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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 16 Mar, 2016
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 586685 Prefixes after maximum aggregation (per Origin AS): 215864 Deaggregation factor: 2.72 Unique aggregates announced (without unneeded subnets): 286522 Total ASes present in the Internet Routing Table: 53103 Prefixes per ASN: 11.05 Origin-only ASes present in the Internet Routing Table: 36597 Origin ASes announcing only one prefix: 15784 Transit ASes present in the Internet Routing Table: 6410 Transit-only ASes present in the Internet Routing Table: 166 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 39 Max AS path prepend of ASN ( 40285) 34 Prefixes from unregistered ASNs in the Routing Table: 967 Unregistered ASNs in the Routing Table: 358 Number of 32-bit ASNs allocated by the RIRs: 13063 Number of 32-bit ASNs visible in the Routing Table: 10096 Prefixes from 32-bit ASNs in the Routing Table: 39435 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 341 Number of addresses announced to Internet: 2808637892 Equivalent to 167 /8s, 104 /16s and 105 /24s Percentage of available address space announced: 75.9 Percentage of allocated address space announced: 75.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.0 Total number of prefixes smaller than registry allocations: 192310
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 149893 Total APNIC prefixes after maximum aggregation: 41770 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 159890 Unique aggregates announced from the APNIC address blocks: 65041 APNIC Region origin ASes present in the Internet Routing Table: 5157 APNIC Prefixes per ASN: 31.00 APNIC Region origin ASes announcing only one prefix: 1188 APNIC Region transit ASes present in the Internet Routing Table: 911 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1940 Number of APNIC addresses announced to Internet: 753193476 Equivalent to 44 /8s, 228 /16s and 210 /24s Percentage of available APNIC address space announced: 88.0
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: 180065 Total ARIN prefixes after maximum aggregation: 88986 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 185087 Unique aggregates announced from the ARIN address blocks: 87874 ARIN Region origin ASes present in the Internet Routing Table: 16404 ARIN Prefixes per ASN: 11.28 ARIN Region origin ASes announcing only one prefix: 5888 ARIN Region transit ASes present in the Internet Routing Table: 1701 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1076 Number of ARIN addresses announced to Internet: 1102414400 Equivalent to 65 /8s, 181 /16s and 130 /24s Percentage of available ARIN address space announced: 58.3
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, 64198-64296, 393216-395164 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: 141234 Total RIPE prefixes after maximum aggregation: 69730 RIPE Deaggregation factor: 2.03 Prefixes being announced from the RIPE address blocks: 149803 Unique aggregates announced from the RIPE address blocks: 92379 RIPE Region origin ASes present in the Internet Routing Table: 18046 RIPE Prefixes per ASN: 8.30 RIPE Region origin ASes announcing only one prefix: 7934 RIPE Region transit ASes present in the Internet Routing Table: 3003 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4548 Number of RIPE addresses announced to Internet: 703722624 Equivalent to 41 /8s, 241 /16s and 244 /24s Percentage of available RIPE address space announced: 102.3
