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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 11 Apr, 2013
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 449215 Prefixes after maximum aggregation: 184122 Deaggregation factor: 2.44 Unique aggregates announced to Internet: 221638 Total ASes present in the Internet Routing Table: 43792 Prefixes per ASN: 10.26 Origin-only ASes present in the Internet Routing Table: 34439 Origin ASes announcing only one prefix: 16061 Transit ASes present in the Internet Routing Table: 5790 Transit-only ASes present in the Internet Routing Table: 140 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 29 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 377 Unregistered ASNs in the Routing Table: 138 Number of 32-bit ASNs allocated by the RIRs: 4707 Number of 32-bit ASNs visible in the Routing Table: 3563 Prefixes from 32-bit ASNs in the Routing Table: 10106 Special use prefixes present in the Routing Table: 18 Prefixes being announced from unallocated address space: 212 Number of addresses announced to Internet: 2629498220 Equivalent to 156 /8s, 186 /16s and 245 /24s Percentage of available address space announced: 71.0 Percentage of allocated address space announced: 71.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.4 Total number of prefixes smaller than registry allocations: 158672
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 107916 Total APNIC prefixes after maximum aggregation: 33351 APNIC Deaggregation factor: 3.24 Prefixes being announced from the APNIC address blocks: 109145 Unique aggregates announced from the APNIC address blocks: 44360 APNIC Region origin ASes present in the Internet Routing Table: 4818 APNIC Prefixes per ASN: 22.65 APNIC Region origin ASes announcing only one prefix: 1223 APNIC Region transit ASes present in the Internet Routing Table: 821 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 493 Number of APNIC addresses announced to Internet: 720712416 Equivalent to 42 /8s, 245 /16s and 50 /24s Percentage of available APNIC address space announced: 84.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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, 150/8, 153/8, 163/8, 171/8, 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: 157643 Total ARIN prefixes after maximum aggregation: 79582 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 158341 Unique aggregates announced from the ARIN address blocks: 72481 ARIN Region origin ASes present in the Internet Routing Table: 15612 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5937 ARIN Region transit ASes present in the Internet Routing Table: 1609 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 18 Number of ARIN addresses announced to Internet: 1079396736 Equivalent to 64 /8s, 86 /16s and 73 /24s Percentage of available ARIN address space announced: 57.1
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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 115693 Total RIPE prefixes after maximum aggregation: 59274 RIPE Deaggregation factor: 1.95 Prefixes being announced from the RIPE address blocks: 119180 Unique aggregates announced from the RIPE address blocks: 76698 RIPE Region origin ASes present in the Internet Routing Table: 17129 RIPE Prefixes per ASN: 6.96 RIPE Region origin ASes announcing only one prefix: 8155 RIPE Region transit ASes present in the Internet Routing Table: 2797 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2288 Number of RIPE addresses announced to Internet: 656335588 Equivalent to 39 /8s, 30 /16s and 226 /24s Percentage of available RIPE address space announced: 95.4
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, 56320-58367 59392-61439, 196608-199679 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 47694 Total LACNIC prefixes after maximum aggregation: 9381 LACNIC Deaggregation factor: 5.08 Prefixes being announced from the LACNIC address blocks: 51705 Unique aggregates announced from the LACNIC address blocks: 24042 LACNIC Region origin ASes present in the Internet Routing Table: 1889 LACNIC Prefixes per ASN: 27.37 LACNIC Region origin ASes announcing only one prefix: 558 LACNIC Region transit ASes present in the Internet Routing Table: 351 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 757 Number of LACNIC addresses announced to Internet: 126395688 Equivalent to 7 /8s, 136 /16s and 165 /24s Percentage of available LACNIC address space announced: 75.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-62463, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 10021 Total AfriNIC prefixes after maximum aggregation: 2486 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 10632 Unique aggregates announced from the AfriNIC address blocks: 3860 AfriNIC Region origin ASes present in the Internet Routing Table: 613 AfriNIC Prefixes per ASN: 17.34 AfriNIC Region origin ASes announcing only one prefix: 188 AfriNIC Region transit ASes present in the Internet Routing Table: 127 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 46281472 Equivalent to 2 /8s, 194 /16s and 51 /24s Percentage of available AfriNIC address space announced: 46.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 2958 11558 924 Korea Telecom (KIX) 17974 2506 840 89 PT TELEKOMUNIKASI INDONESIA 7545 1868 302 95 TPG Internet Pty Ltd 4755 1734 392 198 TATA Communications formerly 9829 1511 1205 40 BSNL National Internet Backbo 9583 1283 98 538 Sify Limited 7552 1137 1066 12 Vietel Corporation 4808 1121 2109 325 CNCGROUP IP network: China169 9498 1069 310 73 BHARTI Airtel Ltd. 24560 1065 385 163 Bharti Airtel Ltd., Telemedia
