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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 14 20:10:31 CEST 2010
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 at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 15 May, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 321353 Prefixes after maximum aggregation: 148341 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 156858 Total ASes present in the Internet Routing Table: 34007 Prefixes per ASN: 9.45 Origin-only ASes present in the Internet Routing Table: 29525 Origin ASes announcing only one prefix: 14346 Transit ASes present in the Internet Routing Table: 4482 Transit-only ASes present in the Internet Routing Table: 100 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 341 Unregistered ASNs in the Routing Table: 120 Number of 32-bit ASNs allocated by the RIRs: 564 Prefixes from 32-bit ASNs in the Routing Table: 636 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 189 Number of addresses announced to Internet: 2216648704 Equivalent to 132 /8s, 31 /16s and 96 /24s Percentage of available address space announced: 59.8 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 91.9 Percentage of address space in use by end-sites: 82.7 Total number of prefixes smaller than registry allocations: 154160 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76802 Total APNIC prefixes after maximum aggregation: 26762 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 73469 Unique aggregates announced from the APNIC address blocks: 32216 APNIC Region origin ASes present in the Internet Routing Table: 4033 APNIC Prefixes per ASN: 18.22 APNIC Region origin ASes announcing only one prefix: 1100 APNIC Region transit ASes present in the Internet Routing Table: 622 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 516278592 Equivalent to 30 /8s, 197 /16s and 201 /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 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: 133879 Total ARIN prefixes after maximum aggregation: 69162 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 106795 Unique aggregates announced from the ARIN address blocks: 41618 ARIN Region origin ASes present in the Internet Routing Table: 13695 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5278 ARIN Region transit ASes present in the Internet Routing Table: 1351 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 730749728 Equivalent to 43 /8s, 142 /16s and 91 /24s Percentage of available ARIN address space announced: 62.2 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: 73907 Total RIPE prefixes after maximum aggregation: 42884 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 66839 Unique aggregates announced from the RIPE address blocks: 43966 RIPE Region origin ASes present in the Internet Routing Table: 14455 RIPE Prefixes per ASN: 4.62 RIPE Region origin ASes announcing only one prefix: 7456 RIPE Region transit ASes present in the Internet Routing Table: 2159 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 425650848 Equivalent to 25 /8s, 94 /16s and 234 /24s Percentage of available RIPE address space announced: 74.6 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: 28593 Total LACNIC prefixes after maximum aggregation: 6808 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 26992 Unique aggregates announced from the LACNIC address blocks: 13997 LACNIC Region origin ASes present in the Internet Routing Table: 1287 LACNIC Prefixes per ASN: 20.97 LACNIC Region origin ASes announcing only one prefix: 407 LACNIC Region transit ASes present in the Internet Routing Table: 223 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 73060608 Equivalent to 4 /8s, 90 /16s and 209 /24s Percentage of available LACNIC address space announced: 72.6 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: 7315 Total AfriNIC prefixes after maximum aggregation: 1835 AfriNIC Deaggregation factor: 3.99 Prefixes being announced from the AfriNIC address blocks: 5610 Unique aggregates announced from the AfriNIC address blocks: 1674 AfriNIC Region origin ASes present in the Internet Routing Table: 362 AfriNIC Prefixes per ASN: 15.50 AfriNIC Region origin ASes announcing only one prefix: 105 AfriNIC Region transit ASes present in the Internet Routing Table: 87 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 17840640 Equivalent to 1 /8s, 16 /16s and 58 /24s Percentage of available AfriNIC address space announced: 53.2 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 1848 8422 483 Korea Telecom (KIX) 17488 1316 140 123 Hathway IP Over Cable Interne 4755 1306 293 155 TATA Communications formerly 7545 1196 232 105 TPG Internet Pty Ltd 17974 995 281 18 PT TELEKOMUNIKASI INDONESIA 9583 993 73 484 Sify Limited 4134 936 21190 403 