsche Telekom AG 8551 296 284 38 Bezeq International 6746 275 128 252 Dynamic Network Technologies, 8708 271 421 243 Romania Data Systems S.A. 680 269 2045 257 DFN-IP service G-WiN 8866 265 62 24 Bulgarian Telecommunication C 3215 263 2488 99 France Telecom Transpac 8220 255 444 237 COLT Telecommunications 3352 232 1914 41 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 9121 212 1442 25 TTnet Autonomous System 3300 200 172 96 AUCS Communications Services 3292 195 1380 177 TDC Tele Danmark 1257 194 1194 176 SWIPnet Swedish IP Network 12479 194 578 6 Uni2 Autonomous System 3246 191 253 181 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1052 2196 212 UniNet S.A. de C.V. 11830 514 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 11172 380 114 60 Servicios Alestra S.A de C.V 14522 380 32 7 SatNet S.A. 7303 359 173 52 Telecom Argentina Stet-France 6471 347 75 36 ENTEL CHILE S.A. 22047 317 246 13 VTR PUNTO NET S.A. 14117 285 19 15 Telefonica del Sur S.A. 10481 261 104 9 Prima S.A. 10620 256 71 27 TVCABLE BOGOTA 11556 237 128 4 Cable-Wireless Panama 6147 231 178 24 Telefonica Del Peru 6503 210 170 82 AVANTEL, S.A. 23216 207 16 44 RAMtelecom Telecomunicaciones 7738 204 538 24 Telecomunicacoes da Bahia S.A 28573 194 306 22 NET Servicos de Comunicao S.A 8163 183 11 8 METROTEL REDES S.A. 21826 181 32 50 INTERCABLE 19169 180 12 20 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 869 225 The Internet Solution 8452 221 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 140 299 115 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 111 8 8 EEPAD TISP TELECOM & INTERNET 33776 100 6 3 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 77 84 4 Nile Online 2905 75 174 72 The Internetworking Company o 23889 73 24 15 MAURITIUS TELECOM 15706 55 12 4 Sudatel Internet Exchange Aut 33774 48 33 25 AS Number for Telecom Algeria 5713 46 294 36 Telkom SA Ltd 16637 42 21 29 Johnnic e-Ventures 12455 35 6 3 Jambonet Autonomous system 8524 32 2 10 AUCEGYPT Autonomous System 10798 26 16 1 Standard Bank of South Africa 29975 26 10 9 Vodacom 21280 25 4 4 Swift Global Kenya Ltd.Is an Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1470 1403 Videsh Sanchar Nigam Ltd. Aut 11492 1155 1139 Cable One 18566 1028 1019 Covad Communications 4323 1365 1005 Time Warner Telecom 6478 1117 948 AT&T Worldnet Services 9498 1010 942 BHARTI BT INTERNET LTD. 8151 1052 840 UniNet S.A. de C.V. 4134 1100 800 CHINANET-BACKBONE 17488 850 787 Hathway IP Over Cable Interne 22773 796 742 Cox Communications, Inc. 9583 1120 700 Sify Limited 5668 661 644 CenturyTel Internet Holdings, 7545 730 611 TPG Internet Pty Ltd 19262 789 609 Verizon Global Networks 18101 606 554 Reliance Infocom Ltd Internet 6517 588 552 Yipes Communications, Inc. 19916 569 522 OLM LLC 9829 530 521 BSNL National Internet Backbo 6197 1029 516 BellSouth Network Solutions, 4668 518 508 LG-EDS Systems Inc. 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 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 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 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 172.33.1.0/24 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 /10:16 /11:38 /12:135 /13:267 /14:477 /15:937 /16:9686 /17:4124 /18:6666 /19:14372 /20:16567 /21:15354 /22:19696 /23:20592 /24:123360 /25:780 /26:1021 /27:537 /28:94 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1146 1155 Cable One 6478 1116 1117 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 962 1120 Sify Limited 2386 924 1234 AT&T Data Communications Serv 7011 848 961 Citizens Utilities 4755 839 1470 Videsh Sanchar Nigam Ltd. Aut 7018 812 1481 AT&T WorldNet Services 23577 782 791 Korea Telecom (ATM-MPLS) 6197 773 1029 BellSouth Network Solutions, 9498 693 1010 BHARTI BT INTERNET LTD. 17488 673 850 Hathway IP Over Cable Interne 4766 597 799 Korea Telecom (KIX) 4323 580 1365 Time Warner Telecom 19916 564 569 OLM LLC 6517 543 588 Yipes Communications, Inc. 5668 521 661 CenturyTel Internet Holdings, 4668 508 518 LG-EDS Systems Inc. 18101 507 606 Reliance Infocom Ltd Internet 15270 486 521 PaeTec.net -a division of Pae Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:84 12:1793 15:19 16:3 17:5 18:13 20:36 24:979 25:1 32:60 33:3 38:355 40:64 41:335 44:2 47:8 52:3 55:3 56:3 57:23 58:469 59:416 60:379 61:987 62:929 63:1987 64:3276 65:2374 66:3556 67:829 68:674 69:2002 70:464 71:107 72:1410 73:6 74:719 75:261 76:147 77:394 78:250 80:854 81:789 82:570 83:349 84:612 85:831 86:342 87:583 88:290 89:1028 90:39 91:661 92:3 96:1 97:6 98:5 116:406 117:199 118:40 121:321 122:592 123:202 124:694 125:1034 128:275 129:195 130:136 131:365 132:55 133:9 134:193 135:34 136:188 137:82 138:157 139:74 140:500 141:150 142:370 143:253 144:318 145:46 146:335 147:130 148:485 149:187 150:113 151:137 152:89 153:121 154:11 155:261 156:161 157:221 158:160 159:197 160:136 161:98 162:179 163:183 164:495 165:397 166:290 167:307 168:498 169:125 170:399 171:22 172:2 189:86 190:1167 192:5721 193:3986 194:3217 195:2467 196:940 198:3800 199:3242 200:5219 201:1235 202:7309 203:7875 204:3953 205:2013 206:2422 207:2800 208:2895 209:3480 210:2438 211:1090 212:1324 213:1513 214:419 215:44 216:4099 217:1208 218:318 219:388 220:993 221:410 222:263 End of report
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