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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 18 Jul, 2010
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 325055 Prefixes after maximum aggregation: 149816 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 158948 Total ASes present in the Internet Routing Table: 34369 Prefixes per ASN: 9.46 Origin-only ASes present in the Internet Routing Table: 29844 Origin ASes announcing only one prefix: 14449 Transit ASes present in the Internet Routing Table: 4525 Transit-only ASes present in the Internet Routing Table: 102 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: 304 Unregistered ASNs in the Routing Table: 117 Number of 32-bit ASNs allocated by the RIRs: 693 Prefixes from 32-bit ASNs in the Routing Table: 827 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 166 Number of addresses announced to Internet: 2275068992 Equivalent to 135 /8s, 154 /16s and 204 /24s Percentage of available address space announced: 61.4 Percentage of allocated address space announced: 66.2 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 83.8 Total number of prefixes smaller than registry allocations: 154690
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 78954 Total APNIC prefixes after maximum aggregation: 27114 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 75853 Unique aggregates announced from the APNIC address blocks: 33499 APNIC Region origin ASes present in the Internet Routing Table: 4110 APNIC Prefixes per ASN: 18.46 APNIC Region origin ASes announcing only one prefix: 1133 APNIC Region transit ASes present in the Internet Routing Table: 633 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 531278880 Equivalent to 31 /8s, 170 /16s and 172 /24s Percentage of available APNIC address space announced: 79.2
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: 134189 Total ARIN prefixes after maximum aggregation: 69425 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107054 Unique aggregates announced from the ARIN address blocks: 41936 ARIN Region origin ASes present in the Internet Routing Table: 13796 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5278 ARIN Region transit ASes present in the Internet Routing Table: 1358 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 729628192 Equivalent to 43 /8s, 125 /16s and 62 /24s Percentage of available ARIN address space announced: 62.1
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: 74803 Total RIPE prefixes after maximum aggregation: 43411 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 67981 Unique aggregates announced from the RIPE address blocks: 44465 RIPE Region origin ASes present in the Internet Routing Table: 14608 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 7512 RIPE Region transit ASes present in the Internet Routing Table: 2179 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 434094208 Equivalent to 25 /8s, 223 /16s and 192 /24s Percentage of available RIPE address space announced: 76.1
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: 29105 Total LACNIC prefixes after maximum aggregation: 6957 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 27609 Unique aggregates announced from the LACNIC address blocks: 14504 LACNIC Region origin ASes present in the Internet Routing Table: 1309 LACNIC Prefixes per ASN: 21.09 LACNIC Region origin ASes announcing only one prefix: 410 LACNIC Region transit ASes present in the Internet Routing Table: 229 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 75609472 Equivalent to 4 /8s, 129 /16s and 181 /24s Percentage of available LACNIC address space announced: 56.3
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: 6929 Total AfriNIC prefixes after maximum aggregation: 1787 AfriNIC Deaggregation factor: 3.88 Prefixes being announced from the AfriNIC address blocks: 5459 Unique aggregates announced from the AfriNIC address blocks: 1591 AfriNIC Region origin ASes present in the Internet Routing Table: 374 AfriNIC Prefixes per ASN: 14.60 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19587328 Equivalent to 1 /8s, 42 /16s and 225 /24s Percentage of available AfriNIC address space announced: 58.4
