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@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 28 Mar, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 283794 Prefixes after maximum aggregation: 134532 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 139535 Total ASes present in the Internet Routing Table: 30912 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 26905 Origin ASes announcing only one prefix: 13087 Transit ASes present in the Internet Routing Table: 4007 Transit-only ASes present in the Internet Routing Table: 99 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (18678) 21 Prefixes from unregistered ASNs in the Routing Table: 493 Unregistered ASNs in the Routing Table: 165 Number of 32-bit ASNs allocated by the RIRs: 138 Prefixes from 32-bit ASNs in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 251 Number of addresses announced to Internet: 2022627808 Equivalent to 120 /8s, 142 /16s and 217 /24s Percentage of available address space announced: 54.6 Percentage of allocated address space announced: 63.8 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 76.1 Total number of prefixes smaller than registry allocations: 139620 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 65682 Total APNIC prefixes after maximum aggregation: 23471 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 62432 Unique aggregates announced from the APNIC address blocks: 28564 APNIC Region origin ASes present in the Internet Routing Table: 3585 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 974 APNIC Region transit ASes present in the Internet Routing Table: 547 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 409336608 Equivalent to 24 /8s, 101 /16s and 251 /24s Percentage of available APNIC address space announced: 81.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 124316 Total ARIN prefixes after maximum aggregation: 65644 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 93687 Unique aggregates announced from the ARIN address blocks: 36273 ARIN Region origin ASes present in the Internet Routing Table: 12867 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 4937 ARIN Region transit ASes present in the Internet Routing Table: 1239 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 420340480 Equivalent to 25 /8s, 13 /16s and 227 /24s Percentage of available ARIN address space announced: 80.8 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, 46080-47103 ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 65001 Total RIPE prefixes after maximum aggregation: 37810 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 59598 Unique aggregates announced from the RIPE address blocks: 39657 RIPE Region origin ASes present in the Internet Routing Table: 12845 RIPE Prefixes per ASN: 4.64 RIPE Region origin ASes announcing only one prefix: 6749 RIPE Region transit ASes present in the Internet Routing Table: 1937 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 392009120 Equivalent to 23 /8s, 93 /16s and 149 /24s Percentage of available RIPE address space announced: 83.4 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, 47104-52223 RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 23524 Total LACNIC prefixes after maximum aggregation: 5849 LACNIC Deaggregation factor: 4.02 Prefixes being announced from the LACNIC address blocks: 21683 Unique aggregates announced from the LACNIC address blocks: 11890 LACNIC Region origin ASes present in the Internet Routing Table: 1082 LACNIC Prefixes per ASN: 20.04 LACNIC Region origin ASes announcing only one prefix: 342 LACNIC Region transit ASes present in the Internet Routing Table: 179 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 61816320 Equivalent to 3 /8s, 175 /16s and 62 /24s Percentage of available LACNIC address space announced: 61.4 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4816 Total AfriNIC prefixes after maximum aggregation: 1387 AfriNIC Deaggregation factor: 3.47 Prefixes being announced from the AfriNIC address blocks: 4519 Unique aggregates announced from the AfriNIC address blocks: 1351 AfriNIC Region origin ASes present in the Internet Routing Table: 284 AfriNIC Prefixes per ASN: 15.91 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 10140928 Equivalent to 0 /8s, 154 /16s and 189 /24s Percentage of available AfriNIC address space announced: 30.2 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1693 6929 393 Korea Telecom (KIX) 17488 1532 121 96 Hathway IP Over Cable Interne 4755 1177 405 182 TATA Communications formerly 9583 1086 86 537 Sify Limited 4134 927 16390 367 CHINANET-BACKBONE 