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InternetData
65,536 routable10 ASes
/16 subnet

202.237.0.0/16

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
10
announcing ASes
37
announced prefixes
123
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. AS4680Mitsubishi Electric Information Network Corporation8,192 · 12.50%
  2. AS2907Research Organization of Information and Systems, National Institute of Informatics4,352 · 6.64%
  3. AS24251Iwakuni Cable Network Corporation3,072 · 4.69%
  4. AS51964ORANGE BUSINESS SERVICES U.S. Inc.1,024 · 1.56%
  5. AS63793Japan OPS Better Co., Ltd.512 · 0.78%
  6. AS131921GMO GlobalSign Holdings K.K.512 · 0.78%
  7. AS2510FUJITSU LIMITED256 · 0.39%
  8. AS15830Equinix (EMEA) Acquisition Enterprises B.V.256 · 0.39%
  9. AS17676SoftBank Corp.256 · 0.39%
  10. AS131965XServer Cloud Inc.256 · 0.39%

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.

37 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
202.237.2.0/23AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.6.0/23AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.15.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.24.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.27.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.40.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.50.0/24AS15830Equinix (EMEA) Acquisition Enterprises B.V.Japannot found162026-10-02
202.237.52.0/23AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.54.0/23AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.80.0/21AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.80.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.81.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.82.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.83.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.84.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.85.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.86.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.87.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.88.0/22AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.88.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.89.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.90.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.91.0/24AS24251Iwakuni Cable Network CorporationJapannot found162026-10-02
202.237.92.0/24AS63793Japan OPS Better Co., Ltd.Japanvalid162026-10-02
202.237.95.0/24AS63793Japan OPS Better Co., Ltd.Japanvalid162026-10-02
202.237.114.0/24AS2510FUJITSU LIMITEDJapannot found162026-10-02
202.237.132.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.148.0/23AS131921GMO GlobalSign Holdings K.K.Japanvalid162026-10-02
202.237.148.0/24AS131921GMO GlobalSign Holdings K.K.Japanvalid162026-10-02
202.237.149.0/24AS131921GMO GlobalSign Holdings K.K.Japanvalid162026-10-02
202.237.154.0/24AS131965XServer Cloud Inc.Japanvalid162026-10-02
202.237.168.0/23AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.174.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02
202.237.176.0/22AS51964ORANGE BUSINESS SERVICES U.S. Inc.Japannot found162026-10-02
202.237.183.0/24AS17676SoftBank Corp.Japannot found162026-10-02
202.237.192.0/19AS4680Mitsubishi Electric Information Network CorporationJapannot found162026-10-02
202.237.255.0/24AS2907Research Organization of Information and Systems, National Institute of InformaticsJapannot found182026-10-02

