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 26 Jun, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 323205 Prefixes after maximum aggregation: 149101 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 158363 Total ASes present in the Internet Routing Table: 34231 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 29720 Origin ASes announcing only one prefix: 14411 Transit ASes present in the Internet Routing Table: 4511 Transit-only ASes present in the Internet Routing Table: 108 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 295 Unregistered ASNs in the Routing Table: 112 Number of 32-bit ASNs allocated by the RIRs: 642 Prefixes from 32-bit ASNs in the Routing Table: 757 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 159 Number of addresses announced to Internet: 2251743840 Equivalent to 134 /8s, 54 /16s and 226 /24s Percentage of available address space announced: 60.8 Percentage of allocated address space announced: 65.5 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 83.4 Total number of prefixes smaller than registry allocations: 154204 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 78033 Total APNIC prefixes after maximum aggregation: 26885 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 74858 Unique aggregates announced from the APNIC address blocks: 33140 APNIC Region origin ASes present in the Internet Routing Table: 4081 APNIC Prefixes per ASN: 18.34 APNIC Region origin ASes announcing only one prefix: 1117 APNIC Region transit ASes present in the Internet Routing Table: 639 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 525628704 Equivalent to 31 /8s, 84 /16s and 117 /24s Percentage of available APNIC address space announced: 78.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 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, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 133710 Total ARIN prefixes after maximum aggregation: 69226 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 106681 Unique aggregates announced from the ARIN address blocks: 41819 ARIN Region origin ASes present in the Internet Routing Table: 13744 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5271 ARIN Region transit ASes present in the Internet Routing Table: 1349 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 729671968 Equivalent to 43 /8s, 125 /16s and 233 /24s Percentage of available ARIN address space announced: 62.1 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, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 74437 Total RIPE prefixes after maximum aggregation: 43213 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 67581 Unique aggregates announced from the RIPE address blocks: 44362 RIPE Region origin ASes present in the Internet Routing Table: 14549 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 7512 RIPE Region transit ASes present in the Internet Routing Table: 2159 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 432412960 Equivalent to 25 /8s, 198 /16s and 25 /24s Percentage of available RIPE address space announced: 75.8 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 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, 176/8, 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: 28719 Total LACNIC prefixes after maximum aggregation: 6891 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 27171 Unique aggregates announced from the LACNIC address blocks: 14182 LACNIC Region origin ASes present in the Internet Routing Table: 1304 LACNIC Prefixes per ASN: 20.84 LACNIC Region origin ASes announcing only one prefix: 400 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 75105792 Equivalent to 4 /8s, 122 /16s and 6 /24s Percentage of available LACNIC address space announced: 56.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7302 Total AfriNIC prefixes after maximum aggregation: 1850 AfriNIC Deaggregation factor: 3.95 Prefixes being announced from the AfriNIC address blocks: 5623 Unique aggregates announced from the AfriNIC address blocks: 1730 AfriNIC Region origin ASes present in the Internet Routing Table: 374 AfriNIC Prefixes per ASN: 15.03 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 84 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19523328 Equivalent to 1 /8s, 41 /16s and 231 /24s Percentage of available AfriNIC address space announced: 58.2 AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1847 8407 482 Korea Telecom (KIX) 7545 1335 232 107 TPG Internet Pty Ltd 17488 1319 140 127 Hathway IP Over Cable Interne 4755 1314 295 154 TATA Communications formerly 17974 1141 283 23 PT TELEKOMUNIKASI INDONESIA 9583 997 74 491 Sify Limited 24560 923 306 170 Bharti Airtel Ltd., Telemedia 4134 876 21292 408 CHINANET-BACKBONE 4808 829 1572 215 CNCGROUP IP network: China169 9829 794 681 34 