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 08 May, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 320551 Prefixes after maximum aggregation: 147789 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 155617 Total ASes present in the Internet Routing Table: 33946 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 29466 Origin ASes announcing only one prefix: 14348 Transit ASes present in the Internet Routing Table: 4480 Transit-only ASes present in the Internet Routing Table: 104 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 28 Max AS path prepend of ASN (28009) 24 Prefixes from unregistered ASNs in the Routing Table: 335 Unregistered ASNs in the Routing Table: 119 Number of 32-bit ASNs allocated by the RIRs: 560 Prefixes from 32-bit ASNs in the Routing Table: 627 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 191 Number of addresses announced to Internet: 2206289024 Equivalent to 131 /8s, 129 /16s and 76 /24s Percentage of available address space announced: 59.5 Percentage of allocated address space announced: 65.5 Percentage of available address space allocated: 90.9 Percentage of address space in use by end-sites: 82.7 Total number of prefixes smaller than registry allocations: 153719 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76663 Total APNIC prefixes after maximum aggregation: 26693 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 73330 Unique aggregates announced from the APNIC address blocks: 32173 APNIC Region origin ASes present in the Internet Routing Table: 4023 APNIC Prefixes per ASN: 18.23 APNIC Region origin ASes announcing only one prefix: 1099 APNIC Region transit ASes present in the Internet Routing Table: 624 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 512199488 Equivalent to 30 /8s, 135 /16s and 139 /24s Percentage of available APNIC address space announced: 76.3 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: 133881 Total ARIN prefixes after maximum aggregation: 68854 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 106747 Unique aggregates announced from the ARIN address blocks: 40648 ARIN Region origin ASes present in the Internet Routing Table: 13674 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5269 ARIN Region transit ASes present in the Internet Routing Table: 1356 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 726628384 Equivalent to 43 /8s, 79 /16s and 120 /24s Percentage of available ARIN address space announced: 61.9 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: 73657 Total RIPE prefixes after maximum aggregation: 42784 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 66596 Unique aggregates announced from the RIPE address blocks: 43811 RIPE Region origin ASes present in the Internet Routing Table: 14438 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7467 RIPE Region transit ASes present in the Internet Routing Table: 2160 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 425267232 Equivalent to 25 /8s, 89 /16s and 16 /24s Percentage of available RIPE address space announced: 79.2 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, 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, 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: 28582 Total LACNIC prefixes after maximum aggregation: 6782 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 27004 Unique aggregates announced from the LACNIC address blocks: 13936 LACNIC Region origin ASes present in the Internet Routing Table: 1274 LACNIC Prefixes per ASN: 21.20 LACNIC Region origin ASes announcing only one prefix: 407 LACNIC Region transit ASes present in the Internet Routing Table: 219 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 72850944 Equivalent to 4 /8s, 87 /16s and 158 /24s Percentage of available LACNIC address space announced: 72.4 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 6925 Total AfriNIC prefixes after maximum aggregation: 1807 AfriNIC Deaggregation factor: 3.83 Prefixes being announced from the AfriNIC address blocks: 5246 Unique aggregates announced from the AfriNIC address blocks: 1647 AfriNIC Region origin ASes present in the Internet Routing Table: 359 AfriNIC Prefixes per ASN: 14.61 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 80 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 16793344 Equivalent to 1 /8s, 0 /16s and 63 /24s Percentage of available AfriNIC address space announced: 50.0 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 8406 480 Korea Telecom (KIX) 17488 1314 140 123 Hathway IP Over Cable Interne 4755 1290 291 148 TATA Communications formerly 7545 1185 232 104 TPG Internet Pty Ltd 17974 1034 281 18 PT TELEKOMUNIKASI INDONESIA 9583 993 73 489 Sify Limited 4134 950 20455 399 CHINANET-BACKBONE 24560 891 304 166 Bharti Airtel Ltd., Telemedia 4808 844 1589 215 CNCGROUP IP network: China169 9829 794 679 41 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 3931 3733 288 bellsouth.net, inc. 4323 3834 1116 406 