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InternetData
65,536 routable11 ASes
/16 subnet

218.231.0.0/16

Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.

65,536
routable addresses
65,536
geolocated
1
country
11
announcing ASes
17
announced prefixes
795
anonymous addresses

Where it is

Addresses IP Geolocation places in each country, as a share of those it places.

  1. Japan65,536 · 100.00%

Who announces it

Each /24 counted for the AS announcing most of it, as a share of the routable addresses.

  1. AS2915BBIX, Inc.16,384 · 25.00%
  2. AS18129OKAYAMA NETWORK INC.8,192 · 12.50%
  3. AS55381CITY-CABLE SHUNAN Corporation5,120 · 7.81%
  4. AS2522Japan Network Information Center4,096 · 6.25%
  5. AS7522STNet, Incorporated4,096 · 6.25%
  6. AS10002IGAUENO CABLE TELEVISION CO.,LTD4,096 · 6.25%
  7. AS24271Iruma CATV co.2,048 · 3.13%
  8. AS37904BBIX, Inc.1,024 · 1.56%
  9. AS7690Mirai Communication Network Inc.512 · 0.78%
  10. AS9607BroadBand Tower, Inc.512 · 0.78%

What the databases see

Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.

Announced prefixes

Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.

17 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
218.231.16.0/20AS2522Japan Network Information CenterJapannot found162026-10-02
218.231.48.0/20AS7522STNet, IncorporatedJapannot found162026-10-02
218.231.64.0/19AS2915BBIX, Inc.Japanvalid162026-10-02
218.231.96.0/19AS2915BBIX, Inc.Japanvalid162026-10-02
218.231.160.0/19AS18129OKAYAMA NETWORK INC.Japanvalid162026-10-02
218.231.192.0/22AS55381CITY-CABLE SHUNAN CorporationJapannot found162026-10-02
218.231.196.0/22AS55381CITY-CABLE SHUNAN CorporationJapannot found162026-10-02
218.231.200.0/22AS55381CITY-CABLE SHUNAN CorporationJapannot found162026-10-02
218.231.204.0/22AS55381CITY-CABLE SHUNAN CorporationJapannot found162026-10-02
218.231.208.0/22AS55381CITY-CABLE SHUNAN CorporationJapannot found162026-10-02
218.231.216.0/21AS24271Iruma CATV co.Japanvalid162026-10-02
218.231.224.0/20AS10002IGAUENO CABLE TELEVISION CO.,LTDJapanvalid162026-10-02
218.231.244.0/23AS37904BBIX, Inc.Japanvalid162026-10-02
218.231.246.0/23AS7690Mirai Communication Network Inc.Japannot found162026-10-02
218.231.248.0/23AS37904BBIX, Inc.Japanvalid162026-10-02
218.231.251.0/24AS20940Akamai International B.V.Japanvalid162026-10-02
218.231.252.0/23AS9607BroadBand Tower, Inc.Japanvalid162026-10-02