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 3037 3694 87 bellsouth.net, inc. 7029 2174 1265 212 Windstream Communications Inc 18566 2068 382 184 Covad Communications 22773 2011 2929 125 Cox Communications, Inc. 1785 1975 677 123 PaeTec Communications, Inc. 20115 1668 1610 610 Charter Communications 4323 1607 1139 397 Time Warner Telecom 30036 1338 296 656 Mediacom Communications Corp 7018 1318 10808 857 AT&T WorldNet Services 11492 1216 223 331 Cable One
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 8402 1869 544 16 Corbina telecom 34984 1145 234 207 BILISIM TELEKOM 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 12479 844 786 66 Uni2 Autonomous System 13188 837 99 33 Educational Network 20940 822 288 653 Akamai Technologies European 31148 791 41 21 FreeNet ISP 6830 752 2318 442 UPC Distribution Services 8551 734 368 56 Bezeq International 58113 666 74 386 LIR DATACENTER TELECOM SRL
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 28573 2582 1433 98 NET Servicos de Comunicao S.A 10620 2360 409 223 TVCABLE BOGOTA 7303 1674 1153 211 Telecom Argentina Stet-France 8151 1227 2684 398 UniNet S.A. de C.V. 6503 1151 435 68 AVANTEL, S.A. 14754 1138 153 37 Telgua S. A. 18881 850 716 18 Global Village Telecom 27947 807 88 95 Telconet S.A 11830 725 364 14 Instituto Costarricense de El 3816 695 306 85 Empresa Nacional de Telecomun
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 36998 1137 80 4 MOBITEL 24863 686 274 33 LINKdotNET AS number 6713 541 617 25 Itissalat Al-MAGHRIB 8452 355 956 9 TEDATA 24835 277 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 29975 191 667 21 Vodacom 16637 187 698 88 MTN Network Solutions 33776 163 11 15 Starcomms Nigeria Limited
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 3037 3694 87 bellsouth.net, inc. 4766 2958 11558 924 Korea Telecom (KIX) 28573 2582 1433 98 NET Servicos de Comunicao S.A 17974 2506 840 89 PT TELEKOMUNIKASI INDONESIA 10620 2360 409 223 TVCABLE BOGOTA 7029 2174 1265 212 Windstream Communications Inc 18566 2068 382 184 Covad Communications 22773 2011 2929 125 Cox Communications, Inc. 1785 1975 677 123 PaeTec Communications, Inc. 8402 1869 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 28573 2582 2484 NET Servicos de Comunicao S.A 17974 2506 2417 PT TELEKOMUNIKASI INDONESIA 10620 2360 2137 TVCABLE BOGOTA 4766 2958 2034 Korea Telecom (KIX) 7029 2174 1962 Windstream Communications Inc 22773 2011 1886 Cox Communications, Inc. 18566 2068 1884 Covad Communications 8402 1869 1853 Corbina telecom 1785 1975 1852 PaeTec Communications, Inc. 7545 1868 1773 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks 26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 128.0.0.0/24 2876 Jump Management SRL 128.0.16.0/21 43568 RIPE Network Coordination Cen 128.0.24.0/21 41794 Altline LLC 128.0.55.0/24 48571 SC efectRO SRL 128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.96.0/21 12886 LEWTelNet GmbH 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 41.222.80.0/21 37110 Moztel LDA 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 27431 JTL Networks Inc. 64.185.230.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:29 /11:88 /12:248 /13:485 /14:884 /15:1559 /16:12683 /17:6610 /18:10919 /19:21811 /20:31874 /21:33779 /22:46587 /23:41663 /24:235797 /25:1388 /26:1768 /27:862 /28:47 /29:67 /30:18 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 2019 2068 Covad Communications 6389 1742 3037 bellsouth.net, inc. 7029 1613 2174 Windstream Communications Inc 8402 1567 1869 Corbina telecom 22773 1316 2011 Cox Communications, Inc. 30036 1215 1338 Mediacom Communications Corp 11492 1178 1216 Cable One 36998 1131 1137 MOBITEL 1785 1047 1975 PaeTec Communications, Inc. 6983 930 1044 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:763 2:796 3:3 4:15 5:850 6:4 8:522 12:1918 13:3 14:771 15:11 16:3 17:9 20:19 23:255 24:1774 27:1446 31:1191 32:42 33:2 34:5 36:41 37:1683 38:861 39:2 40:169 41:2606 42:185 44:6 46:1778 47:2 49:622 50:678 52:12 54:30 55:9 57:27 58:1105 59:587 60:305 61:1448 62:999 63:2036 64:4281 65:2181 66:4278 67:2065 68:1119 69:3249 70:875 71:528 72:1900 74:2562 75:411 76:289 77:1096 78:1046 79:587 80:1229 81:975 82:613 83:576 84:570 85:1154 86:463 87:961 88:526 89:1773 90:281 91:5474 92:615 93:1708 94:1868 95:1577 96:503 97:340 98:1052 99:41 100:29 101:309 103:2388 105:488 106:132 107:207 108:516 109:1827 110:853 111:1047 112:499 113:764 114:687 115:1015 116:879 117:781 118:1017 119:1264 120:386 121:817 122:1726 123:1181 124:1333 125:1327 128:631 129:226 130:332 131:656 132:329 133:148 134:259 135:62 136:221 137:247 138:344 139:184 140:199 141:317 142:542 143:373 144:487 145:93 146:504 147:379 148:697 149:366 150:163 151:528 152:418 153:194 154:44 155:388 156:259 157:392 158:271 159:714 160:337 161:424 162:380 163:202 164:578 165:450 166:334 167:578 168:1023 169:133 170:1024 171:173 172:4 173:1589 174:580 175:445 176:1183 177:1857 178:1782 179:2 180:1386 181:373 182:1131 183:364 184:662 185:339 186:2434 187:1253 188:1990 189:1362 190:6640 192:6494 193:5659 194:4515 195:3479 196:1324 197:811 198:4323 199:5283 200:6023 201:2372 202:8846 203:8763 204:4513 205:2556 206:2803 207:2827 208:4060 209:3550 210:2929 211:1558 212:2016 213:1941 214:935 215:98 216:5196 217:1570 218:620 219:347 220:1270 221:547 222:314 223:445
End of report
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