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HomeAll IP Ranges21.0.0.0/8
16,777,216 routable1 ASes
/8 block

21.0.0.0/8

Where this block is, who announces it, and what our databases hold in it. Below, every /16 inside it; open one for its /24 subnets.

16,777,216
routable addresses
16,777,216
geolocated
1
country
1
announcing AS
5
announced prefixes
74
anonymous addresses

Where it is

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

  1. United States16,777,216 · 100.00%

Who announces it

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

  1. AS749United States Department of Defense (DoD)16,777,216 · 100.00%

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.

5 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
21.0.0.0/8AS749United States Department of Defense (DoD)United Statesnot found162026-10-02
21.23.4.0/24AS749United States Department of Defense (DoD)United Statesnot found172026-10-02
21.23.7.0/24AS749United States Department of Defense (DoD)United Statesnot found172026-10-02
21.23.13.0/24AS749United States Department of Defense (DoD)United Statesnot found172026-10-02
21.68.124.0/24AS749United States Department of Defense (DoD)United Statesnot found172026-10-02

Every /16 inside it

21.0.0.0/16United StatesAS749United States Department of Defense (DoD)600.01%
21.1.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.2.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.3.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.4.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.5.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.6.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.7.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.8.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.9.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.10.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.11.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.12.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.13.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.14.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.15.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.16.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.17.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.18.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.19.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.20.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.21.0.0/16United StatesAS749United States Department of Defense (DoD)6700.10%
21.22.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.23.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.24.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.25.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.26.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.27.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.28.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.29.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.30.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.31.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.32.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.33.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.34.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.35.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.36.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.37.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.38.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.39.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.40.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.41.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.42.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.43.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.44.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.45.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.46.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.47.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.48.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.49.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.50.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.51.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.52.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.53.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.54.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.55.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.56.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.57.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.58.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.59.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.60.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.61.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.62.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.63.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.64.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.65.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.66.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.67.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.68.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.69.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.70.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.71.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.72.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.73.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.74.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.75.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.76.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.77.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.78.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.79.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.80.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.81.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.82.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.83.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.84.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.85.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.86.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.87.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.88.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.89.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.90.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.91.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.92.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.93.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.94.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.95.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.96.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.97.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.98.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.99.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.100.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.101.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.102.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.103.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.104.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.105.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.106.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.107.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.108.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.109.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.110.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.111.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.112.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.113.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.114.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.115.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.116.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.117.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.118.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.119.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.120.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.121.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.122.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.123.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.124.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.125.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.126.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.127.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.128.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.129.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.130.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.131.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.132.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.133.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.134.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.135.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.136.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.137.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.138.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.139.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.140.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.141.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.142.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.143.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.144.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.145.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.146.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.147.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.148.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.149.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.150.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.151.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.152.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.153.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.154.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.155.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.156.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.157.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.158.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.159.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.160.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.161.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.162.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.163.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.164.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.165.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.166.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.167.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.168.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.169.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.170.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.171.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.172.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.173.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.174.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.175.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.176.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.177.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.178.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.179.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.180.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.181.0.0/16United StatesAS749United States Department of Defense (DoD)100.00%
21.182.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.183.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.184.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.185.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.186.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.187.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.188.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.189.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.190.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.191.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.192.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.193.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.194.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.195.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.196.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.197.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.198.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.199.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.200.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.201.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.202.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.203.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.204.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.205.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.206.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.207.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.208.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.209.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.210.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.211.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.212.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.213.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.214.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.215.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.216.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.217.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.218.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.219.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.220.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.221.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.222.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.223.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.224.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.225.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.226.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.227.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.228.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.229.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.230.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.231.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.232.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.233.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.234.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.235.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.236.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.237.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.238.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.239.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.240.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.241.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.242.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.243.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.244.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.245.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.246.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.247.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.248.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.249.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.250.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.251.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.252.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.253.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.254.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
21.255.0.0/16United StatesAS749United States Department of Defense (DoD)000.00%
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands — every row, every column, 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, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.