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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 02 Nov, 2014
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 518248 Prefixes after maximum aggregation: 199512 Deaggregation factor: 2.60 Unique aggregates announced to Internet: 253156 Total ASes present in the Internet Routing Table: 48414 Prefixes per ASN: 10.70 Origin-only ASes present in the Internet Routing Table: 36259 Origin ASes announcing only one prefix: 16327 Transit ASes present in the Internet Routing Table: 6176 Transit-only ASes present in the Internet Routing Table: 170 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 93 Max AS path prepend of ASN ( 55644) 86 Prefixes from unregistered ASNs in the Routing Table: 1798 Unregistered ASNs in the Routing Table: 423 Number of 32-bit ASNs allocated by the RIRs: 7792 Number of 32-bit ASNs visible in the Routing Table: 5979 Prefixes from 32-bit ASNs in the Routing Table: 21244 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 366 Number of addresses announced to Internet: 2712848548 Equivalent to 161 /8s, 178 /16s and 200 /24s Percentage of available address space announced: 73.3 Percentage of allocated address space announced: 73.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.9 Total number of prefixes smaller than registry allocations: 176859
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 128605 Total APNIC prefixes after maximum aggregation: 36804 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 132644 Unique aggregates announced from the APNIC address blocks: 53293 APNIC Region origin ASes present in the Internet Routing Table: 4966 APNIC Prefixes per ASN: 26.71 APNIC Region origin ASes announcing only one prefix: 1194 APNIC Region transit ASes present in the Internet Routing Table: 857 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 93 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1150 Number of APNIC addresses announced to Internet: 736587616 Equivalent to 43 /8s, 231 /16s and 111 /24s Percentage of available APNIC address space announced: 86.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 131072-135580 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: 171886 Total ARIN prefixes after maximum aggregation: 85307 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 173739 Unique aggregates announced from the ARIN address blocks: 81438 ARIN Region origin ASes present in the Internet Routing Table: 16380 ARIN Prefixes per ASN: 10.61 ARIN Region origin ASes announcing only one prefix: 6083 ARIN Region transit ASes present in the Internet Routing Table: 1701 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 247 Number of ARIN addresses announced to Internet: 1053117632 Equivalent to 62 /8s, 197 /16s and 76 /24s Percentage of available ARIN address space announced: 55.7
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, 62464-63487, 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: 125640 Total RIPE prefixes after maximum aggregation: 63684 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 131090 Unique aggregates announced from the RIPE address blocks: 82694 RIPE Region origin ASes present in the Internet Routing Table: 17791 RIPE Prefixes per ASN: 7.37 RIPE Region origin ASes announcing only one prefix: 8181 RIPE Region transit ASes present in the Internet Routing Table: 2912 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3159 Number of RIPE addresses announced to Internet: 691538820 Equivalent to 41 /8s, 56 /16s and 11 /24s Percentage of available RIPE address space announced: 100.5
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, 61952-62463, 196608-202239 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: 58652 Total LACNIC prefixes after maximum aggregation: 10788 LACNIC Deaggregation factor: 5.44 Prefixes being announced from the LACNIC address blocks: 67464 Unique aggregates announced from the LACNIC address blocks: 30621 LACNIC Region origin ASes present in the Internet Routing Table: 2367 LACNIC Prefixes per ASN: 28.50 LACNIC Region origin ASes announcing only one prefix: 657 LACNIC Region transit ASes present in the Internet Routing Table: 467 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1364 Number of LACNIC addresses announced to Internet: 168379392 Equivalent to 10 /8s, 9 /16s and 68 /24s Percentage of available LACNIC address space announced: 100.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-265628 + 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: 12119 Total AfriNIC prefixes after maximum aggregation: 2885 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 12945 Unique aggregates announced from the AfriNIC address blocks: 4777 AfriNIC Region origin ASes present in the Internet Routing Table: 731 AfriNIC Prefixes per ASN: 17.71 AfriNIC Region origin ASes announcing only one prefix: 212 AfriNIC Region transit ASes present in the Internet Routing Table: 155 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 59 Number of AfriNIC addresses announced to Internet: 59793664 Equivalent to 3 /8s, 144 /16s and 97 /24s Percentage of available AfriNIC address space announced: 59.4
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 2950 11584 926 Korea Telecom 17974 2824 903 77 PT Telekomunikasi Indonesia 7545 2433 336 125 TPG Telecom Limited 4755 1914 412 188 TATA Communications formerly 9829 1671 1322 37 National Internet Backbone 4812 1520 2098 109 China Telecom (Group) 9808 1475 6639 15 Guangdong Mobile Communicatio 4808 1424 2211 423 CNCGROUP IP network China169 9583 1360 111 559 Sify Limited 9498 1312 333 94 BHARTI Airtel Ltd.