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, 196608-204287 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: 61629 Total LACNIC prefixes after maximum aggregation: 12173 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 75450 Unique aggregates announced from the LACNIC address blocks: 35266 LACNIC Region origin ASes present in the Internet Routing Table: 2471 LACNIC Prefixes per ASN: 30.53 LACNIC Region origin ASes announcing only one prefix: 587 LACNIC Region transit ASes present in the Internet Routing Table: 555 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2340 Number of LACNIC addresses announced to Internet: 170904064 Equivalent to 10 /8s, 47 /16s and 202 /24s Percentage of available LACNIC address space announced: 101.9
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: 14350 Total AfriNIC prefixes after maximum aggregation: 3164 AfriNIC Deaggregation factor: 4.54 Prefixes being announced from the AfriNIC address blocks: 16114 Unique aggregates announced from the AfriNIC address blocks: 5662 AfriNIC Region origin ASes present in the Internet Routing Table: 737 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 187 AfriNIC Region transit ASes present in the Internet Routing Table: 167 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 192 Number of AfriNIC addresses announced to Internet: 78042112 Equivalent to 4 /8s, 166 /16s and 212 /24s Percentage of available AfriNIC address space announced: 77.5
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 4538 5593 4192 76 China Education and Research 7545 3168 351 182 TPG Telecom Limited 4766 3144 11142 1115 Korea Telecom 17974 2909 914 96 PT Telekomunikasi Indonesia 9829 2406 1450 430 National Internet Backbone 4755 2098 432 244 TATA Communications formerly 9808 1858 8717 30 Guangdong Mobile Communicatio 4808 1641 2287 522 CNCGROUP IP network China169 4788 1519 645 62 TM Net, Internet Service Prov 9583 1519 121 564 Sify Limited
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 22773 3346 2948 145 Cox Communications Inc. 6389 2394 3687 42 BellSouth.net Inc. 18566 2212 394 276 MegaPath Corporation 20115 1915 1925 402 Charter Communications 30036 1733 342 251 Mediacom Communications Corp 6983 1690 849 232 EarthLink, Inc. 4323 1581 1004 390 tw telecom holdings, inc. 209 1503 4483 1213 Qwest Communications Company, 701 1390 11452 659 MCI Communications Services, 11492 1259 234 594 CABLE ONE, INC.
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 39891 2515 135 9 SaudiNet, Saudi Telecom Compa 20940 2411 926 1739 Akamai International B.V. 34984 1952 322 414 TELLCOM ILETISIM HIZMETLERI A 8551 1255 376 54 Bezeq International-Ltd 6849 1179 355 21 JSC "Ukrtelecom" 12479 1141 980 86 France Telecom Espana SA 8402 1133 544 15 OJSC "Vimpelcom" 13188 1077 98 78 TOV "Bank-Inform" 31148 1041 47 41 Freenet Ltd. 9198 950 352 25 JSC Kazakhtelecom
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 3433 539 172 Telmex Colombia S.A. 8151 2221 3413 550 Uninet S.A. de C.V. 7303 1521 941 238 Telecom Argentina S.A. 11830 1441 366 25 Instituto Costarricense de El 6503 1432 437 55 Axtel, S.A.B. de C.V. 6147 1037 377 27 Telefonica del Peru S.A.A. 3816 994 478 185 COLOMBIA TELECOMUNICACIONES S 7738 994 1882 41 Telemar Norte Leste S.A. 26615 994 2325 34 Tim Celular S.A. 28573 892 2170 158 NET Serviços de Comunicação 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 24863 1236 402 35 Link Egypt (Link.NET) 8452 838 1472 15 TE-AS 37611 638 48 2 Afrihost-Brevis Computer Serv 36903 584 294 104 Office National des Postes et 36992 505 1357 25 ETISALAT MISR 37492 380 233 65 Orange Tunisie 24835 338 146 12 Vodafone Data 29571 266 21 12 Cote d'Ivoire Telecom 2018 250 327 74 TENET (The UNINET Project) 36947 233 807 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 4538 5593 4192 76 China Education and Research 10620 3433 539 172 Telmex Colombia S.A. 22773 3346 2948 145 Cox Communications Inc. 7545 