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 02 May, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 288051 Prefixes after maximum aggregation: 136022 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 141369 Total ASes present in the Internet Routing Table: 31138 Prefixes per ASN: 9.25 Origin-only ASes present in the Internet Routing Table: 27105 Origin ASes announcing only one prefix: 13215 Transit ASes present in the Internet Routing Table: 4033 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: 33 Max AS path prepend of ASN (43683) 31 Prefixes from unregistered ASNs in the Routing Table: 469 Unregistered ASNs in the Routing Table: 153 Number of 32-bit ASNs allocated by the RIRs: 139 Prefixes from 32-bit ASNs in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 194 Number of addresses announced to Internet: 2038219584 Equivalent to 121 /8s, 124 /16s and 195 /24s Percentage of available address space announced: 55.0 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 76.6 Total number of prefixes smaller than registry allocations: 142557 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 67520 Total APNIC prefixes after maximum aggregation: 24106 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 64190 Unique aggregates announced from the APNIC address blocks: 28896 APNIC Region origin ASes present in the Internet Routing Table: 3608 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 973 APNIC Region transit ASes present in the Internet Routing Table: 550 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 412626208 Equivalent to 24 /8s, 152 /16s and 45 /24s Percentage of available APNIC address space announced: 76.9 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: 125338 Total ARIN prefixes after maximum aggregation: 66038 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 94482 Unique aggregates announced from the ARIN address blocks: 36854 ARIN Region origin ASes present in the Internet Routing Table: 12953 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 5000 ARIN Region transit ASes present in the Internet Routing Table: 1251 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 428374528 Equivalent to 25 /8s, 136 /16s and 122 /24s Percentage of available ARIN address space announced: 82.4 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: 66051 Total RIPE prefixes after maximum aggregation: 38227 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 60366 Unique aggregates announced from the RIPE address blocks: 40195 RIPE Region origin ASes present in the Internet Routing Table: 12951 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 6792 RIPE Region transit ASes present in the Internet Routing Table: 1950 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 393305888 Equivalent to 23 /8s, 113 /16s and 95 /24s Percentage of available RIPE address space announced: 83.7 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: 23793 Total LACNIC prefixes after maximum aggregation: 5880 LACNIC Deaggregation factor: 4.05 Prefixes being announced from the LACNIC address blocks: 21946 Unique aggregates announced from the LACNIC address blocks: 12120 LACNIC Region origin ASes present in the Internet Routing Table: 1104 LACNIC Prefixes per ASN: 19.88 LACNIC Region origin ASes announcing only one prefix: 360 LACNIC Region transit ASes present in the Internet Routing Table: 182 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 62785280 Equivalent to 3 /8s, 190 /16s and 7 /24s Percentage of available LACNIC address space announced: 62.4 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: 4921 Total AfriNIC prefixes after maximum aggregation: 1428 AfriNIC Deaggregation factor: 3.45 Prefixes being announced from the AfriNIC address blocks: 4582 Unique aggregates announced from the AfriNIC address blocks: 1400 AfriNIC Region origin ASes present in the Internet Routing Table: 293 AfriNIC Prefixes per ASN: 15.64 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 11304960 Equivalent to 0 /8s, 172 /16s and 128 /24s Percentage of available AfriNIC address space announced: 33.7 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 1697 6930 402 Korea Telecom (KIX) 17488 1555 124 98 Hathway IP Over Cable Interne 4755 1238 466 124 TATA Communications formerly 9583 1085 86 536 Sify Limited 4134 898 16676 373 CHINANET-BACKBONE 7545 787 168 107 TPG Internet Pty Ltd 23577 779 34 662 Korea Telecom (ATM-MPLS) 18101 753 217 31 Reliance Infocom Ltd Internet 24560 684 229 175 Bharti Airtel Ltd. 9498 644 295 51 BHARTI BT INTERNET LTD. 