Every /24 inside it

218.231.0.0/24Japan—000.00%
218.231.1.0/24Japan—000.00%
218.231.2.0/24Japan—000.00%
218.231.3.0/24Japan—000.00%
218.231.4.0/24Japan—000.00%
218.231.5.0/24Japan—000.00%
218.231.6.0/24Japan—000.00%
218.231.7.0/24Japan—000.00%
218.231.8.0/24Japan—000.00%
218.231.9.0/24Japan—000.00%
218.231.10.0/24Japan—000.00%
218.231.11.0/24Japan—000.00%
218.231.12.0/24Japan—000.00%
218.231.13.0/24Japan—000.00%
218.231.14.0/24Japan—000.00%
218.231.15.0/24Japan—000.00%
218.231.16.0/24JapanAS2522Japan Network Information Center000.00%
218.231.17.0/24JapanAS2522Japan Network Information Center000.00%
218.231.18.0/24JapanAS2522Japan Network Information Center000.00%
218.231.19.0/24JapanAS2522Japan Network Information Center000.00%
218.231.20.0/24JapanAS2522Japan Network Information Center000.00%
218.231.21.0/24JapanAS2522Japan Network Information Center000.00%
218.231.22.0/24JapanAS2522Japan Network Information Center000.00%
218.231.23.0/24JapanAS2522Japan Network Information Center000.00%
218.231.24.0/24JapanAS2522Japan Network Information Center000.00%
218.231.25.0/24JapanAS2522Japan Network Information Center000.00%
218.231.26.0/24JapanAS2522Japan Network Information Center000.00%
218.231.27.0/24JapanAS2522Japan Network Information Center000.00%
218.231.28.0/24JapanAS2522Japan Network Information Center000.00%
218.231.29.0/24JapanAS2522Japan Network Information Center000.00%
218.231.30.0/24JapanAS2522Japan Network Information Center000.00%
218.231.31.0/24JapanAS2522Japan Network Information Center000.00%
218.231.32.0/24Japan—000.00%
218.231.33.0/24Japan—000.00%
218.231.34.0/24Japan—000.00%
218.231.35.0/24Japan—000.00%
218.231.36.0/24Japan—000.00%
218.231.37.0/24Japan—000.00%
218.231.38.0/24Japan—000.00%
218.231.39.0/24Japan—000.00%
218.231.40.0/24Japan—000.00%
218.231.41.0/24Japan—000.00%
218.231.42.0/24Japan—000.00%
218.231.43.0/24Japan—000.00%
218.231.44.0/24Japan—000.00%
218.231.45.0/24Japan—000.00%
218.231.46.0/24Japan—000.00%
218.231.47.0/24Japan—000.00%
218.231.48.0/24JapanAS7522STNet, Incorporated803.13%
218.231.49.0/24JapanAS7522STNet, Incorporated602.34%
218.231.50.0/24JapanAS7522STNet, Incorporated501.95%
218.231.51.0/24JapanAS7522STNet, Incorporated702.73%
218.231.52.0/24JapanAS7522STNet, Incorporated702.73%
218.231.53.0/24JapanAS7522STNet, Incorporated501.95%
218.231.54.0/24JapanAS7522STNet, Incorporated100.39%
218.231.55.0/24JapanAS7522STNet, Incorporated100.39%
218.231.56.0/24JapanAS7522STNet, Incorporated000.00%
218.231.57.0/24JapanAS7522STNet, Incorporated000.00%
218.231.58.0/24JapanAS7522STNet, Incorporated000.00%
218.231.59.0/24JapanAS7522STNet, Incorporated000.00%
218.231.60.0/24JapanAS7522STNet, Incorporated000.00%
218.231.61.0/24JapanAS7522STNet, Incorporated0256100.00%
218.231.62.0/24JapanAS7522STNet, Incorporated0256100.00%
218.231.63.0/24JapanAS7522STNet, Incorporated2256100.00%
218.231.64.0/24JapanAS2915BBIX, Inc.401.56%
218.231.65.0/24JapanAS2915BBIX, Inc.58022.66%
218.231.66.0/24JapanAS2915BBIX, Inc.109042.58%
218.231.67.0/24JapanAS2915BBIX, Inc.74028.91%
218.231.68.0/24JapanAS2915BBIX, Inc.2108.20%
218.231.69.0/24JapanAS2915BBIX, Inc.1606.25%
218.231.70.0/24JapanAS2915BBIX, Inc.1204.69%
218.231.71.0/24JapanAS2915BBIX, Inc.2007.81%
218.231.72.0/24JapanAS2915BBIX, Inc.1807.03%
218.231.73.0/24JapanAS2915BBIX, Inc.27010.55%
218.231.74.0/24JapanAS2915BBIX, Inc.55021.48%
218.231.75.0/24JapanAS2915BBIX, Inc.71256100.00%
218.231.76.0/24JapanAS2915BBIX, Inc.1907.42%
218.231.77.0/24JapanAS2915BBIX, Inc.100.39%
218.231.78.0/24JapanAS2915BBIX, Inc.000.00%
218.231.79.0/24JapanAS2915BBIX, Inc.000.00%
218.231.80.0/24JapanAS2915BBIX, Inc.000.00%
218.231.81.0/24JapanAS2915BBIX, Inc.000.00%
218.231.82.0/24JapanAS2915BBIX, Inc.000.00%
218.231.83.0/24JapanAS2915BBIX, Inc.000.00%
218.231.84.0/24JapanAS2915BBIX, Inc.000.00%
218.231.85.0/24JapanAS2915BBIX, Inc.000.00%
218.231.86.0/24JapanAS2915BBIX, Inc.000.00%
218.231.87.0/24JapanAS2915BBIX, Inc.000.00%
218.231.88.0/24JapanAS2915BBIX, Inc.000.00%