3168 351 182 TPG Telecom Limited 4766 3144 11142 1115 Korea Telecom 17974 2909 914 96 PT Telekomunikasi Indonesia 39891 2515 135 9 SaudiNet, Saudi Telecom Compa 20940 2411 926 1739 Akamai International B.V. 9829 2406 1450 430 National Internet Backbone 6389 2394 3687 42 BellSouth.net Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 10620 3433 3261 Telmex Colombia S.A. 22773 3346 3201 Cox Communications Inc. 7545 3168 2986 TPG Telecom Limited 17974 2909 2813 PT Telekomunikasi Indonesia 39891 2515 2506 SaudiNet, Saudi Telecom Compa 6389 2394 2352 BellSouth.net Inc. 4766 3144 2029 Korea Telecom 9829 2406 1976 National Internet Backbone 18566 2212 1936 MegaPath Corporation 4755 2098 1854 TATA Communications formerly
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 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited 16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited 46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio 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 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 27.100.7.0/24 56096 >>UNKNOWN<< 37.46.10.0/23 36351 SoftLayer Technologies Inc. 37.46.14.0/24 36351 SoftLayer Technologies Inc. 37.46.15.0/24 36351 SoftLayer Technologies Inc. 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.3.0/24 37004 >>UNKNOWN<< 41.73.4.0/24 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 /9:13 /10:36 /11:101 /12:267 /13:517 /14:1029 /15:1760 /16:12971 /17:7571 /18:12684 /19:25795 /20:38139 /21:40031 /22:64974 /23:56232 /24:322949 /25:541 /26:585 /27:403 /28:19 /29:16 /30:12 /31:0 /32:24
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 22773 2528 3346 Cox Communications Inc. 39891 2472 2515 SaudiNet, Saudi Telecom Compa 18566 2114 2212 MegaPath Corporation 30036 1548 1733 Mediacom Communications Corp 6389 1521 2394 BellSouth.net Inc. 6983 1340 1690 EarthLink, Inc. 10620 1332 3433 Telmex Colombia S.A. 34984 1241 1952 TELLCOM ILETISIM HIZMETLERI A 11492 1169 1259 CABLE ONE, INC. 6849 997 1179 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1637 2:737 4:20 5:2072 6:27 8:925 12:1776 13:38 14:1631 15:45 16:2 17:72 18:20 20:49 23:1414 24:1746 27:2257 31:1757 32:54 33:2 34:2 35:4 36:248 37:2284 38:1178 39:27 40:88 41:2881 42:386 43:1682 44:40 45:1731 46:2447 47:71 49:1126 50:843 51:8 52:129 54:197 55:3 56:6 57:44 58:1521 59:860 60:566 61:1796 62:1482 63:1928 64:4462 65:2154 66:4011 67:2116 68:1102 69:3246 70:1063 71:468 72:1963 74:2541 75:339 76:438 77:1361 78:1286 79:843 80:1315 81:1365 82:912 83:671 84:803 85:1576 86:467 87:1049 88:570 89:1943 90:168 91:6043 92:857 93:2298 94:2362 95:2306 96:459 97:351 98:956 99:45 100:70 101:1021 103:9983 104:2300 105:183 106:395 107:1153 108:656 109:2132 110:1261 111:1612 112:941 113:1133 114:1056 115:1697 116:1534 117:1419 118:2138 119:1568 120:512 121:1169 122:2224 123:1993 124:1601 125:1741 128:728 129:378 130:415 131:1264 132:614 133:171 134:449 135:122 136:353 137:336 138:1707 139:214 140:338 141:469 142:633 143:876 144:616 145:161 146:850 147:664 148:1469 149:481 150:657 151:827 152:608 153:270 154:557 155:914 156:490 157:440 158:342 159:1097 160:429 161:730 162:2301 163:535 164:728 165:1119 166:311 167:1076 168:1578 169:619 170:1574 171:265 172:503 173:1669 174:719 175:898 176:1529 177:4030 178:2232 179:1104 180:2036 181:1687 182:1952 183:672 184:812 185:5953 186:3023 187:2063 188:2141 189:1768 190:7667 191:1242 192:8905 193:5728 194:4372 195:3757 196:1665 197:1135 198:5514 199:5620 200:6881 201:3708 202:10148 203:9583 204:4629 205:2704 206:2967 207:3104 208:4072 209:3892 210:3943 211:2034 212:2666 213:2198 214:828 215:73 216:5748 217:1902 218:761 219:567 220:1655 221:854 222:665 223:936
End of report
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