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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 29 20:25:01 CEST 2010
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 30 Oct, 2010 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 334884 Prefixes after maximum aggregation: 153059 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 164990 Total ASes present in the Internet Routing Table: 35132 Prefixes per ASN: 9.53 Origin-only ASes present in the Internet Routing Table: 30301 Origin ASes announcing only one prefix: 14792 Transit ASes present in the Internet Routing Table: 4831 Transit-only ASes present in the Internet Routing Table: 116 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 30 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 299 Unregistered ASNs in the Routing Table: 126 Number of 32-bit ASNs allocated by the RIRs: 855 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 190 Number of addresses announced to Internet: 2326677152 Equivalent to 138 /8s, 174 /16s and 70 /24s Percentage of available address space announced: 62.8 Percentage of allocated address space announced: 66.4 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.7 Total number of prefixes smaller than registry allocations: 137440 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 82239 Total APNIC prefixes after maximum aggregation: 28016 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79141 Unique aggregates announced from the APNIC address blocks: 34694 APNIC Region origin ASes present in the Internet Routing Table: 4221 APNIC Prefixes per ASN: 18.75 APNIC Region origin ASes announcing only one prefix: 1175 APNIC Region transit ASes present in the Internet Routing Table: 674 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 560662560 Equivalent to 33 /8s, 107 /16s and 8 /24s Percentage of available APNIC address space announced: 76.0 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, 36/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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: 137395 Total ARIN prefixes after maximum aggregation: 71132 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 108801 Unique aggregates announced from the ARIN address blocks: 43651 ARIN Region origin ASes present in the Internet Routing Table: 14008 ARIN Prefixes per ASN: 7.77 ARIN Region origin ASes announcing only one prefix: 5372 ARIN Region transit ASes present in the Internet Routing Table: 1485 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 738378752 Equivalent to 44 /8s, 2 /16s and 196 /24s Percentage of available ARIN address space announced: 62.9 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: 77241 Total RIPE prefixes after maximum aggregation: 44695 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 70713 Unique aggregates announced from the RIPE address blocks: 46395 RIPE Region origin ASes present in the Internet Routing Table: 14930 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 7688 RIPE Region transit ASes present in the Internet Routing Table: 2300 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 443077376 Equivalent to 26 /8s, 104 /16s and 211 /24s Percentage of available RIPE address space announced: 77.7 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, 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: 30226 Total LACNIC prefixes after maximum aggregation: 7219 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 28913 Unique aggregates announced from the LACNIC address blocks: 15358 LACNIC Region origin ASes present in the Internet Routing Table: 1377 LACNIC Prefixes per ASN: 21.00 LACNIC Region origin ASes announcing only one prefix: 428 LACNIC Region transit ASes present in the Internet Routing Table: 238 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76766720 Equivalent to 4 /8s, 147 /16s and 94 /24s Percentage of available LACNIC address space announced: 57.2 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: 7554 Total AfriNIC prefixes after maximum aggregation: 1877 AfriNIC Deaggregation factor: 4.02 Prefixes being announced from the AfriNIC address blocks: 5871 Unique aggregates announced from the AfriNIC address blocks: 1719 AfriNIC Region origin ASes present in the Internet Routing Table: 415 AfriNIC Prefixes per ASN: 14.15 AfriNIC Region origin ASes announcing only one prefix: 129 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 21458176 Equivalent to 1 /8s, 71 /16s and 109 /24s Percentage of available AfriNIC address space announced: 64.0 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 1867 9453 512 Korea Telecom (KIX) 7545 1424 299 78 TPG Internet Pty Ltd 4755 1380 379 158 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1277 304 82 PT TELEKOMUNIKASI INDONESIA 24560 1053 309 173 Bharti Airtel Ltd., Telemedia 9583 1030 76 491 Sify Limited 4808 976 1720 265 CNCGROUP IP network: China169 18101 894 116 133 Reliance Infocom Ltd Internet 9829 826 694 27 BSNL National Internet Backbo Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3760 