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InternetData
65,536 routable8 ASes
/16 subnet

219.121.0.0/16

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
8
announcing ASes
11
announced prefixes
2,450
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. AS4685Asahi Net16,384 · 25.00%
  2. AS9595NTT-ME Corporation16,384 · 25.00%
  3. AS2497Internet Initiative Japan Inc.8,192 · 12.50%
  4. AS59108KATCH NETWORK INC.8,192 · 12.50%
  5. AS18121Ishikawa Computer Center Co.,LTD.7,680 · 11.72%
  6. AS7676TAM Co., Ltd.4,096 · 6.25%
  7. AS9374EDION Corporation4,096 · 6.25%
  8. AS2519ARTERIA Networks Corporation512 · 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.

11 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
219.121.0.0/18AS4685Asahi NetJapanValid172026-10-02
219.121.64.0/18AS9595NTT-ME CorporationJapanNot found172026-10-02
219.121.128.0/19AS59108KATCH NETWORK INC.JapanValid172026-10-02
219.121.128.0/20AS59108KATCH NETWORK INC.JapanValid172026-10-02
219.121.144.0/20AS59108KATCH NETWORK INC.JapanValid172026-10-02
219.121.160.0/19AS2497Internet Initiative Japan Inc.JapanValid172026-10-02
219.121.192.0/20AS9374EDION CorporationJapanValid172026-10-02
219.121.208.0/20AS7676TAM Co., Ltd.JapanNot found172026-10-02
219.121.224.0/19AS18121Ishikawa Computer Center Co.,LTD.JapanValid172026-10-02
219.121.249.0/24AS2519ARTERIA Networks CorporationJapanValid172026-10-02
219.121.255.0/24AS2519ARTERIA Networks CorporationJapanValid172026-10-02