218.231.89.0/24JapanAS2915BBIX, Inc.000.00%
218.231.90.0/24JapanAS2915BBIX, Inc.000.00%
218.231.91.0/24JapanAS2915BBIX, Inc.000.00%
218.231.92.0/24JapanAS2915BBIX, Inc.000.00%
218.231.93.0/24JapanAS2915BBIX, Inc.000.00%
218.231.94.0/24JapanAS2915BBIX, Inc.000.00%
218.231.95.0/24JapanAS2915BBIX, Inc.000.00%
218.231.96.0/24JapanAS2915BBIX, Inc.803.13%
218.231.97.0/24JapanAS2915BBIX, Inc.16256100.00%
218.231.98.0/24JapanAS2915BBIX, Inc.2108.20%
218.231.99.0/24JapanAS2915BBIX, Inc.1907.42%
218.231.100.0/24JapanAS2915BBIX, Inc.2409.38%
218.231.101.0/24JapanAS2915BBIX, Inc.41016.02%
218.231.102.0/24JapanAS2915BBIX, Inc.35013.67%
218.231.103.0/24JapanAS2915BBIX, Inc.1104.30%
218.231.104.0/24JapanAS2915BBIX, Inc.000.00%
218.231.105.0/24JapanAS2915BBIX, Inc.000.00%
218.231.106.0/24JapanAS2915BBIX, Inc.000.00%
218.231.107.0/24JapanAS2915BBIX, Inc.000.00%
218.231.108.0/24JapanAS2915BBIX, Inc.000.00%
218.231.109.0/24JapanAS2915BBIX, Inc.000.00%
218.231.110.0/24JapanAS2915BBIX, Inc.000.00%
218.231.111.0/24JapanAS2915BBIX, Inc.000.00%
218.231.112.0/24JapanAS2915BBIX, Inc.000.00%
218.231.113.0/24JapanAS2915BBIX, Inc.000.00%
218.231.114.0/24JapanAS2915BBIX, Inc.000.00%
218.231.115.0/24JapanAS2915BBIX, Inc.000.00%
218.231.116.0/24JapanAS2915BBIX, Inc.000.00%
218.231.117.0/24JapanAS2915BBIX, Inc.000.00%
218.231.118.0/24JapanAS2915BBIX, Inc.000.00%
218.231.119.0/24JapanAS2915BBIX, Inc.000.00%
218.231.120.0/24JapanAS2915BBIX, Inc.000.00%
218.231.121.0/24JapanAS2915BBIX, Inc.000.00%
218.231.122.0/24JapanAS2915BBIX, Inc.000.00%
218.231.123.0/24JapanAS2915BBIX, Inc.000.00%
218.231.124.0/24JapanAS2915BBIX, Inc.000.00%
218.231.125.0/24JapanAS2915BBIX, Inc.000.00%
218.231.126.0/24JapanAS2915BBIX, Inc.000.00%
218.231.127.0/24JapanAS2915BBIX, Inc.000.00%
218.231.128.0/24Japan—000.00%
218.231.129.0/24Japan—000.00%
218.231.130.0/24Japan—000.00%
218.231.131.0/24Japan—000.00%
218.231.132.0/24Japan—000.00%
218.231.133.0/24Japan—000.00%
218.231.134.0/24Japan—000.00%
218.231.135.0/24Japan—000.00%
218.231.136.0/24Japan—000.00%
218.231.137.0/24Japan—000.00%
218.231.138.0/24Japan—000.00%
218.231.139.0/24Japan—000.00%
218.231.140.0/24Japan—000.00%
218.231.141.0/24Japan—000.00%
218.231.142.0/24Japan—000.00%
218.231.143.0/24Japan—000.00%
218.231.144.0/24Japan—000.00%
218.231.145.0/24Japan—000.00%
218.231.146.0/24Japan—000.00%
218.231.147.0/24Japan—000.00%
218.231.148.0/24Japan—000.00%
218.231.149.0/24Japan—000.00%
218.231.150.0/24Japan—000.00%
218.231.151.0/24Japan—000.00%
218.231.152.0/24Japan—000.00%
218.231.153.0/24Japan—000.00%
218.231.154.0/24Japan—000.00%
218.231.155.0/24Japan—000.00%
218.231.156.0/24Japan—000.00%
218.231.157.0/24Japan—000.00%
218.231.158.0/24Japan—000.00%
218.231.159.0/24Japan—000.00%
218.231.160.0/24JapanAS18129OKAYAMA NETWORK INC.501.95%
218.231.161.0/24JapanAS18129OKAYAMA NETWORK INC.100.39%
218.231.162.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.163.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.164.0/24JapanAS18129OKAYAMA NETWORK INC.200.78%
218.231.165.0/24JapanAS18129OKAYAMA NETWORK INC.401.56%
218.231.166.0/24JapanAS18129OKAYAMA NETWORK INC.501.95%
218.231.167.0/24JapanAS18129OKAYAMA NETWORK INC.501.95%
218.231.168.0/24JapanAS18129OKAYAMA NETWORK INC.301.17%
218.231.169.0/24JapanAS18129OKAYAMA NETWORK INC.100.39%
218.231.170.0/24JapanAS18129OKAYAMA NETWORK INC.602.34%
218.231.171.0/24JapanAS18129OKAYAMA NETWORK INC.100.39%
218.231.172.0/24JapanAS18129OKAYAMA NETWORK INC.301.17%
218.231.173.0/24JapanAS18129OKAYAMA NETWORK INC.200.78%
218.231.174.0/24JapanAS18129OKAYAMA NETWORK INC.100.39%
218.231.175.0/24JapanAS18129OKAYAMA NETWORK INC.301.17%
