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 24 Oct, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 301090 Prefixes after maximum aggregation: 141242 Deaggregation factor: 2.13 Unique aggregates announced to Internet: 149275 Total ASes present in the Internet Routing Table: 32521 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 28255 Origin ASes announcing only one prefix: 13771 Transit ASes present in the Internet Routing Table: 4266 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 30 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 604 Unregistered ASNs in the Routing Table: 123 Number of 32-bit ASNs allocated by the RIRs: 300 Prefixes from 32-bit ASNs in the Routing Table: 242 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 189 Number of addresses announced to Internet: 2116891488 Equivalent to 126 /8s, 45 /16s and 51 /24s Percentage of available address space announced: 57.1 Percentage of allocated address space announced: 64.7 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 79.4 Total number of prefixes smaller than registry allocations: 144872 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 72260 Total APNIC prefixes after maximum aggregation: 25358 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 68831 Unique aggregates announced from the APNIC address blocks: 30562 APNIC Region origin ASes present in the Internet Routing Table: 3842 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 1047 APNIC Region transit ASes present in the Internet Routing Table: 589 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 462803232 Equivalent to 27 /8s, 149 /16s and 209 /24s Percentage of available APNIC address space announced: 78.8 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 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 127136 Total ARIN prefixes after maximum aggregation: 67099 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 101658 Unique aggregates announced from the ARIN address blocks: 38678 ARIN Region origin ASes present in the Internet Routing Table: 13315 ARIN Prefixes per ASN: 7.63 ARIN Region origin ASes announcing only one prefix: 5144 ARIN Region transit ASes present in the Internet Routing Table: 1313 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 708690432 Equivalent to 42 /8s, 61 /16s and 194 /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, 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, 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: 69365 Total RIPE prefixes after maximum aggregation: 40565 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 62853 Unique aggregates announced from the RIPE address blocks: 42173 RIPE Region origin ASes present in the Internet Routing Table: 13646 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7107 RIPE Region transit ASes present in the Internet Routing Table: 2053 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 402504512 Equivalent to 23 /8s, 253 /16s and 187 /24s Percentage of available RIPE address space announced: 75.0 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, 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: 25911 Total LACNIC prefixes after maximum aggregation: 6365 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 24217 Unique aggregates announced from the LACNIC address blocks: 13306 LACNIC Region origin ASes present in the Internet Routing Table: 1195 LACNIC Prefixes per ASN: 20.27 LACNIC Region origin ASes announcing only one prefix: 375 LACNIC Region transit ASes present in the Internet Routing Table: 196 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 67503616 Equivalent to 4 /8s, 6 /16s and 6 /24s Percentage of available LACNIC address space announced: 67.1 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: 5949 Total AfriNIC prefixes after maximum aggregation: 1574 AfriNIC Deaggregation factor: 3.78 Prefixes being announced from the AfriNIC address blocks: 4309 Unique aggregates announced from the AfriNIC address blocks: 1581 AfriNIC Region origin ASes present in the Internet Routing Table: 331 AfriNIC Prefixes per ASN: 13.02 AfriNIC Region origin ASes announcing only one prefix: 98 AfriNIC Region transit ASes present in the Internet Routing Table: 68 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12602112 Equivalent to 0 /8s, 192 /16s and 75 /24s Percentage of available AfriNIC address space announced: 37.6 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 1763 6991 454 Korea Telecom (KIX) 17488 1470 138 142 Hathway IP Over Cable Interne 4755 1266 292 145 TATA Communications formerly 9583 1103 87 532 Sify Limited 4134 1005 18177 392 CHINANET-BACKBONE 18101 980 204 32 Reliance Infocom Ltd Internet 7545 901 199 101 TPG Internet Pty Ltd 9829 849 661 20 