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 4312 3653 344 bellsouth.net, inc. 209 2627 4151 621 Qwest 4323 1846 1051 376 Time Warner Telecom 1785 1752 717 139 PaeTec Communications, Inc. 20115 1603 1442 724 Charter Communications 7018 1470 5896 1018 AT&T WorldNet Services 6478 1391 308 427 AT&T Worldnet Services 2386 1260 682 909 AT&T Data Communications Serv 3356 1197 10980 452 Level 3 Communications, LLC 11492 1096 192 11 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 8452 1235 188 7 TEDATA 30890 541 88 200 Evolva Telecom 3292 454 1763 393 TDC Tele Danmark 12479 448 578 6 Uni2 Autonomous System 8866 366 109 23 Bulgarian Telecommunication C 3320 347 7082 298 Deutsche Telekom AG 3215 343 3041 108 France Telecom Transpac 3301 343 1670 307 TeliaNet Sweden 35805 332 24 4 United Telecom of Georgia 29049 321 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 1442 2847 235 UniNet S.A. de C.V. 10620 905 208 88 TVCABLE BOGOTA 22047 617 302 14 VTR PUNTO NET S.A. 7303 522 270 75 Telecom Argentina Stet-France 11830 516 294 34 Instituto Costarricense de El 11172 443 102 72 Servicios Alestra S.A de C.V 6471 442 96 31 ENTEL CHILE S.A. 28573 423 557 27 NET Servicos de Comunicao S.A 16814 409 31 10 NSS, S.A. 7738 397 794 28 Telecomunicacoes da Bahia 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 24863 859 79 37 LINKdotNET AS number 20858 299 34 4 This AS will be used to conne 3741 277 860 237 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 159 150 15 Itissalat Al-MAGHRIB 33783 151 10 8 EEPAD TISP TELECOM & INTERNET 29571 139 15 9 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 115 507 66 Telkom SA Ltd 24835 107 46 9 RAYA Telecom - Egypt 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 4312 3653 344 bellsouth.net, inc. 209 2627 4151 621 Qwest 4323 1846 1051 376 Time Warner Telecom 1785 1752 717 139 PaeTec Communications, Inc. 4766 1697 6930 402 Korea Telecom (KIX) 20115 1603 1442 724 Charter Communications 17488 1555 124 98 Hathway IP Over Cable Interne 7018 1470 5896 1018 AT&T WorldNet Services 8151 1442 2847 235 UniNet S.A. de C.V. 6478 1391 308 427 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2627 2006 Qwest 1785 1752 1613 PaeTec Communications, Inc. 4323 1846 1470 Time Warner Telecom 17488 1555 1457 Hathway IP Over Cable Interne 4766 1697 1295 Korea Telecom (KIX) 8452 1235 1228 TEDATA 8151 1442 1207 UniNet S.A. de C.V. 4755 1238 1114 TATA Communications formerly 11492 1096 1085 Cable One 18566 1062 1052 Covad Communications 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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 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 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 /10:20 /11:58 /12:166 /13:336 /14:597 /15:1147 /16:10439 /17:4716 /18:8093 /19:17101 /20:20371 /21:20238 /22:25913 /23:25432 /24:150686 /25:902 /26:1051 /27:540 /28:161 /29:37 /30:10 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2809 4312 bellsouth.net, inc. 4766 1391 1697 Korea Telecom (KIX) 209 1334 2627 Qwest 17488 1306 1555 Hathway IP Over Cable Interne 8452 1209 1235 TEDATA 1785 1158 1752 PaeTec Communications, Inc. 18566 1043 1062 Covad Communications 11492 1034 1096 Cable One 2386 958 1260 AT&T Data Communications Serv 4323 952 1846 Time Warner Telecom Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:13 8:197 12:2217 13:6 15:19 16:3 17:4 20:35 24:1051 32:50 38:529 40:97 41:2006 43:1 44:2 47:22 52:4 55:2 56:3 57:25 58:577 59:635 60:459 61:1124 62:1111 63:2049 64:3669 65:2390 66:3619 67:1533 68:721 69:2583 70:533 71:145 72:1649 73:2 74:1482 75:170 76:311 77:829 78:549 79:331 80:973 81:819 82:561 83:422 84:602 85:1052 86:394 87:648 88:356 89:1455 90:47 91:2170 92:335 93:1058 94:1215 95:1145 96:123 97:201 98:465 99:17 109:1 110:89 112:114 113:101 114:230 115:250 116:1163 117:522 118:290 119:687 120:146 121:715 122:1012 123:686 124:972 125:1312 128:222 129:232 130:127 131:416 132:73 133:9 134:183 135:215 136:242 137:153 138:159 139:80 140:441 141:107 142:376 143:348 144:361 145:47 146:373 147:154 148:515 149:236 150:181 151:199 152:147 153:138 154:2 155:273 156:169 157:300 158:115 159:306 160:280 161:133 162:273 163:151 164:484 165:539 166:276 167:361 168:683 169:161 170:472 171:39 172:10 173:277 174:200 178:1 186:9 187:82 188:9 189:336 190:2643 192:5796 193:4226 194:3312 195:2686 196:1059 198:3715 199:3344 200:5424 201:1384 202:7851 203:8193 204:3815 205:2147 206:2426 207:2803 208:3912 209:3381 210:2701 211:1108 212:1514 213:1692 214:71 215:30 216:4636 217:1266 218:367 219:429 220:1211 221:470 222:293 End of report