CHINANET-BACKBONE 24560 897 304 167 Bharti Airtel Ltd., Telemedia 4808 844 1589 215 CNCGROUP IP network: China169 9829 777 676 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 3929 3733 288 bellsouth.net, inc. 4323 3842 1116 406 Time Warner Telecom 1785 1784 699 131 PaeTec Communications, Inc. 7018 1550 5757 985 AT&T WorldNet Services 20115 1537 1505 655 Charter Communications 2386 1296 584 917 AT&T Data Communications Serv 6478 1240 256 108 AT&T Worldnet Services 3356 1200 10920 415 Level 3 Communications, LLC 22773 1170 2606 72 Cox Communications, Inc. 11492 1145 209 284 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 625 56 6 United Telecom of Georgia 3292 454 2027 393 TDC Tele Danmark 30890 440 116 206 Evolva Telecom 702 414 1869 329 UUNET - Commercial IP service 8551 403 356 37 Bezeq International 8866 393 117 18 Bulgarian Telecommunication C 3301 366 1421 322 TeliaNet Sweden 3320 365 7072 318 Deutsche Telekom AG 12479 336 576 5 Uni2 Autonomous System 3215 331 3218 100 France Telecom Transpac 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 1555 2965 245 UniNet S.A. de C.V. 10620 1037 233 151 TVCABLE BOGOTA 28573 886 729 86 NET Servicos de Comunicao S.A 7303 719 372 101 Telecom Argentina Stet-France 6503 576 173 209 AVANTEL, S.A. 22047 543 310 15 VTR PUNTO NET S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 467 201 73 Empresa Nacional de Telecomun 14117 448 30 13 Telefonica del Sur S.A. 11172 444 99 72 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 1250 445 10 TEDATA 24863 718 147 43 LINKdotNET AS number 36992 624 275 178 Etisalat MISR 3741 273 852 232 The Internet Solution 2018 216 231 112 Tertiary Education Network 33776 208 11 14 Starcomms Nigeria Limited 24835 177 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 3929 3733 288 bellsouth.net, inc. 4323 3842 1116 406 Time Warner Telecom 4766 1848 8422 483 Korea Telecom (KIX) 1785 1784 699 131 PaeTec Communications, Inc. 8151 1555 2965 245 UniNet S.A. de C.V. 7018 1550 5757 985 AT&T WorldNet Services 20115 1537 1505 655 Charter Communications 17488 1316 140 123 Hathway IP Over Cable Interne 4755 1306 293 155 TATA Communications formerly 2386 1296 584 917 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 3842 3436 Time Warner Telecom 1785 1784 1653 PaeTec Communications, Inc. 4766 1848 1365 Korea Telecom (KIX) 8151 1555 1310 UniNet S.A. de C.V. 8452 1250 1240 TEDATA 17488 1316 1193 Hathway IP Over Cable Interne 4755 1306 1151 TATA Communications formerly 6478 1240 1132 AT&T Worldnet Services 22773 1170 1098 Cox Communications, Inc. 7545 1196 1091 TPG Internet Pty Ltd 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 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 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 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 /10:26 /11:67 /12:193 /13:401 /14:690 /15:1264 /16:11060 /17:5278 /18:8974 /19:18281 /20:22561 /21:22664 /22:29485 /23:29142 /24:168304 /25:947 /26:1198 /27:622 /28:143 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2513 3929 bellsouth.net, inc. 4323 2332 3842 Time Warner Telecom 4766 1481 1848 Korea Telecom (KIX) 1785 1247 1784 PaeTec Communications, Inc. 8452 1128 1250 TEDATA 17488 1063 1316 Hathway IP Over Cable Interne 11492 1061 1145 Cable One 18566 1040 1059 Covad Communications 10620 953 1037 TVCABLE BOGOTA 7018 932 1550 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:13 8:264 12:2013 13:10 15:23 16:3 17:8 20:21 24:1414 27:55 31:1 32:47 33:12 38:669 40:98 41:2468 44:3 47:26 52:6 55:6 56:2 57:24 58:724 59:509 60:434 61:1087 62:1048 63:1980 64:3849 65:2363 66:4199 67:1838 68:1105 69:2813 70:710 71:243 72:1816 73:2 74:2280 75:251 76:306 77:872 78:625 79:412 80:1008 81:794 82:492 83:442 84:703 85:1049 86:459 87:698 88:329 89:1547 90:88 91:2755 92:475 93:1109 94:1416 95:597 96:248 97:311 98:545 99:28 108:16 109:475 110:347 111:494 112:257 113:285 114:400 115:591 116:1031 117:639 118:425 119:967 120:141 121:733 122:1438 123:888 124:1109 125:1292 128:209 129:210 130:192 131:560 132:246 133:17 134:194 135:45 136:228 137:172 138:255 139:92 140:483 141:137 142:354 143:388 144:476 145:52 146:430 147:165 148:608 149:288 150:153 151:169 152:262 153:167 154:2 155:329 156:184 157:324 158:107 159:372 160:311 161:205 162:262 163:174 164:408 165:532 166:480 167:393 168:785 169:161 170:701 171:51 172:1 173:733 174:616 175:91 176:1 178:88 180:469 182:60 183:251 184:41 186:379 187:345 188:1320 189:775 190:3649 192:5733 193:4696 194:3354 195:2774 196:1217 197:1 198:3569 199:3432 200:5354 201:1514 202:7976 203:8268 204:4060 205:2337 206:2540 207:3034 208:3920 209:3432 210:2505 211:1237 212:1731 213:1676 214:664 215:70 216:4588 217:1531 218:497 219:372 220:1105 221:400 222:291 End of report
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