BSNL National Internet Backbo 17974 797 249 94 PT TELEKOMUNIKASI INDONESIA 24560 781 290 164 Bharti Airtel Ltd., Telemedia 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 4164 3882 312 bellsouth.net, inc. 4323 3711 1037 384 Time Warner Telecom 1785 1776 714 139 PaeTec Communications, Inc. 7018 1574 5844 1059 AT&T WorldNet Services 20115 1488 1481 670 Charter Communications 6478 1347 275 437 AT&T Worldnet Services 2386 1306 637 945 AT&T Data Communications Serv 3356 1224 10964 439 Level 3 Communications, LLC 11492 1134 206 13 Cable One 22773 1113 2604 67 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 30890 514 94 208 Evolva Telecom 35805 465 40 5 United Telecom of Georgia 3292 451 1908 394 TDC Tele Danmark 702 415 1822 334 UUNET - Commercial IP service 9198 387 138 12 Kazakhtelecom Data Network Ad 8866 360 110 23 Bulgarian Telecommunication C 3320 356 7068 304 Deutsche Telekom AG 3301 350 1428 307 TeliaNet Sweden 3215 349 3144 111 France Telecom Transpac 8551 316 294 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 1520 2899 237 UniNet S.A. de C.V. 10620 1020 227 100 TVCABLE BOGOTA 28573 779 652 90 NET Servicos de Comunicao S.A 7303 658 347 98 Telecom Argentina Stet-France 22047 545 302 14 VTR PUNTO NET S.A. 11830 475 310 61 Instituto Costarricense de El 11172 443 99 71 Servicios Alestra S.A de C.V 14117 438 29 11 Telefonica del Sur S.A. 7738 428 858 29 Telecomunicacoes da Bahia S.A 6471 421 96 31 ENTEL CHILE 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 990 188 7 TEDATA 24863 874 96 73 LINKdotNET AS number 3741 272 856 233 The Internet Solution 2018 195 188 118 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 142 14 6 Ci Telecom Autonomous system 33776 124 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd 20858 109 34 6 EgyNet 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 4164 3882 312 bellsouth.net, inc. 4323 3711 1037 384 Time Warner Telecom 1785 1776 714 139 PaeTec Communications, Inc. 4766 1763 6991 454 Korea Telecom (KIX) 7018 1574 5844 1059 AT&T WorldNet Services 8151 1520 2899 237 UniNet S.A. de C.V. 20115 1488 1481 670 Charter Communications 17488 1470 138 142 Hathway IP Over Cable Interne 6478 1347 275 437 AT&T Worldnet Services 2386 1306 637 945 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 4323 3711 3327 Time Warner Telecom 1785 1776 1637 PaeTec Communications, Inc. 17488 1470 1328 Hathway IP Over Cable Interne 4766 1763 1309 Korea Telecom (KIX) 8151 1520 1283 UniNet S.A. de C.V. 4755 1266 1121 TATA Communications formerly 11492 1134 1121 Cable One 18566 1062 1052 Covad Communications 22773 1113 1046 Cox Communications, Inc. 8452 990 983 TEDATA 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 43.245.0.0/16 7502 Internetwork Kyoto 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 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 /8:20 /9:10 /10:24 /11:63 /12:177 /13:355 /14:629 /15:1210 /16:10692 /17:4886 /18:8472 /19:17517 /20:21113 /21:21075 /22:27386 /23:26945 /24:157743 /25:926 /26:1113 /27:557 /28:154 /29:8 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2691 4164 bellsouth.net, inc. 4323 2350 3711 Time Warner Telecom 4766 1436 1763 Korea Telecom (KIX) 1785 1241 1776 PaeTec Communications, Inc. 17488 1231 1470 Hathway IP Over Cable Interne 11492 1058 1134 Cable One 18566 1043 1062 Covad Communications 9583 955 1103 Sify Limited 7018 932 1574 AT&T WorldNet Services 10620 926 1020 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:14 8:225 12:2147 13:7 15:22 16:3 17:5 20:36 24:1199 32:52 34:2 38:605 40:97 41:1767 43:1 44:2 46:1 47:21 52:6 55:2 56:2 57:25 58:607 59:640 60:441 61:1088 62:973 63:2005 64:3661 65:2374 66:4090 67:1758 68:984 69:2761 70:572 71:154 72:1725 73:2 74:1989 75:183 76:357 77:866 78:566 79:390 80:913 81:814 82:479 83:436 84:533 85:1006 86:372 87:692 88:422 89:1517 90:53 91:2616 92:417 93:1279 94:1317 95:1145 96:190 97:271 98:371 99:30 109:86 110:246 111:456 112:142 113:155 114:274 115:446 116:1096 117:592 118:358 119:790 120:132 121:797 122:1293 123:778 124:1043 125:1373 128:219 129:220 130:130 131:421 132:76 133:10 134:186 135:42 136:224 137:171 138:174 139:82 140:440 141:123 142:385 143:348 144:365 145:49 146:391 147:170 148:551 149:202 150:151 151:176 152:212 153:158 154:2 155:273 156:168 157:310 158:91 159:358 160:292 161:171 162:279 163:171 164:278 165:467 166:478 167:391 168:754 169:163 170:466 171:42 172:2 173:386 174:382 175:1 178:1 180:96 182:1 186:148 187:167 188:1179 189:610 190:3168 192:5745 193:4270 194:3326 195:2736 196:1170 198:3551 199:3352 200:5202 201:1360 202:7891 203:8237 204:3915 205:2180 206:2400 207:2987 208:3972 209:3456 210:2570 211:1142 212:1603 213:1619 214:172 215:39 216:4425 217:1335 218:415 219:456 220:1135 221:449 222:304 End of report