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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 2 20:13:18 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 NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG and the RIPE Routing Working Group. 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 03 Jul, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 324314 Prefixes after maximum aggregation: 149409 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 158777 Total ASes present in the Internet Routing Table: 34277 Prefixes per ASN: 9.46 Origin-only ASes present in the Internet Routing Table: 29765 Origin ASes announcing only one prefix: 14419 Transit ASes present in the Internet Routing Table: 4512 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: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 269 Unregistered ASNs in the Routing Table: 114 Number of 32-bit ASNs allocated by the RIRs: 657 Prefixes from 32-bit ASNs in the Routing Table: 777 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 161 Number of addresses announced to Internet: 2252946208 Equivalent to 134 /8s, 73 /16s and 59 /24s Percentage of available address space announced: 60.8 Percentage of allocated address space announced: 65.5 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 83.6 Total number of prefixes smaller than registry allocations: 154912 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 78350 Total APNIC prefixes after maximum aggregation: 27003 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 75198 Unique aggregates announced from the APNIC address blocks: 33264 APNIC Region origin ASes present in the Internet Routing Table: 4098 APNIC Prefixes per ASN: 18.35 APNIC Region origin ASes announcing only one prefix: 1122 APNIC Region transit ASes present in the Internet Routing Table: 640 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 525699616 Equivalent to 31 /8s, 85 /16s and 138 /24s Percentage of available APNIC address space announced: 78.3 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, 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: 134542 Total ARIN prefixes after maximum aggregation: 69307 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107370 Unique aggregates announced from the ARIN address blocks: 41845 ARIN Region origin ASes present in the Internet Routing Table: 13759 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5287 ARIN Region transit ASes present in the Internet Routing Table: 1349 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 730656800 Equivalent to 43 /8s, 140 /16s and 240 /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: 74631 Total RIPE prefixes after maximum aggregation: 43298 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 67750 Unique aggregates announced from the RIPE address blocks: 44478 RIPE Region origin ASes present in the Internet Routing Table: 14568 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 7503 RIPE Region transit ASes present in the Internet Routing Table: 2158 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 433071392 Equivalent to 25 /8s, 208 /16s and 37 /24s Percentage of available RIPE address space announced: 75.9 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: 28481 Total LACNIC prefixes after maximum aggregation: 6882 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 27028 Unique aggregates announced from the LACNIC address blocks: 14292 LACNIC Region origin ASes present in the Internet Routing Table: 1296 LACNIC Prefixes per ASN: 20.85 LACNIC Region origin ASes announcing only one prefix: 394 LACNIC Region transit ASes present in the Internet Routing Table: 228 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 74937536 Equivalent to 4 /8s, 119 /16s and 116 /24s Percentage of available LACNIC address space announced: 55.8 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: 7313 Total AfriNIC prefixes after maximum aggregation: 1862 AfriNIC Deaggregation factor: 3.93 Prefixes being announced from the AfriNIC address blocks: 5614 Unique aggregates announced from the AfriNIC address blocks: 1738 AfriNIC Region origin ASes present in the Internet Routing Table: 378 AfriNIC Prefixes per ASN: 14.85 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 86 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19531520 Equivalent to 1 /8s, 42 /16s and 7 /24s Percentage of available AfriNIC address space announced: 58.2 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 1851 8423 487 Korea Telecom (KIX) 4755 1367 295 161 TATA Communications formerly 7545 1345 232 105 TPG Internet Pty Ltd 17488 1322 140 131 Hathway IP Over Cable Interne 17974 1152 285 30 PT TELEKOMUNIKASI INDONESIA 9583 994 73 487 Sify Limited 24560 927 307 171 Bharti Airtel Ltd., Telemedia 4134 876 21292 408 CHINANET-BACKBONE 4808 827 