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 27 Jun, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 289314 Prefixes after maximum aggregation: 137532 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 143144 Total ASes present in the Internet Routing Table: 31577 Prefixes per ASN: 9.16 Origin-only ASes present in the Internet Routing Table: 27449 Origin ASes announcing only one prefix: 13372 Transit ASes present in the Internet Routing Table: 4128 Transit-only ASes present in the Internet Routing Table: 92 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 465 Unregistered ASNs in the Routing Table: 130 Number of 32-bit ASNs allocated by the RIRs: 183 Prefixes from 32-bit ASNs in the Routing Table: 61 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 845 Number of addresses announced to Internet: 2060355024 Equivalent to 122 /8s, 206 /16s and 133 /24s Percentage of available address space announced: 55.6 Percentage of allocated address space announced: 64.3 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 77.5 Total number of prefixes smaller than registry allocations: 143081 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 69089 Total APNIC prefixes after maximum aggregation: 24566 APNIC Deaggregation factor: 2.81 Prefixes being announced from the APNIC address blocks: 68502 Unique aggregates announced from the APNIC address blocks: 30738 APNIC Region origin ASes present in the Internet Routing Table: 3683 APNIC Prefixes per ASN: 18.60 APNIC Region origin ASes announcing only one prefix: 1003 APNIC Region transit ASes present in the Internet Routing Table: 563 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 460662416 Equivalent to 27 /8s, 117 /16s and 38 /24s Percentage of available APNIC address space announced: 85.8 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, 180/8, 183/8, 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: 123464 Total ARIN prefixes after maximum aggregation: 66016 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 124206 Unique aggregates announced from the ARIN address blocks: 51842 ARIN Region origin ASes present in the Internet Routing Table: 13056 ARIN Prefixes per ASN: 9.51 ARIN Region origin ASes announcing only one prefix: 5016 ARIN Region transit ASes present in the Internet Routing Table: 1286 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1009889856 Equivalent to 60 /8s, 49 /16s and 178 /24s Percentage of available ARIN address space announced: 194.2 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, 46080-47103 53248-55295 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: 66136 Total RIPE prefixes after maximum aggregation: 39167 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 65269 Unique aggregates announced from the RIPE address blocks: 43954 RIPE Region origin ASes present in the Internet Routing Table: 13209 RIPE Prefixes per ASN: 4.94 RIPE Region origin ASes announcing only one prefix: 6900 RIPE Region transit ASes present in the Internet Routing Table: 1980 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 483628352 Equivalent to 28 /8s, 211 /16s and 149 /24s Percentage of available RIPE address space announced: 103.0 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: 24127 Total LACNIC prefixes after maximum aggregation: 5978 LACNIC Deaggregation factor: 4.04 Prefixes being announced from the LACNIC address blocks: 23993 Unique aggregates announced from the LACNIC address blocks: 13443 LACNIC Region origin ASes present in the Internet Routing Table: 1127 LACNIC Prefixes per ASN: 21.29 LACNIC Region origin ASes announcing only one prefix: 362 LACNIC Region transit ASes present in the Internet Routing Table: 189 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 71744256 Equivalent to 4 /8s, 70 /16s and 187 /24s Percentage of available LACNIC address space announced: 71.3 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: 6091 Total AfriNIC prefixes after maximum aggregation: 1486 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 6485 Unique aggregates announced from the AfriNIC address blocks: 2509 AfriNIC Region origin ASes present in the Internet Routing Table: 300 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 64 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 20142592 Equivalent to 1 /8s, 51 /16s and 90 /24s Percentage of available AfriNIC address space announced: 60.0 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 1706 6930 403 Korea Telecom (KIX) 17488 1536 138 95 Hathway IP Over Cable Interne 4755 1216 327 138 TATA Communications formerly 9583 1116 89 557 Sify Limited 4134 949 17104 377 CHINANET-BACKBONE 7545 807 198 101 TPG Internet Pty Ltd 23577 783 34 666 Korea Telecom (ATM-MPLS) 18101 752 201 33 Reliance Infocom Ltd Internet 24560 721 230 172 Bharti Airtel Ltd. 9829 714 603 18 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 4272 3647 324 bellsouth.net, inc. 4323 1877 1039 380 Time Warner Telecom 1785 1697 714 138 PaeTec Communications, Inc. 7018 1503 5925 1042 AT&T WorldNet Services 20115 1404 1470 672 Charter Communications 6478 1394 307 432 AT&T Worldnet Services 2386 1265 670 919 AT&T Data Communications Serv 3356 1202 10964 449 Level 3 Communications, LLC 11492 1117 208 12 Cable One 22773 1064 2604 66 Cox Communications, Inc. 