7545 774 163 105 TPG Internet Pty Ltd 18101 760 206 34 Reliance Infocom Ltd Internet 9498 688 296 50 BHARTI BT INTERNET LTD. 24560 678 228 175 Bharti Airtel Ltd. 9829 638 491 20 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4324 3672 329 bellsouth.net, inc. 209 2653 4151 622 Qwest 4323 1808 1049 372 Time Warner Telecom 1785 1737 717 139 PaeTec Communications, Inc. 20115 1594 1430 725 Charter Communications 7018 1447 5896 1020 AT&T WorldNet Services 6478 1295 295 527 AT&T Worldnet Services 2386 1255 680 899 AT&T Data Communications Serv 3356 1198 10978 452 Level 3 Communications, LLC 11492 1193 192 11 Cable One Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8452 1247 188 7 TEDATA 3292 453 1763 393 TDC Tele Danmark 30890 436 86 194 SC Kappa Invexim SRL 12479 405 578 6 Uni2 Autonomous System 3301 342 1685 307 TeliaNet Sweden 3215 339 3017 108 France Telecom Transpac 3320 337 7074 294 Deutsche Telekom AG 8866 337 109 22 Bulgarian Telecommunication C 29049 324 26 3 AzerSat LLC. 8551 313 288 40 Bezeq International Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1441 2831 235 UniNet S.A. de C.V. 10620 839 191 98 TVCABLE BOGOTA 22047 607 302 14 VTR PUNTO NET S.A. 7303 520 260 80 Telecom Argentina Stet-France 11830 520 294 42 Instituto Costarricense de El 16814 491 31 10 NSS, S.A. 6471 442 95 32 ENTEL CHILE S.A. 11172 410 102 72 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 28573 386 518 25 NET Servicos de Comunicao S.A Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 831 74 30 LINKdotNET AS number 20858 292 34 3 This AS will be used to conne 3741 272 858 232 The Internet Solution 2018 242 215 142 Tertiary Education Network 6713 159 150 15 Itissalat Al-MAGHRIB 33783 148 10 8 EEPAD TISP TELECOM & INTERNET 29571 137 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 115 507 65 Telkom SA Ltd 33776 109 6 3 Starcomms Nigeria Limited Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4324 3672 329 bellsouth.net, inc. 209 2653 4151 622 Qwest 4323 1808 1049 372 Time Warner Telecom 1785 1737 717 139 PaeTec Communications, Inc. 4766 1693 6929 393 Korea Telecom (KIX) 20115 1594 1430 725 Charter Communications 17488 1532 121 96 Hathway IP Over Cable Interne 7018 1447 5896 1020 AT&T WorldNet Services 8151 1441 2831 235 UniNet S.A. de C.V. 6478 1295 295 527 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2653 2031 Qwest 1785 1737 1598 PaeTec Communications, Inc. 4323 1808 1436 Time Warner Telecom 17488 1532 1436 Hathway IP Over Cable Interne 4766 1693 1300 Korea Telecom (KIX) 8452 1247 1240 TEDATA 8151 1441 1206 UniNet S.A. de C.V. 11492 1193 1182 Cable One 18566 1061 1051 Covad Communications 4755 1177 995 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:20 /11:56 /12:163 /13:321 /14:586 /15:1143 /16:10388 /17:4640 /18:7977 /19:17040 /20:20218 /21:19919 /22:25356 /23:25314 /24:148648 /25:646 /26:799 /27:363 /28:115 /29:37 /30:9 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2809 4324 bellsouth.net, inc. 4766 1398 1693 Korea Telecom (KIX) 209 1358 2653 Qwest 17488 1301 1532 Hathway IP Over Cable Interne 8452 1226 1247 TEDATA 11492 1149 1193 Cable One 1785 1145 1737 PaeTec Communications, Inc. 18566 1042 1061 Covad Communications 2386 957 1255 AT&T Data Communications Serv 4323 942 1808 Time Warner Telecom Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:172 12:2198 13:3 15:19 16:3 17:4 20:35 24:1122 32:51 38:550 40:97 41:2002 43:1 44:2 47:21 52:3 55:2 56:3 57:25 58:530 59:618 60:461 61:1104 62:1122 63:2023 64:3604 65:2430 66:3595 67:1506 68:688 69:2537 70:512 71:164 72:1651 73:2 74:1462 75:206 76:309 77:835 78:540 79:306 80:955 81:821 82:533 83:407 84:598 85:1009 86:396 87:623 88:351 89:1490 90:44 91:2089 92:331 93:1127 94:1209 95:825 96:106 97:184 98:243 99:17 109:1 110:32 112:91 113:89 114:223 115:235 116:1127 117:476 118:285 119:658 120:142 121:712 122:981 123:552 124:960 125:1302 128:221 129:226 130:129 131:415 132:74 133:9 134:186 135:39 136:241 137:153 138:147 139:77 140:419 141:104 142:391 143:331 144:323 145:43 146:376 147:150 148:513 149:239 150:147 151:200 152:151 153:136 154:11 155:266 156:167 157:297 158:133 159:273 160:281 161:133 162:271 163:148 164:478 165:533 166:276 167:361 168:682 169:162 170:475 171:38 172:10 173:249 174:153 178:1 186:7 187:69 188:9 189:304 190:2704 192:5808 193:4219 194:3330 195:2677 196:1069 198:3729 199:3317 200:5503 201:1361 202:7861 203:8069 204:3795 205:2158 206:2389 207:2797 208:3896 209:3450 210:2632 211:1107 212:1503 213:1693 214:70 215:25 216:4542 217:1268 218:360 219:416 220:1208 221:449 222:261 End of report
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