218.231.176.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.177.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.178.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.179.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.180.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.181.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.182.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.183.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.184.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.185.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.186.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.187.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.188.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.189.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.190.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.191.0/24JapanAS18129OKAYAMA NETWORK INC.000.00%
218.231.192.0/24JapanAS55381CITY-CABLE SHUNAN Corporation401.56%
218.231.193.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.194.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.195.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.196.0/24JapanAS55381CITY-CABLE SHUNAN Corporation200.78%
218.231.197.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.198.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.199.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.200.0/24JapanAS55381CITY-CABLE SHUNAN Corporation200.78%
218.231.201.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.202.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.203.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.204.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.205.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.206.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.207.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.208.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.209.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.210.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.211.0/24JapanAS55381CITY-CABLE SHUNAN Corporation000.00%
218.231.212.0/24Japan—000.00%
218.231.213.0/24Japan—000.00%
218.231.214.0/24Japan—000.00%
218.231.215.0/24Japan—000.00%
218.231.216.0/24JapanAS24271Iruma CATV co.301.17%
218.231.217.0/24JapanAS24271Iruma CATV co.100.39%
218.231.218.0/24JapanAS24271Iruma CATV co.401.56%
218.231.219.0/24JapanAS24271Iruma CATV co.301.17%
218.231.220.0/24JapanAS24271Iruma CATV co.000.00%
218.231.221.0/24JapanAS24271Iruma CATV co.100.39%
218.231.222.0/24JapanAS24271Iruma CATV co.000.00%
218.231.223.0/24JapanAS24271Iruma CATV co.000.00%
218.231.224.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD100.39%
218.231.225.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD401.56%
218.231.226.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD100.39%
218.231.227.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD301.17%
218.231.228.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.229.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.230.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.231.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.232.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.233.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.234.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.235.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.236.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.237.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.238.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.239.0/24JapanAS10002IGAUENO CABLE TELEVISION CO.,LTD000.00%
218.231.240.0/24Japan—000.00%
218.231.241.0/24Japan—000.00%
218.231.242.0/24Japan—000.00%
218.231.243.0/24Japan—000.00%
218.231.244.0/24JapanAS37904BBIX, Inc.000.00%
218.231.245.0/24JapanAS37904BBIX, Inc.000.00%
218.231.246.0/24JapanAS7690Mirai Communication Network Inc.000.00%
218.231.247.0/24JapanAS7690Mirai Communication Network Inc.000.00%
218.231.248.0/24JapanAS37904BBIX, Inc.200.78%
218.231.249.0/24JapanAS37904BBIX, Inc.000.00%
218.231.250.0/24Japan—000.00%
218.231.251.0/24JapanAS20940Akamai International B.V.0256100.00%
218.231.252.0/24JapanAS9607BroadBand Tower, Inc.000.00%
218.231.253.0/24JapanAS9607BroadBand Tower, Inc.000.00%
218.231.254.0/24Japan—000.00%
218.231.255.0/24Japan—000.00%
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.