Every /24 inside it

219.121.0.0/24JapanAS4685Asahi Net60023.44%
219.121.1.0/24JapanAS4685Asahi Net65025.39%
219.121.2.0/24JapanAS4685Asahi Net65025.39%
219.121.3.0/24JapanAS4685Asahi Net50019.53%
219.121.4.0/24JapanAS4685Asahi Net2308.98%
219.121.5.0/24JapanAS4685Asahi Net28010.94%
219.121.6.0/24JapanAS4685Asahi Net1807.03%
219.121.7.0/24JapanAS4685Asahi Net88034.38%
219.121.8.0/24JapanAS4685Asahi Net2208.59%
219.121.9.0/24JapanAS4685Asahi Net1907.42%
219.121.10.0/24JapanAS4685Asahi Net38014.84%
219.121.11.0/24JapanAS4685Asahi Net53020.70%
219.121.12.0/24JapanAS4685Asahi Net000.00%
219.121.13.0/24JapanAS4685Asahi Net32012.50%
219.121.14.0/24JapanAS4685Asahi Net000.00%
219.121.15.0/24JapanAS4685Asahi Net38014.84%
219.121.16.0/24JapanAS4685Asahi Net94036.72%
219.121.17.0/24JapanAS4685Asahi Net73028.52%
219.121.18.0/24JapanAS4685Asahi Net000.00%
219.121.19.0/24JapanAS4685Asahi Net000.00%
219.121.20.0/24JapanAS4685Asahi Net000.00%
219.121.21.0/24JapanAS4685Asahi Net000.00%
219.121.22.0/24JapanAS4685Asahi Net000.00%
219.121.23.0/24JapanAS4685Asahi Net000.00%
219.121.24.0/24JapanAS4685Asahi Net000.00%
219.121.25.0/24JapanAS4685Asahi Net000.00%
219.121.26.0/24JapanAS4685Asahi Net000.00%
219.121.27.0/24JapanAS4685Asahi Net000.00%
219.121.28.0/24JapanAS4685Asahi Net78030.47%
219.121.29.0/24JapanAS4685Asahi Net98038.28%
219.121.30.0/24JapanAS4685Asahi Net2409.38%
219.121.31.0/24JapanAS4685Asahi Net126049.22%
219.121.32.0/24JapanAS4685Asahi Net101039.45%
219.121.33.0/24JapanAS4685Asahi Net70027.34%
219.121.34.0/24JapanAS4685Asahi Net000.00%
219.121.35.0/24JapanAS4685Asahi Net000.00%
219.121.36.0/24JapanAS4685Asahi Net000.00%
219.121.37.0/24JapanAS4685Asahi Net000.00%
219.121.38.0/24JapanAS4685Asahi Net000.00%
219.121.39.0/24JapanAS4685Asahi Net000.00%
219.121.40.0/24JapanAS4685Asahi Net000.00%
219.121.41.0/24JapanAS4685Asahi Net000.00%
219.121.42.0/24JapanAS4685Asahi Net000.00%
219.121.43.0/24JapanAS4685Asahi Net200.78%
219.121.44.0/24JapanAS4685Asahi Net000.00%
219.121.45.0/24JapanAS4685Asahi Net000.00%
219.121.46.0/24JapanAS4685Asahi Net000.00%
219.121.47.0/24JapanAS4685Asahi Net1003.91%
219.121.48.0/24JapanAS4685Asahi Net501.95%
219.121.49.0/24JapanAS4685Asahi Net501.95%
219.121.50.0/24JapanAS4685Asahi Net2509.77%
219.121.51.0/24JapanAS4685Asahi Net1505.86%
219.121.52.0/24JapanAS4685Asahi Net43016.80%
219.121.53.0/24JapanAS4685Asahi Net33012.89%
219.121.54.0/24JapanAS4685Asahi Net1807.03%
219.121.55.0/24JapanAS4685Asahi Net1706.64%
219.121.56.0/24JapanAS4685Asahi Net85033.20%
219.121.57.0/24JapanAS4685Asahi Net45017.58%
219.121.58.0/24JapanAS4685Asahi Net000.00%
219.121.59.0/24JapanAS4685Asahi Net000.00%
219.121.60.0/24JapanAS4685Asahi Net000.00%
219.121.61.0/24JapanAS4685Asahi Net000.00%
219.121.62.0/24JapanAS4685Asahi Net602.34%
219.121.63.0/24JapanAS4685Asahi Net1807.03%
219.121.64.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.65.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.66.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.67.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.68.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.69.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.70.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.71.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.72.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.73.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.74.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.75.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.76.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.77.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.78.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.79.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.80.0/24JapanAS9595NTT-ME Corporation103040.23%
219.121.81.0/24JapanAS9595NTT-ME Corporation104040.63%
219.121.82.0/24JapanAS9595NTT-ME Corporation104040.63%
219.121.83.0/24JapanAS9595NTT-ME Corporation96037.50%
219.121.84.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.85.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.86.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.87.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.88.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.89.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.90.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.91.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.92.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.93.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.94.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.95.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.96.0/24JapanAS9595NTT-ME Corporation77030.08%
219.121.97.0/24JapanAS9595NTT-ME Corporation70027.34%
219.121.98.0/24JapanAS9595NTT-ME Corporation81031.64%
219.121.99.0/24JapanAS9595NTT-ME Corporation68026.56%
219.121.100.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.101.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.102.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.103.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.104.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.105.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.106.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.107.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.108.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.109.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.110.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.111.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.112.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.113.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.114.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.115.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.116.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.117.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.118.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.119.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.120.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.121.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.122.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.123.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.124.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.125.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.126.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.127.0/24JapanAS9595NTT-ME Corporation000.00%
219.121.128.0/24JapanAS59108KATCH NETWORK INC.803.13%
219.121.129.0/24JapanAS59108KATCH NETWORK INC.702.73%
219.121.130.0/24JapanAS59108KATCH NETWORK INC.501.95%
219.121.131.0/24JapanAS59108KATCH NETWORK INC.702.73%
219.121.132.0/24JapanAS59108KATCH NETWORK INC.702.73%
219.121.133.0/24JapanAS59108KATCH NETWORK INC.200.78%
219.121.134.0/24JapanAS59108KATCH NETWORK INC.803.13%
219.121.135.0/24JapanAS59108KATCH NETWORK INC.200.78%