3666 279 bellsouth.net, inc. 4323 2611 1104 393 Time Warner Telecom 1785 1792 698 130 PaeTec Communications, Inc. 19262 1776 4833 278 Verizon Global Networks 20115 1507 1528 644 Charter Communications 7018 1420 5691 909 AT&T WorldNet Services 6478 1398 280 76 AT&T Worldnet Services 2386 1317 556 932 AT&T Data Communications Serv 11492 1237 231 74 Cable One 22773 1225 2859 62 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 447 2028 391 TDC Tele Danmark 8866 426 133 25 Bulgarian Telecommunication C 8551 402 353 46 Bezeq International 702 397 1866 311 UUNET - Commercial IP service 34984 381 91 188 BILISIM TELEKOM 3301 379 1696 336 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 30890 375 80 206 Evolva Telecom 12479 366 576 5 Uni2 Autonomous System 31148 360 19 82 FreeNet ISP Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1330 248 155 TVCABLE BOGOTA 8151 1326 2597 366 UniNet S.A. de C.V. 28573 1206 928 84 NET Servicos de Comunicao S.A 7303 832 441 108 Telecom Argentina Stet-France 6503 794 225 259 AVANTEL, S.A. 22047 564 310 15 VTR PUNTO NET S.A. 14420 554 42 82 CORPORACION NACIONAL DE TELEC 3816 485 210 96 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 448 32 27 Telefonica del Sur S.A. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1112 445 10 TEDATA 24863 744 147 39 LINKdotNET AS number 36992 643 278 160 Etisalat MISR 3741 268 907 225 The Internet Solution 24835 209 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 16637 152 440 89 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3760 3666 279 bellsouth.net, inc. 4323 2611 1104 393 Time Warner Telecom 4766 1867 9453 512 Korea Telecom (KIX) 1785 1792 698 130 PaeTec Communications, Inc. 19262 1776 4833 278 Verizon Global Networks 20115 1507 1528 644 Charter Communications 7545 1424 299 78 TPG Internet Pty Ltd 7018 1420 5691 909 AT&T WorldNet Services 6478 1398 280 76 AT&T Worldnet Services 4755 1380 379 158 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2611 2218 Time Warner Telecom 1785 1792 1662 PaeTec Communications, Inc. 19262 1776 1498 Verizon Global Networks 4766 1867 1355 Korea Telecom (KIX) 7545 1424 1346 TPG Internet Pty Ltd 6478 1398 1322 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4755 1380 1222 TATA Communications formerly 17974 1277 1195 PT TELEKOMUNIKASI INDONESIA 10620 1330 1175 TVCABLE BOGOTA Complete listing at http://thyme.rand.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 4323 Time Warner Telecom 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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.rand.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 36.0.0.0/8 237 Merit Network 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 42.0.0.0/8 237 Merit Network 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.21.192.0/20 11610 Internet Nebraska Corporation Complete listing at http://thyme.rand.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 /8:21 /9:10 /10:25 /11:68 /12:206 /13:420 /14:744 /15:1346 /16:11369 /17:5534 /18:9378 /19:18596 /20:23846 /21:23863 /22:31488 /23:30659 /24:174487 /25:974 /26:1098 /27:580 /28:151 /29:12 /30:2 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2325 3760 bellsouth.net, inc. 4323 1402 2611 Time Warner Telecom 6478 1360 1398 AT&T Worldnet Services 10620 1222 1330 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1074 1792 PaeTec Communications, Inc. 18566 1069 1088 Covad Communications 7011 1059 1160 Citizens Utilities 8452 1008 1112 TEDATA 19262 902 1776 Verizon Global Networks Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:92 2:13 4:13 5:1 8:312 12:1995 13:8 14:53 15:18 16:3 17:8 20:9 24:1402 27:394 31:1 32:61 33:11 38:697 40:101 41:2618 44:3 46:199 47:10 49:4 50:3 52:12 55:5 56:2 57:29 58:834 59:501 60:480 61:1122 62:1003 63:1964 64:3746 65:2344 66:4069 67:1809 68:1123 69:2878 70:753 71:376 72:1894 73:2 74:2324 75:295 76:326 77:855 78:683 79:443 80:1060 81:795 82:513 83:454 84:684 85:1020 86:472 87:694 88:329 89:1572 90:109 91:3144 92:438 93:983 94:1120 95:704 96:396 97:222 98:632 99:32 100:1 101:3 108:64 109:724 110:426 111:619 112:308 113:306 114:478 115:615 116:1142 117:660 118:556 119:999 120:164 121:715 122:1606 123:950 124:1224 125:1270 128:229 129:152 130:168 131:564 132:275 133:20 134:207 135:46 136:211 137:142 138:279 139:109 140:485 141:198 142:347 143:361 144:500 145:55 146:427 147:173 148:619 149:308 150:146 151:231 152:293 153:175 154:3 155:362 156:166 157:338 158:112 159:361 160:312 161:199 162:274 163:163 164:426 165:349 166:469 167:426 168:681 169:155 170:718 171:62 172:2 173:1074 174:484 175:242 176:1 178:562 180:688 182:255 183:238 184:155 186:751 187:560 188:855 189:806 190:4185 192:5764 193:4751 194:3440 195:2839 196:1196 198:3519 199:3629 200:5409 201:1583 202:8177 203:8297 204:4016 205:2326 206:2569 207:3009 208:3885 209:3456 210:2557 211:1278 212:1805 213:1729 214:675 215:66 216:4742 217:1571 218:526 219:401 220:1184 221:428 222:343 223:59 End of report
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