Time Warner Telecom 1785 1784 699 131 PaeTec Communications, Inc. 7018 1551 5757 984 AT&T WorldNet Services 20115 1536 1505 655 Charter Communications 2386 1305 585 925 AT&T Data Communications Serv 6478 1219 250 152 AT&T Worldnet Services 3356 1207 10920 420 Level 3 Communications, LLC 22773 1153 2606 72 Cox Communications, Inc. 11492 1148 222 14 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 617 56 6 United Telecom of Georgia 3292 452 2027 393 TDC Tele Danmark 30890 438 100 205 Evolva Telecom 702 413 1869 329 UUNET - Commercial IP service 8551 403 356 37 Bezeq International 8866 395 117 18 Bulgarian Telecommunication C 3301 365 1413 321 TeliaNet Sweden 3320 365 7072 318 Deutsche Telekom AG 3215 346 3218 102 France Telecom Transpac 12479 330 576 5 Uni2 Autonomous System 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 1550 2965 245 UniNet S.A. de C.V. 10620 1031 230 148 TVCABLE BOGOTA 28573 889 727 89 NET Servicos de Comunicao S.A 7303 724 375 101 Telecom Argentina Stet-France 6503 562 172 211 AVANTEL, S.A. 22047 547 310 15 VTR PUNTO NET S.A. 18881 544 268 11 Global Village Telecom 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 460 195 70 Empresa Nacional de Telecomun 14117 447 30 13 Telefonica del Sur 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 8452 920 189 9 TEDATA 24863 712 147 42 LINKdotNET AS number 36992 626 273 172 Etisalat MISR 3741 273 852 232 The Internet Solution 33776 216 11 14 Starcomms Nigeria Limited 2018 215 230 111 Tertiary Education Network 24835 183 78 10 RAYA Telecom - Egypt 6713 176 167 12 Itissalat Al-MAGHRIB 29571 172 19 9 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 3931 3733 288 bellsouth.net, inc. 4323 3834 1116 406 Time Warner Telecom 4766 1847 8406 480 Korea Telecom (KIX) 1785 1784 699 131 PaeTec Communications, Inc. 7018 1551 5757 984 AT&T WorldNet Services 8151 1550 2965 245 UniNet S.A. de C.V. 20115 1536 1505 655 Charter Communications 17488 1314 140 123 Hathway IP Over Cable Interne 2386 1305 585 925 AT&T Data Communications Serv 4755 1290 291 148 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 3834 3428 Time Warner Telecom 1785 1784 1653 PaeTec Communications, Inc. 4766 1847 1367 Korea Telecom (KIX) 8151 1550 1305 UniNet S.A. de C.V. 17488 1314 1191 Hathway IP Over Cable Interne 4755 1290 1142 TATA Communications formerly 11492 1148 1134 Cable One 7545 1185 1081 TPG Internet Pty Ltd 22773 1153 1081 Cox Communications, Inc. 6478 1219 1067 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 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 1239 Sprint 26973 UNALLOCATED 12.39.155.0/24 1239 Sprint 26973 UNALLOCATED 12.39.159.0/24 1239 Sprint 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 41.202.96.0/19 29571 Ci Telecom Autonomous system 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 26452 Local Communications Networks 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 41.223.199.0/24 36990 Alkan Telecom Ltd 46.0.0.0/16 12654 RIPE NCC RIS Project 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 /10:25 /11:67 /12:191 /13:398 /14:688 /15:1265 /16:11053 /17:5274 /18:8964 /19:18279 /20:22518 /21:22662 /22:29424 /23:29006 /24:167759 /25:955 /26:1199 /27:630 /28:141 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2516 3931 bellsouth.net, inc. 4323 2333 3834 Time Warner Telecom 4766 1481 1847 Korea Telecom (KIX) 1785 1245 1784 PaeTec Communications, Inc. 17488 1063 1314 Hathway IP Over Cable Interne 11492 1056 1148 Cable One 18566 1040 1059 Covad Communications 10620 947 1031 TVCABLE BOGOTA 7018 930 1551 AT&T WorldNet Services 9583 845 993 Sify Limited Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:263 12:2006 13:10 15:23 16:3 17:8 20:21 24:1417 27:56 32:47 33:12 38:665 40:97 41:2159 44:3 46:1 47:25 52:6 55:6 56:2 57:24 58:722 59:517 60:431 61:1085 62:1043 63:1979 64:3839 65:2368 66:4179 67:1824 68:1089 69:2817 70:710 71:240 72:1832 73:2 74:2274 75:249 76:308 77:856 78:628 79:391 80:993 81:788 82:472 83:445 84:702 85:1046 86:457 87:697 88:325 89:1551 90:87 91:2736 92:480 93:1098 94:1400 95:589 96:246 97:309 98:566 99:28 109:467 110:330 111:501 112:255 113:287 114:395 115:586 116:1023 117:636 118:427 119:955 120:148 121:741 122:1434 123:884 124:1109 125:1298 128:210 129:208 130:197 131:561 132:246 133:17 134:194 135:45 136:225 137:171 138:254 139:92 140:485 141:136 142:354 143:383 144:473 145:52 146:427 147:167 148:595 149:316 150:153 151:169 152:262 153:167 154:2 155:329 156:184 157:324 158:107 159:368 160:315 161:204 162:270 163:171 164:411 165:532 166:497 167:396 168:801 169:161 170:700 171:50 172:1 173:721 174:664 175:92 178:74 180:455 182:48 183:253 184:39 186:378 187:320 188:1294 189:778 190:3639 192:5732 193:4690 194:3357 195:2764 196:1194 197:1 198:3574 199:3438 200:5347 201:1515 202:7980 203:8276 204:4050 205:2336 206:2535 207:3034 208:3922 209:3432 210:2506 211:1239 212:1730 213:1679 214:664 215:70 216:4566 217:1545 218:504 219:381 220:1107 221:400 222:313 End of report