219.121.136.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.137.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.138.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.139.0/24JapanAS59108KATCH NETWORK INC.602.34%
219.121.140.0/24JapanAS59108KATCH NETWORK INC.200.78%
219.121.141.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.142.0/24JapanAS59108KATCH NETWORK INC.1003.91%
219.121.143.0/24JapanAS59108KATCH NETWORK INC.1104.30%
219.121.144.0/24JapanAS59108KATCH NETWORK INC.501.95%
219.121.145.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.146.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.147.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.148.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.149.0/24JapanAS59108KATCH NETWORK INC.200.78%
219.121.150.0/24JapanAS59108KATCH NETWORK INC.702.73%
219.121.151.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.152.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.153.0/24JapanAS59108KATCH NETWORK INC.000.00%
219.121.154.0/24JapanAS59108KATCH NETWORK INC.602.34%
219.121.155.0/24JapanAS59108KATCH NETWORK INC.401.56%
219.121.156.0/24JapanAS59108KATCH NETWORK INC.602.34%
219.121.157.0/24JapanAS59108KATCH NETWORK INC.803.13%
219.121.158.0/24JapanAS59108KATCH NETWORK INC.100.39%
219.121.159.0/24JapanAS59108KATCH NETWORK INC.100.39%
219.121.160.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.161.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.162.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.163.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.164.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.165.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.166.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.167.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.168.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.169.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.170.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.171.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.172.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.173.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.174.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.175.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.176.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.177.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.178.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.179.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.180.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.181.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.182.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.183.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.184.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.185.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.186.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.187.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.188.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.189.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.190.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.191.0/24JapanAS2497Internet Initiative Japan Inc.000.00%
219.121.192.0/24JapanAS9374EDION Corporation000.00%
219.121.193.0/24JapanAS9374EDION Corporation000.00%
219.121.194.0/24JapanAS9374EDION Corporation000.00%
219.121.195.0/24JapanAS9374EDION Corporation000.00%
219.121.196.0/24JapanAS9374EDION Corporation000.00%
219.121.197.0/24JapanAS9374EDION Corporation000.00%
219.121.198.0/24JapanAS9374EDION Corporation000.00%
219.121.199.0/24JapanAS9374EDION Corporation000.00%
219.121.200.0/24JapanAS9374EDION Corporation000.00%
219.121.201.0/24JapanAS9374EDION Corporation000.00%
219.121.202.0/24JapanAS9374EDION Corporation000.00%
219.121.203.0/24JapanAS9374EDION Corporation000.00%
219.121.204.0/24JapanAS9374EDION Corporation000.00%
219.121.205.0/24JapanAS9374EDION Corporation000.00%
219.121.206.0/24JapanAS9374EDION Corporation000.00%
219.121.207.0/24JapanAS9374EDION Corporation000.00%
219.121.208.0/24JapanAS7676TAM Co., Ltd.3256100.00%
219.121.209.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.210.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.211.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.212.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.213.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.214.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.215.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.216.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.217.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.218.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.219.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.220.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.221.0/24JapanAS7676TAM Co., Ltd.100.39%
219.121.222.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.223.0/24JapanAS7676TAM Co., Ltd.000.00%
219.121.224.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.200.78%
219.121.225.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.0256100.00%
219.121.226.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.227.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.0256100.00%
219.121.228.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.702.73%
219.121.229.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.1204.69%
219.121.230.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.231.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.232.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.9256100.00%
219.121.233.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.0256100.00%
219.121.234.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.100.39%
219.121.235.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.0256100.00%
219.121.236.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.237.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.238.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.239.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.240.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.241.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.242.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.243.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.244.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.245.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.246.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.247.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.248.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.249.0/24JapanAS2519ARTERIA Networks Corporation000.00%
219.121.250.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.251.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.252.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.253.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.000.00%
219.121.254.0/24JapanAS18121Ishikawa Computer Center Co.,LTD.100.39%
219.121.255.0/24JapanAS2519ARTERIA Networks Corporation000.00%
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.