Every /24 inside it

202.237.0.0/24Japan—000.00%
202.237.1.0/24Japan—000.00%
202.237.2.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.3.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.4.0/24Japan—000.00%
202.237.5.0/24Japan—000.00%
202.237.6.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics100.39%
202.237.7.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.8.0/24Japan—000.00%
202.237.9.0/24Japan—000.00%
202.237.10.0/24Japan—000.00%
202.237.11.0/24Japan—000.00%
202.237.12.0/24Japan—000.00%
202.237.13.0/24Japan—000.00%
202.237.14.0/24Japan—000.00%
202.237.15.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.16.0/24Japan—000.00%
202.237.17.0/24Japan—000.00%
202.237.18.0/24Japan—000.00%
202.237.19.0/24Japan—000.00%
202.237.20.0/24Japan—000.00%
202.237.21.0/24Japan—000.00%
202.237.22.0/24Japan—000.00%
202.237.23.0/24Japan—000.00%
202.237.24.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics1256100.00%
202.237.25.0/24Japan—000.00%
202.237.26.0/24Japan—000.00%
202.237.27.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics100.39%
202.237.28.0/24Japan—000.00%
202.237.29.0/24Japan—000.00%
202.237.30.0/24Japan—000.00%
202.237.31.0/24Japan—000.00%
202.237.32.0/24Japan—000.00%
202.237.33.0/24Japan—000.00%
202.237.34.0/24Japan—000.00%
202.237.35.0/24Japan—000.00%
202.237.36.0/24Japan—000.00%
202.237.37.0/24Japan—000.00%
202.237.38.0/24Japan—000.00%
202.237.39.0/24Japan—000.00%
202.237.40.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics100.39%
202.237.41.0/24Japan—000.00%
202.237.42.0/24Japan—000.00%
202.237.43.0/24Japan—000.00%
202.237.44.0/24Japan—000.00%
202.237.45.0/24Japan—000.00%
202.237.46.0/24Japan—000.00%
202.237.47.0/24Japan—000.00%
202.237.48.0/24Japan—000.00%
202.237.49.0/24Japan—000.00%
202.237.50.0/24JapanAS15830Equinix (EMEA) Acquisition Enterprises B.V.0256100.00%
202.237.51.0/24Japan—000.00%
202.237.52.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.53.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.54.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics000.00%
202.237.55.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics100.39%
202.237.56.0/24Japan—000.00%
202.237.57.0/24Japan—000.00%
202.237.58.0/24Japan—000.00%
202.237.59.0/24Japan—000.00%
202.237.60.0/24Japan—000.00%
202.237.61.0/24Japan—000.00%
202.237.62.0/24Japan—000.00%
202.237.63.0/24Japan—000.00%
202.237.64.0/24Japan—000.00%
202.237.65.0/24Japan—000.00%
202.237.66.0/24Japan—000.00%
202.237.67.0/24Japan—000.00%
202.237.68.0/24Japan—000.00%
202.237.69.0/24Japan—000.00%
202.237.70.0/24Japan—000.00%
202.237.71.0/24Japan—000.00%
202.237.72.0/24Japan—000.00%
202.237.73.0/24Japan—000.00%
202.237.74.0/24Japan—000.00%
202.237.75.0/24Japan—000.00%
202.237.76.0/24Japan—000.00%
202.237.77.0/24Japan—000.00%
202.237.78.0/24Japan—000.00%
202.237.79.0/24Japan—000.00%
202.237.80.0/24JapanAS24251Iwakuni Cable Network Corporation301.17%
202.237.81.0/24JapanAS24251Iwakuni Cable Network Corporation602.34%
202.237.82.0/24JapanAS24251Iwakuni Cable Network Corporation200.78%
202.237.83.0/24JapanAS24251Iwakuni Cable Network Corporation301.17%
202.237.84.0/24JapanAS24251Iwakuni Cable Network Corporation100.39%
202.237.85.0/24JapanAS24251Iwakuni Cable Network Corporation200.78%
202.237.86.0/24JapanAS24251Iwakuni Cable Network Corporation100.39%
202.237.87.0/24JapanAS24251Iwakuni Cable Network Corporation100.39%
202.237.88.0/24JapanAS24251Iwakuni Cable Network Corporation602.34%
202.237.89.0/24JapanAS24251Iwakuni Cable Network Corporation401.56%
202.237.90.0/24JapanAS24251Iwakuni Cable Network Corporation100.39%
202.237.91.0/24JapanAS24251Iwakuni Cable Network Corporation100.39%
202.237.92.0/24JapanAS63793Japan OPS Better Co., Ltd.1256100.00%
202.237.93.0/24Japan—000.00%
202.237.94.0/24Japan—000.00%
202.237.95.0/24JapanAS63793Japan OPS Better Co., Ltd.000.00%
202.237.96.0/24Japan—000.00%
202.237.97.0/24Japan—000.00%
202.237.98.0/24Japan—000.00%
202.237.99.0/24Japan—000.00%
202.237.100.0/24Japan—000.00%
202.237.101.0/24Japan—000.00%
202.237.102.0/24Japan—000.00%
202.237.103.0/24Japan—000.00%
202.237.104.0/24Japan—000.00%
202.237.105.0/24Japan—000.00%
202.237.106.0/24Japan—000.00%
202.237.107.0/24Japan—000.00%
202.237.108.0/24Japan—000.00%
202.237.109.0/24Japan—000.00%
202.237.110.0/24Japan—000.00%
202.237.111.0/24Japan—000.00%
202.237.112.0/24Japan—000.00%
202.237.113.0/24Japan—000.00%
202.237.114.0/24JapanAS2510FUJITSU LIMITED000.00%
202.237.115.0/24Japan—000.00%
202.237.116.0/24Japan—000.00%
202.237.117.0/24Japan—000.00%
202.237.118.0/24Japan—000.00%
202.237.119.0/24Japan—000.00%
202.237.120.0/24Japan—000.00%
202.237.121.0/24Japan—000.00%
202.237.122.0/24Japan—000.00%
202.237.123.0/24Japan—000.00%
202.237.124.0/24Japan—000.00%
202.237.125.0/24Japan—000.00%
202.237.126.0/24Japan—000.00%
202.237.127.0/24Japan—000.00%
202.237.128.0/24Japan—000.00%
202.237.129.0/24Japan—000.00%
202.237.130.0/24Japan—000.00%
202.237.131.0/24Japan—000.00%
202.237.132.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics0256100.00%
202.237.133.0/24Japan—000.00%
202.237.134.0/24Japan—000.00%
202.237.135.0/24Japan—000.00%