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 1859 8425 493 Korea Telecom (KIX) 7545 1379 232 105 TPG Internet Pty Ltd 4755 1376 297 159 TATA Communications formerly 17488 1333 145 127 Hathway IP Over Cable Interne 17974 1162 285 50 PT TELEKOMUNIKASI INDONESIA 9583 1001 74 485 Sify Limited 24560 959 305 178 Bharti Airtel Ltd., Telemedia 4134 879 21740 411 CHINANET-BACKBONE 4808 828 1575 219 CNCGROUP IP network: China169 9829 813 685 32 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 3889 3718 290 bellsouth.net, inc. 4323 2719 1112 394 Time Warner Telecom 19262 1828 4564 275 Verizon Global Networks 1785 1780 698 129 PaeTec Communications, Inc. 20115 1546 1524 652 Charter Communications 7018 1482 5730 963 AT&T WorldNet Services 2386 1283 568 904 AT&T Data Communications Serv 6478 1254 251 196 AT&T Worldnet Services 22773 1173 2859 65 Cox Communications, Inc. 3356 1161 10879 404 Level 3 Communications, LLC
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 652 56 6 United Telecom of Georgia 9198 497 202 13 Kazakhtelecom Data Network Ad 3292 452 2027 393 TDC Tele Danmark 30890 440 111 206 Evolva Telecom 702 413 1869 325 UUNET - Commercial IP service 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 362 89 183 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 1528 3049 247 UniNet S.A. de C.V. 10620 1072 240 149 TVCABLE BOGOTA 28573 1041 812 99 NET Servicos de Comunicao S.A 7303 761 391 105 Telecom Argentina Stet-France 6503 701 177 219 AVANTEL, S.A. 22047 551 310 15 VTR PUNTO NET S.A. 3816 503 218 88 Empresa Nacional de Telecomun 14420 498 32 72 CORPORACION NACIONAL DE TELEC 7738 477 922 30 Telecomunicacoes da Bahia 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 1103 445 10 TEDATA 24863 727 147 39 LINKdotNET AS number 36992 650 279 185 Etisalat MISR 3741 267 834 229 The Internet Solution 33776 220 12 12 Starcomms Nigeria Limited 6713 195 186 16 Itissalat Al-MAGHRIB 24835 189 78 9 RAYA Telecom - Egypt 29571 177 19 10 Ci Telecom Autonomous system 16637 166 440 95 MTN Network Solutions 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 3889 3718 290 bellsouth.net, inc. 4323 2719 1112 394 Time Warner Telecom 4766 1859 8425 493 Korea Telecom (KIX) 19262 1828 4564 275 Verizon Global Networks 1785 1780 698 129 PaeTec Communications, Inc. 20115 1546 1524 652 Charter Communications 8151 1528 3049 247 UniNet S.A. de C.V. 7018 1482 5730 963 AT&T WorldNet Services 7545 1379 232 105 TPG Internet Pty Ltd 4755 1376 297 159 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 2719 2325 Time Warner Telecom 1785 1780 1651 PaeTec Communications, Inc. 19262 1828 1553 Verizon Global Networks 4766 1859 1366 Korea Telecom (KIX) 8151 1528 1281 UniNet S.A. de C.V. 7545 1379 1274 TPG Internet Pty Ltd 4755 1376 1217 TATA Communications formerly 17488 1333 1206 Hathway IP Over Cable Interne 17974 1162 1112 PT TELEKOMUNIKASI INDONESIA 22773 1173 1108 Cox Communications, Inc.
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 /8:21 /9:10 /10:25 /11:68 /12:197 /13:408 /14:713 /15:1289 /16:11171 /17:5349 /18:9181 /19:18458 /20:23044 /21:23017 /22:29899 /23:29527 /24:169455 /25:1036 /26:1292 /27:715 /28:120 /29:47 /30:6 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2490 3889 bellsouth.net, inc. 4766 1487 1859 Korea Telecom (KIX) 4323 1392 2719 Time Warner Telecom 1785 1241 1780 PaeTec Communications, Inc. 17488 1078 1333 Hathway IP Over Cable Interne 11492 1068 1160 Cable One 18566 1068 1087 Covad Communications 8452 995 1103 TEDATA 10620 988 1072 TVCABLE BOGOTA 7018 885 1482 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:10 2:2 4:13 8:287 12:2018 13:7 14:1 15:22 16:3 17:8 20:6 24:1465 27:251 31:1 32:49 33:12 38:689 40:98 41:2293 44:3 46:2 47:17 52:9 55:5 56:2 57:28 58:752 59:503 60:461 61:1089 62:1042 63:1969 64:3678 65:2349 66:4041 67:1829 68:1107 69:2692 70:723 71:385 72:1947 73:2 74:2257 75:249 76:316 77:897 78:619 79:427 80:966 81:765 82:492 83:444 84:680 85:1051 86:456 87:682 88:340 89:1564 90:94 91:2879 92:502 93:989 94:1402 95:645 96:356 97:212 98:607 99:31 108:100 109:568 110:384 111:547 112:286 113:322 114:430 115:569 116:1089 117:653 118:482 119:879 120:131 121:728 122:1485 123:946 124:1116 125:1321 128:227 129:199 130:196 131:553 132:247 133:17 134:194 135:45 136:241 137:146 138:265 139:104 140:484 141:197 142:337 143:365 144:470 145:50 146:434 147:167 148:660 149:301 150:153 151:229 152:293 153:166 154:2 155:334 156:160 157:323 158:109 159:356 160:316 161:183 162:251 163:177 164:405 165:365 166:458 167:414 168:648 169:157 170:714 171:59 172:2 173:941 174:485 175:146 176:1 178:301 180:523 182:149 183:235 184:111 186:501 187:391 188:1007 189:773 190:3821 192:5718 193:4719 194:3396 195:2798 196:1099 198:3560 199:3456 200:5344 201:1563 202:7975 203:8286 204:4067 205:2320 206:2487 207:3113 208:3867 209:3454 210:2529 211:1273 212:1712 213:1662 214:633 215:69 216:4703 217:1525 218:498 219:378 220:1150 221:402 222:312 223:1
End of report
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