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 3292 456 1902 393 TDC Tele Danmark 12479 450 578 6 Uni2 Autonomous System 702 428 1861 345 UUNET - Commercial IP service 30890 418 88 198 Evolva Telecom 35805 353 40 5 United Telecom of Georgia 8866 351 109 21 Bulgarian Telecommunication C 3301 347 1668 309 TeliaNet Sweden 3215 341 3041 106 France Telecom Transpac 3320 340 7067 298 Deutsche Telekom AG 29049 317 26 3 AzerSat LLC. 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 1459 2879 233 UniNet S.A. de C.V. 10620 918 210 113 TVCABLE BOGOTA 22047 599 302 14 VTR PUNTO NET S.A. 28573 581 570 31 NET Servicos de Comunicao S.A 7303 566 299 86 Telecom Argentina Stet-France 11830 486 293 63 Instituto Costarricense de El 11172 441 102 70 Servicios Alestra S.A de C.V 6471 439 96 31 ENTEL CHILE S.A. 7738 404 794 28 Telecomunicacoes da Bahia S.A 3816 371 189 83 Empresa Nacional de Telecomun 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 8452 940 188 7 TEDATA 24863 892 85 42 LINKdotNET AS number 20858 324 34 5 EgyNet 3741 276 856 236 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 175 166 16 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 139 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd 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 4272 3647 324 bellsouth.net, inc. 4323 1877 1039 380 Time Warner Telecom 4766 1706 6930 403 Korea Telecom (KIX) 1785 1697 714 138 PaeTec Communications, Inc. 17488 1536 138 95 Hathway IP Over Cable Interne 7018 1503 5925 1042 AT&T WorldNet Services 8151 1459 2879 233 UniNet S.A. de C.V. 20115 1404 1470 672 Charter Communications 6478 1394 307 432 AT&T Worldnet Services 2386 1265 670 919 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 1785 1697 1559 PaeTec Communications, Inc. 4323 1877 1497 Time Warner Telecom 17488 1536 1441 Hathway IP Over Cable Interne 4766 1706 1303 Korea Telecom (KIX) 8151 1459 1226 UniNet S.A. de C.V. 11492 1117 1105 Cable One 4755 1216 1078 TATA Communications formerly 18566 1062 1052 Covad Communications 22773 1064 998 Cox Communications, Inc. 6478 1394 962 AT&T Worldnet Services 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 41.223.112.0/22 5713 Telkom SA Ltd 41.223.176.0/22 36981 >>UNKNOWN<< 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 63.143.251.0/24 22555 Universal Talkware Corporatio 64.31.32.0/19 11955 ServiceCo LLC - Road Runner 64.31.59.0/24 7017 ServiceCo LLC - Road Runner 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 /10:22 /11:58 /12:168 /13:351 /14:606 /15:1159 /16:10512 /17:4751 /18:8177 /19:16879 /20:20304 /21:20131 /22:26072 /23:25781 /24:151676 /25:881 /26:1031 /27:557 /28:147 /29:8 /30:6 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2782 4272 bellsouth.net, inc. 4766 1399 1706 Korea Telecom (KIX) 17488 1282 1536 Hathway IP Over Cable Interne 1785 1173 1697 PaeTec Communications, Inc. 11492 1044 1117 Cable One 18566 1043 1062 Covad Communications 2386 983 1265 AT&T Data Communications Serv 9583 968 1116 Sify Limited 4323 959 1877 Time Warner Telecom 7018 871 1503 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:204 12:2240 13:10 15:19 16:3 17:4 20:36 24:1050 32:52 34:2 38:574 40:96 41:1710 43:1 44:2 47:15 52:4 55:2 56:3 57:24 58:574 59:643 60:459 61:1080 62:1115 63:2015 64:3727 65:2384 66:3605 67:1638 68:805 69:2662 70:554 71:145 72:1667 73:2 74:1593 75:167 76:326 77:847 78:555 79:357 80:973 81:841 82:562 83:436 84:637 85:1040 86:397 87:661 88:354 89:1437 90:57 91:2362 92:349 93:1128 94:1232 95:1071 96:143 97:216 98:249 99:23 110:162 111:41 112:137 113:126 114:261 115:304 116:1156 117:534 118:301 119:709 120:142 121:759 122:1036 123:699 124:975 125:1342 128:223 129:237 130:127 131:412 132:74 133:9 134:185 135:38 136:224 137:162 138:164 139:80 140:443 141:120 142:380 143:346 144:364 145:48 146:381 147:155 148:519 149:238 150:177 151:193 152:145 153:145 154:2 155:276 156:171 157:301 158:116 159:343 160:284 161:153 162:273 163:161 164:482 165:500 166:456 167:359 168:665 169:168 170:476 171:39 172:10 173:303 174:227 178:1 180:1 183:1 186:96 187:96 188:106 189:434 190:2810 192:5785 193:4243 194:3308 195:2701 196:1099 198:3599 199:3341 200:5102 201:1286 202:7912 203:8236 204:3874 205:2161 206:2438 207:2726 208:3890 209:3404 210:2677 211:1128 212:1567 213:1660 214:80 215:30 216:4551 217:1309 218:394 219:430 220:1223 221:483 222:304 End of report