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 <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 27 Mar, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 316354 Prefixes after maximum aggregation: 146166 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 153886 Total ASes present in the Internet Routing Table: 33654 Prefixes per ASN: 9.40 Origin-only ASes present in the Internet Routing Table: 29228 Origin ASes announcing only one prefix: 14274 Transit ASes present in the Internet Routing Table: 4426 Transit-only ASes present in the Internet Routing Table: 107 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: 1005 Unregistered ASNs in the Routing Table: 155 Number of 32-bit ASNs allocated by the RIRs: 496 Prefixes from 32-bit ASNs in the Routing Table: 511 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 224 Number of addresses announced to Internet: 2207844992 Equivalent to 131 /8s, 153 /16s and 10 /24s Percentage of available address space announced: 59.6 Percentage of allocated address space announced: 66.2 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 81.8 Total number of prefixes smaller than registry allocations: 151722 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75992 Total APNIC prefixes after maximum aggregation: 26357 APNIC Deaggregation factor: 2.88 Prefixes being announced from the APNIC address blocks: 72662 Unique aggregates announced from the APNIC address blocks: 31966 APNIC Region origin ASes present in the Internet Routing Table: 3984 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 1094 APNIC Region transit ASes present in the Internet Routing Table: 618 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 505653824 Equivalent to 30 /8s, 35 /16s and 170 /24s Percentage of available APNIC address space announced: 79.3 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 132383 Total ARIN prefixes after maximum aggregation: 68542 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 105593 Unique aggregates announced from the ARIN address blocks: 40196 ARIN Region origin ASes present in the Internet Routing Table: 13605 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5276 ARIN Region transit ASes present in the Internet Routing Table: 1342 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 724613536 Equivalent to 43 /8s, 48 /16s and 185 /24s Percentage of available ARIN address space announced: 61.7 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: 72416 Total RIPE prefixes after maximum aggregation: 42364 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65475 Unique aggregates announced from the RIPE address blocks: 43222 RIPE Region origin ASes present in the Internet Routing Table: 14273 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7392 RIPE Region transit ASes present in the Internet Routing Table: 2129 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 419880096 Equivalent to 25 /8s, 6 /16s and 220 /24s Percentage of available RIPE address space announced: 78.2 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: 28095 Total LACNIC prefixes after maximum aggregation: 6652 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 26431 Unique aggregates announced from the LACNIC address blocks: 13655 LACNIC Region origin ASes present in the Internet Routing Table: 1258 LACNIC Prefixes per ASN: 21.01 LACNIC Region origin ASes announcing only one prefix: 415 LACNIC Region transit ASes present in the Internet Routing Table: 214 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 71750144 Equivalent to 4 /8s, 70 /16s and 210 /24s Percentage of available LACNIC address space announced: 71.3 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: 6721 Total AfriNIC prefixes after maximum aggregation: 1812 AfriNIC Deaggregation factor: 3.71 Prefixes being announced from the AfriNIC address blocks: 5069 Unique aggregates announced from the AfriNIC address blocks: 1522 AfriNIC Region origin ASes present in the Internet Routing Table: 350 AfriNIC Prefixes per ASN: 14.48 AfriNIC Region origin ASes announcing only one prefix: 97 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 14921216 Equivalent to 0 /8s, 227 /16s and 174 /24s Percentage of available AfriNIC address space announced: 44.5 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 1836 8405 476 Korea Telecom (KIX) 17488 1306 134 133 Hathway IP Over Cable Interne 4755 1292 288 140 TATA Communications formerly 4134 1030 20317 398 CHINANET-BACKBONE 7545 1027 199 101 TPG Internet Pty Ltd 9583 1001 75 503 Sify Limited 17974 949 281 28 PT TELEKOMUNIKASI INDONESIA 18101 907 220 46 Reliance Infocom Ltd Internet 24560 865 303 166 Bharti Airtel Ltd., Telemedia 4808 844 1585 214 CNCGROUP IP network: China169 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 4057 3842 311 