1572 216 CNCGROUP IP network: China169 9829 810 684 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 3910 3734 293 bellsouth.net, inc. 4323 2715 1114 394 Time Warner Telecom 19262 1825 4562 275 Verizon Global Networks 1785 1777 698 129 PaeTec Communications, Inc. 20115 1561 1520 655 Charter Communications 7018 1508 5736 957 AT&T WorldNet Services 6478 1289 260 91 AT&T Worldnet Services 2386 1282 568 906 AT&T Data Communications Serv 3356 1176 10875 404 Level 3 Communications, LLC 22773 1167 2859 65 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 648 56 6 United Telecom of Georgia 3292 452 2027 393 TDC Tele Danmark 30890 443 111 205 Evolva Telecom 702 411 1869 327 UUNET - Commercial IP service 9198 408 202 13 Kazakhtelecom Data Network Ad 8866 402 117 18 Bulgarian Telecommunication C 8551 400 353 46 Bezeq International 3320 373 7329 324 Deutsche Telekom AG 3301 372 1414 327 TeliaNet Sweden 34984 360 89 185 BILISIM TELEKOM 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 1518 3017 245 UniNet S.A. de C.V. 10620 1066 238 150 TVCABLE BOGOTA 28573 1023 791 97 NET Servicos de Comunicao S.A 7303 748 385 106 Telecom Argentina Stet-France 6503 554 137 183 AVANTEL, S.A. 22047 548 310 15 VTR PUNTO NET S.A. 3816 495 217 81 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 14420 471 33 69 ANDINATEL S.A. 11172 449 99 76 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 1152 445 10 TEDATA 24863 728 147 39 LINKdotNET AS number 36992 644 279 184 Etisalat MISR 3741 267 834 228 The Internet Solution 33776 219 12 11 Starcomms Nigeria Limited 2018 210 244 61 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 24835 192 78 10 RAYA Telecom - Egypt 29571 176 19 10 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 3910 3734 293 bellsouth.net, inc. 4323 2715 1114 394 Time Warner Telecom 4766 1851 8423 487 Korea Telecom (KIX) 19262 1825 4562 275 Verizon Global Networks 1785 1777 698 129 PaeTec Communications, Inc. 20115 1561 1520 655 Charter Communications 8151 1518 3017 245 UniNet S.A. de C.V. 7018 1508 5736 957 AT&T WorldNet Services 4755 1367 295 161 TATA Communications formerly 7545 1345 232 105 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2715 2321 Time Warner Telecom 1785 1777 1648 PaeTec Communications, Inc. 19262 1825 1550 Verizon Global Networks 4766 1851 1364 Korea Telecom (KIX) 8151 1518 1273 UniNet S.A. de C.V. 7545 1345 1240 TPG Internet Pty Ltd 4755 1367 1206 TATA Communications formerly 6478 1289 1198 AT&T Worldnet Services 17488 1322 1191 Hathway IP Over Cable Interne 8452 1152 1142 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 12.39.155.0/24 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 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 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 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 /8:20 /9:10 /10:25 /11:68 /12:196 /13:406 /14:707 /15:1285 /16:11156 /17:5338 /18:9126 /19:18399 /20:22806 /21:22871 /22:29932 /23:29604 /24:169130 /25:1031 /26:1320 /27:707 /28:117 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2504 3910 bellsouth.net, inc. 4766 1482 1851 Korea Telecom (KIX) 4323 1396 2715 Time Warner Telecom 1785 1239 1777 PaeTec Communications, Inc. 11492 1070 1160 Cable One 17488 1069 1322 Hathway IP Over Cable Interne 18566 1069 1088 Covad Communications 8452 1040 1152 TEDATA 10620 982 1066 TVCABLE BOGOTA 7018 911 1508 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:6 2:10 4:13 8:286 12:2012 13:7 14:1 15:23 16:3 17:8 20:17 24:1452 27:187 31:1 32:48 33:12 38:679 40:98 41:2440 44:3 47:12 52:9 55:4 56:2 57:25 58:749 59:501 60:459 61:1090 62:1055 63:1977 64:3659 65:2361 66:4037 67:1810 68:1105 69:2874 70:723 71:380 72:1953 73:2 74:2263 75:253 76:313 77:952 78:604 79:437 80:981 81:799 82:489 83:435 84:710 85:1053 86:452 87:678 88:342 89:1567 90:93 91:2847 92:489 93:985 94:1400 95:637 96:352 97:207 98:574 99:29 108:97 109:551 110:364 111:535 112:266 113:315 114:427 115:563 116:1073 117:661 118:483 119:944 120:127 121:728 122:1452 123:927 124:1122 125:1321 128:226 129:202 130:196 131:555 132:251 133:17 134:197 135:42 136:241 137:159 138:264 139:104 140:480 141:198 142:346 143:392 144:452 145:50 146:435 147:168 148:606 149:301 150:149 151:230 152:302 153:169 154:2 155:328 156:157 157:319 158:107 159:378 160:316 161:181 162:254 163:176 164:408 165:365 166:462 167:404 168:652 169:157 170:713 171:58 172:2 173:875 174:468 175:105 176:1 178:248 180:516 182:147 183:228 184:103 186:487 187:387 188:993 189:744 190:3742 192:5739 193:4714 194:3365 195:2798 196:1181 198:3573 199:3452 200:5258 201:1523 202:7942 203:8278 204:4070 205:2339 206:2521 207:3105 208:3871 209:3443 210:2523 211:1265 212:1694 213:1666 214:637 215:68 216:4659 217:1522 218:493 219:379 220:1134 221:398 222:314 223:1 End of report
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