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 2894 3688 51 BellSouth.net Inc. 22773 2844 2940 143 Cox Communications Inc. 18566 2045 379 184 MegaPath Corporation 7029 1976 1960 314 Windstream Communications Inc 20115 1815 1794 477 Charter Communications 4323 1634 1052 408 tw telecom holdings, inc. 6983 1542 867 250 ITC^Deltacom 30036 1487 309 611 Mediacom Communications Corp 701 1426 11266 710 MCI Communications Services, 22561 1321 409 247 CenturyTel Internet Holdings,
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 34984 1840 297 352 TELLCOM ILETISIM HIZMETLERI A 20940 1531 600 1128 Akamai International B.V. 8402 1377 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 1037 100 29 TOV "Bank-Inform" 8551 955 373 43 Bezeq International-Ltd 6849 829 356 26 JSC "Ukrtelecom" 6830 782 2339 435 Liberty Global Operations B.V 9198 776 346 30 JSC Kazakhtelecom 12479 757 785 96 France Telecom Espana SA
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 3035 494 238 Telmex Colombia S.A. 28573 2569 2317 107 NET Serviços de Comunicação S 6147 1780 374 30 Telefonica del Peru S.A.A. 7303 1765 1171 241 Telecom Argentina S.A. 8151 1481 3019 432 Uninet S.A. de C.V. 6503 1163 434 59 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 27947 916 130 52 Telconet S.A 26615 899 2325 35 Tim Celular S.A. 3816 893 384 146 COLOMBIA TELECOMUNICACIONES S
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 1392 958 13 TE-AS 24863 958 280 26 Link Egypt (Link.NET) 6713 678 760 38 Office National des Postes et 36992 328 824 29 ETISALAT MISR 24835 308 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37054 232 19 6 Data Telecom Service 37457 184 161 6 Telkom SA Ltd. 36947 177 807 13 Telecom Algeria
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 10620 3035 494 238 Telmex Colombia S.A. 4766 2950 11584 926 Korea Telecom 6389 2894 3688 51 BellSouth.net Inc. 22773 2844 2940 143 Cox Communications Inc. 17974 2824 903 77 PT Telekomunikasi Indonesia 28573 2569 2317 107 NET Serviços de Comunicação S 7545 2433 336 125 TPG Telecom Limited 18566 2045 379 184 MegaPath Corporation 7029 1976 1960 314 Windstream Communications Inc 4755 1914 412 188 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 6389 2894 2843 BellSouth.net Inc. 17974 2824 2747 PT Telekomunikasi Indonesia 22773 2844 2701 Cox Communications Inc. 28573 2569 2462 NET Serviços de Comunicação S 7545 2433 2308 TPG Telecom Limited 4766 2950 2024 Korea Telecom 18566 2045 1861 MegaPath Corporation 6147 1780 1750 Telefonica del Peru S.A.A. 4755 1914 1726 TATA Communications formerly 7029 1976 1662 Windstream Communications Inc
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<<
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 /8:16 /9:12 /10:31 /11:90 /12:262 /13:501 /14:1011 /15:1715 /16:13044 /17:7208 /18:11938 /19:25089 /20:35372 /21:37376 /22:55371 /23:48631 /24:277641 /25:1104 /26:1062 /27:715 /28:15 /29:19 /30:11 /31:1 /32:13
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 22773 2065 2844 Cox Communications Inc. 18566 2000 2045 MegaPath Corporation 6389 1674 2894 BellSouth.net Inc. 6147 1346 1780 Telefonica del Peru S.A.A. 30036 1334 1487 Mediacom Communications Corp 6983 1228 1542 ITC^Deltacom 7029 1196 1976 Windstream Communications Inc 34984 1160 1840 TELLCOM ILETISIM HIZMETLERI A 11492 1135 1185 CABLE ONE, INC. 8402 1069 1377 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1342 2:678 3:3 4:17 5:1185 6:21 8:773 12:1848 13:5 14:1181 15:17 16:2 17:42 18:21 20:51 23:949 24:1765 27:1796 31:1339 32:41 33:2 34:5 36:157 37:1809 38:1004 39:14 40:234 41:2962 42:336 43:575 44:20 45:77 46:2064 47:28 49:747 50:806 52:12 54:57 55:4 56:8 57:32 58:1143 59:632 60:435 61:1755 62:1236 63:1837 64:4414 65:2271 66:4183 67:2032 68:1093 69:3267 70:875 71:486 72:1984 74:2605 75:373 76:409 77:1613 78:977 79:764 80:1309 81:1286 82:800 83:658 84:715 85:1358 86:429 87:1190 88:503 89:1811 90:138 91:5809 92:799 93:1642 94:1938 95:1291 96:426 97:340 98:1097 99:48 100:67 101:742 103:5943 104:504 105:157 106:184 107:654 108:596 109:1991 110:1041 111:1419 112:723 113:910 114:793 115:1225 116:1173 117:1005 118:1555 119:1385 120:738 121:968 122:2209 123:1691 124:1474 125:1534 128:614 129:387 130:370 131:923 132:399 133:165 134:323 135:82 136:324 137:318 138:383 139:201 140:220 141:419 142:601 143:442 144:515 145:111 146:677 147:556 148:1043 149:408 150:513 151:640 152:475 153:241 154:404 155:621 156:382 157:331 158:278 159:921 160:334 161:601 162:1811 163:369 164:644 165:670 166:363 167:690 168:1128 169:119 170:1424 171:191 172:60 173:1639 174:709 175:611 176:1539 177:3687 178:2092 179:803 180:1743 181:1793 182:1670 183:694 184:710 185:2281 186:2971 187:1696 188:2039 189:1533 190:7918 191:773 192:7746 193:5550 194:4054 195:3621 196:1639 197:775 198:5303 199:5475 200:6486 201:2915 202:9108 203:9010 204:4695 205:2653 206:3097 207:2977 208:3923 209:3762 210:3327 211:1852 212:2425 213:2197 214:846 215:84 216:5615 217:1713 218:673 219:388 220:1378 221:824 222:567 223:690
End of report
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