202.237.136.0/24Japan—000.00%
202.237.137.0/24Japan—000.00%
202.237.138.0/24Japan—000.00%
202.237.139.0/24Japan—000.00%
202.237.140.0/24Japan—000.00%
202.237.141.0/24Japan—000.00%
202.237.142.0/24Japan—000.00%
202.237.143.0/24Japan—000.00%
202.237.144.0/24Japan—000.00%
202.237.145.0/24Japan—000.00%
202.237.146.0/24Japan—000.00%
202.237.147.0/24Japan—000.00%
202.237.148.0/24JapanAS131921GMO GlobalSign Holdings K.K.0256100.00%
202.237.149.0/24JapanAS131921GMO GlobalSign Holdings K.K.0256100.00%
202.237.150.0/24Japan—000.00%
202.237.151.0/24Japan—000.00%
202.237.152.0/24Japan—000.00%
202.237.153.0/24Japan—000.00%
202.237.154.0/24JapanAS131965XServer Cloud Inc.0256100.00%
202.237.155.0/24Japan—000.00%
202.237.156.0/24Japan—000.00%
202.237.157.0/24Japan—000.00%
202.237.158.0/24Japan—000.00%
202.237.159.0/24Japan—000.00%
202.237.160.0/24Japan—000.00%
202.237.161.0/24Japan—000.00%
202.237.162.0/24Japan—000.00%
202.237.163.0/24Japan—000.00%
202.237.164.0/24Japan—000.00%
202.237.165.0/24Japan—000.00%
202.237.166.0/24Japan—000.00%
202.237.167.0/24Japan—000.00%
202.237.168.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics76029.69%
202.237.169.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics602.34%
202.237.170.0/24Japan—000.00%
202.237.171.0/24Japan—000.00%
202.237.172.0/24Japan—000.00%
202.237.173.0/24Japan—000.00%
202.237.174.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics100.39%
202.237.175.0/24Japan—000.00%
202.237.176.0/24JapanAS51964ORANGE BUSINESS SERVICES U.S. Inc.000.00%
202.237.177.0/24JapanAS51964ORANGE BUSINESS SERVICES U.S. Inc.000.00%
202.237.178.0/24JapanAS51964ORANGE BUSINESS SERVICES U.S. Inc.000.00%
202.237.179.0/24JapanAS51964ORANGE BUSINESS SERVICES U.S. Inc.025599.61%
202.237.180.0/24Japan—000.00%
202.237.181.0/24Japan—000.00%
202.237.182.0/24Japan—000.00%
202.237.183.0/24JapanAS17676SoftBank Corp.225599.61%
202.237.184.0/24Japan—000.00%
202.237.185.0/24Japan—000.00%
202.237.186.0/24Japan—000.00%
202.237.187.0/24Japan—000.00%
202.237.188.0/24Japan—000.00%
202.237.189.0/24Japan—000.00%
202.237.190.0/24Japan—000.00%
202.237.191.0/24Japan—000.00%
202.237.192.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.193.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.194.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.195.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.196.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.197.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.198.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.199.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.200.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.201.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.202.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.203.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.204.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.205.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.206.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.207.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.208.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.209.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.210.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.211.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.212.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.213.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.214.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.215.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.216.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.217.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.218.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.219.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.220.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.221.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.222.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.223.0/24JapanAS4680Mitsubishi Electric Information Network Corporation000.00%
202.237.224.0/24Japan—000.00%
202.237.225.0/24Japan—000.00%
202.237.226.0/24Japan—000.00%
202.237.227.0/24Japan—000.00%
202.237.228.0/24Japan—000.00%
202.237.229.0/24Japan—000.00%
202.237.230.0/24Japan—000.00%
202.237.231.0/24Japan—000.00%
202.237.232.0/24Japan—000.00%
202.237.233.0/24Japan—000.00%
202.237.234.0/24Japan—000.00%
202.237.235.0/24Japan—000.00%
202.237.236.0/24Japan—000.00%
202.237.237.0/24Japan—000.00%
202.237.238.0/24Japan—000.00%
202.237.239.0/24Japan—000.00%
202.237.240.0/24Japan—000.00%
202.237.241.0/24Japan—000.00%
202.237.242.0/24Japan—000.00%
202.237.243.0/24Japan—000.00%
202.237.244.0/24Japan—000.00%
202.237.245.0/24Japan—000.00%
202.237.246.0/24Japan—000.00%
202.237.247.0/24Japan—000.00%
202.237.248.0/24Japan—000.00%
202.237.249.0/24Japan—000.00%
202.237.250.0/24Japan—000.00%
202.237.251.0/24Japan—000.00%
202.237.252.0/24Japan—000.00%
202.237.253.0/24Japan—000.00%
202.237.254.0/24Japan—000.00%
202.237.255.0/24JapanAS2907Research Organization of Information and Systems, National Institute of Informatics100.39%
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.