bellsouth.net, inc. 4323 3784 1083 394 Time Warner Telecom 1785 1777 698 131 PaeTec Communications, Inc. 7018 1564 5756 1001 AT&T WorldNet Services 20115 1529 1497 655 Charter Communications 2386 1324 616 934 AT&T Data Communications Serv 3356 1233 10952 424 Level 3 Communications, LLC 6478 1176 247 158 AT&T Worldnet Services 11492 1146 222 14 Cable One 22773 1132 2604 70 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 35805 610 56 6 United Telecom of Georgia 3292 448 1899 390 TDC Tele Danmark 30890 436 100 202 Evolva Telecom 702 423 1870 335 UUNET - Commercial IP service 8551 400 355 36 Bezeq International 8866 392 117 18 Bulgarian Telecommunication C 3320 363 7072 317 Deutsche Telekom AG 3301 355 1413 316 TeliaNet Sweden 3215 347 3206 103 France Telecom Transpac 12479 328 576 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 1537 2892 237 UniNet S.A. de C.V. 10620 1028 229 156 TVCABLE BOGOTA 28573 951 729 80 NET Servicos de Comunicao S.A 7303 693 363 102 Telecom Argentina Stet-France 22047 545 310 15 VTR PUNTO NET S.A. 18881 523 268 11 Global Village Telecom 6503 509 168 191 AVANTEL, S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 454 195 69 Empresa Nacional de Telecomun 11172 445 99 70 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 969 445 10 TEDATA 24863 704 144 41 LINKdotNET AS number 36992 557 121 167 Etisalat MISR 3741 274 853 233 The Internet Solution 33776 262 14 11 Starcomms Nigeria Limited 2018 212 215 122 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 171 19 9 Ci Telecom Autonomous system 24835 138 78 11 RAYA Telecom - Egypt 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 4057 3842 311 bellsouth.net, inc. 4323 3784 1083 394 Time Warner Telecom 4766 1836 8405 476 Korea Telecom (KIX) 1785 1777 698 131 PaeTec Communications, Inc. 7018 1564 5756 1001 AT&T WorldNet Services 8151 1537 2892 237 UniNet S.A. de C.V. 20115 1529 1497 655 Charter Communications 2386 1324 616 934 AT&T Data Communications Serv 17488 1306 134 133 Hathway IP Over Cable Interne 4755 1292 288 140 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 3784 3390 Time Warner Telecom 1785 1777 1646 PaeTec Communications, Inc. 4766 1836 1360 Korea Telecom (KIX) 8151 1537 1300 UniNet S.A. de C.V. 17488 1306 1173 Hathway IP Over Cable Interne 4755 1292 1152 TATA Communications formerly 11492 1146 1132 Cable One 22773 1132 1062 Cox Communications, Inc. 18566 1059 1049 Covad Communications 6478 1176 1018 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 12.39.155.0/24 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 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 41.73.192.0/19 36930 ZanZibar Telecom 41.190.64.0/22 28683 Office des Postes et telecomm 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT 41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.24.0/22 25747 VSC Satellite Co 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 /11:66 /12:191 /13:392 /14:675 /15:1240 /16:10998 /17:5204 /18:8810 /19:18216 /20:22229 /21:22310 /22:28961 /23:28657 /24:165416 /25:962 /26:1202 /27:610 /28:136 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2623 4057 bellsouth.net, inc. 4323 2348 3784 Time Warner Telecom 4766 1475 1836 Korea Telecom (KIX) 1785 1241 1777 PaeTec Communications, Inc. 17488 1060 1306 Hathway IP Over Cable Interne 11492 1056 1146 Cable One 18566 1040 1059 Covad Communications 7018 941 1564 AT&T WorldNet Services 10620 934 1028 TVCABLE BOGOTA 8452 873 969 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:13 8:253 12:2002 13:10 15:22 16:3 17:8 20:26 24:1374 27:2 32:48 33:12 38:654 40:100 41:2077 44:3 46:1 47:26 52:6 55:7 56:2 57:24 58:645 59:640 60:419 61:1095 62:1054 63:1981 64:3829 65:2353 66:4158 67:1819 68:1052 69:2785 70:698 71:235 72:1866 73:2 74:2142 75:244 76:312 77:825 78:572 79:416 80:989 81:771 82:453 83:451 84:681 85:1040 86:383 87:680 88:348 89:1557 90:81 91:2701 92:427 93:1126 94:1368 95:545 96:233 97:302 98:529 99:26 109:417 110:289 111:459 112:240 113:246 114:389 115:632 116:1036 117:630 118:407 119:976 120:147 121:856 122:1401 123:872 124:1067 125:1292 128:208 129:203 130:158 131:557 132:227 133:17 134:197 135:44 136:223 137:171 138:255 139:94 140:479 141:137 142:376 143:349 144:432 145:51 146:423 147:169 148:585 149:248 150:151 151:168 152:258 153:168 154:2 155:320 156:184 157:324 158:102 159:359 160:315 161:178 162:269 163:164 164:399 165:509 166:508 167:402 168:796 169:158 170:733 171:48 172:2 173:575 174:611 175:53 178:16 180:353 182:32 183:236 184:27 186:340 187:252 188:1191 189:721 190:3582 192:5722 193:4600 194:3360 195:2776 196:1171 198:3541 199:3396 200:5300 201:1480 202:8084 203:8300 204:4039 205:2304 206:2518 207:3025 208:3916 209:3431 210:2553 211:1211 212:1720 213:1682 214:589 215:67 216:4471 217:1519 218:492 219:418 220:1079 221:380 222:300 End of report