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 3910 3733 288 bellsouth.net, inc. 4323 2711 1114 395 Time Warner Telecom 1785 1795 698 129 PaeTec Communications, Inc. 20115 1559 1520 653 Charter Communications 7018 1506 5736 957 AT&T WorldNet Services 2386 1285 568 908 AT&T Data Communications Serv 6478 1283 260 110 AT&T Worldnet Services 3356 1180 10889 405 Level 3 Communications, LLC 22773 1166 2861 66 Cox Communications, Inc. 11492 1154 207 71 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 35805 644 56 6 United Telecom of Georgia 3292 453 2027 393 TDC Tele Danmark 30890 444 111 206 Evolva Telecom 9198 411 202 13 Kazakhtelecom Data Network Ad 702 410 1869 326 UUNET - Commercial IP service 8551 400 353 46 Bezeq International 8866 400 117 18 Bulgarian Telecommunication C 3320 372 7329 323 Deutsche Telekom AG 3301 371 1414 326 TeliaNet Sweden 34984 360 89 185 BILISIM TELEKOM 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 1462 3017 250 UniNet S.A. de C.V. 10620 1057 237 152 TVCABLE BOGOTA 28573 1003 784 97 NET Servicos de Comunicao S.A 7303 745 385 114 Telecom Argentina Stet-France 6503 677 175 216 AVANTEL, S.A. 22047 547 310 15 VTR PUNTO NET S.A. 3816 492 214 78 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 14420 468 32 69 ANDINATEL S.A. 11172 450 99 76 Servicios Alestra S.A de C.V 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 1162 445 10 TEDATA 24863 726 147 39 LINKdotNET AS number 36992 641 279 187 Etisalat MISR 3741 269 852 230 The Internet Solution 33776 219 12 11 Starcomms Nigeria Limited 2018 211 244 61 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 24835 189 78 10 RAYA Telecom - Egypt 29571 175 17 10 Ci Telecom Autonomous system 29975 133 506 14 Vodacom 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 3910 3733 288 bellsouth.net, inc. 4323 2711 1114 395 Time Warner Telecom 4766 1847 8407 482 Korea Telecom (KIX) 1785 1795 698 129 PaeTec Communications, Inc. 20115 1559 1520 653 Charter Communications 7018 1506 5736 957 AT&T WorldNet Services 8151 1462 3017 250 UniNet S.A. de C.V. 7545 1335 232 107 TPG Internet Pty Ltd 17488 1319 140 127 Hathway IP Over Cable Interne 4755 1314 295 154 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2711 2316 Time Warner Telecom 1785 1795 1666 PaeTec Communications, Inc. 4766 1847 1365 Korea Telecom (KIX) 7545 1335 1228 TPG Internet Pty Ltd 8151 1462 1212 UniNet S.A. de C.V. 17488 1319 1192 Hathway IP Over Cable Interne 6478 1283 1173 AT&T Worldnet Services 4755 1314 1160 TATA Communications formerly 8452 1162 1152 TEDATA 17974 1141 1118 PT TELEKOMUNIKASI INDONESIA 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 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 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 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 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 /8:20 /9:10 /10:25 /11:68 /12:196 /13:406 /14:707 /15:1283 /16:11140 /17:5339 /18:9140 /19:18372 /20:22877 /21:22846 /22:29912 /23:29457 /24:168471 /25:971 /26:1252 /27:619 /28:31 /29:47 /30:9 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2505 3910 bellsouth.net, inc. 4766 1482 1847 Korea Telecom (KIX) 4323 1396 2711 Time Warner Telecom 1785 1258 1795 PaeTec Communications, Inc. 11492 1066 1154 Cable One 17488 1066 1319 Hathway IP Over Cable Interne 8452 1050 1162 TEDATA 18566 1040 1059 Covad Communications 10620 973 1057 TVCABLE BOGOTA 7018 911 1506 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 2:2 4:13 8:288 12:2003 13:7 14:1 15:23 16:3 17:8 20:21 24:1434 27:121 31:1 32:49 33:12 38:679 40:98 41:2448 44:3 47:18 52:9 55:7 56:2 57:25 58:751 59:502 60:458 61:1074 62:1058 63:1976 64:3653 65:2356 66:4066 67:1822 68:1110 69:2878 70:694 71:237 72:1843 73:2 74:2105 75:250 76:308 77:930 78:615 79:421 80:972 81:793 82:490 83:436 84:703 85:1051 86:458 87:674 88:342 89:1566 90:93 91:2836 92:486 93:1067 94:1416 95:624 96:287 97:205 98:579 99:28 108:32 109:548 110:352 111:523 112:270 113:310 114:423 115:547 116:1069 117:660 118:482 119:938 120:143 121:739 122:1449 123:933 124:1116 125:1317 128:226 129:212 130:195 131:555 132:250 133:17 134:194 135:45 136:243 137:160 138:264 139:104 140:509 141:138 142:348 143:392 144:473 145:47 146:443 147:166 148:662 149:300 150:150 151:166 152:296 153:168 154:2 155:328 156:157 157:320 158:109 159:377 160:317 161:181 162:254 163:176 164:408 165:359 166:461 167:404 168:651 169:160 170:712 171:58 172:2 173:853 174:436 175:98 176:1 178:224 180:501 182:135 183:220 184:69 186:476 187:350 188:1087 189:782 190:3751 192:5746 193:4702 194:3364 195:2781 196:1169 198:3568 199:3449 200:5319 201:1556 202:7982 203:8250 204:4077 205:2319 206:2517 207:3103 208:3861 209:3449 210:2512 211:1261 212:1703 213:1680 214:657 215:69 216:4658 217:1516 218:491 219:378 220:1136 221:398 222:314 223:1 End of report