Skip to content
InternetData
65,536 routable5 ASes
/16 subnet

12.21.0.0/16

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
5
announcing ASes
4
announced prefixes
143
anonymous addresses

Where it is

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

  1. United States65,536 · 100.00%

Who announces it

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

  1. AS7018AT&T Enterprises, LLC64,512 · 98.44%
  2. AS11891City of San Leandro256 · 0.39%
  3. AS13760Uniti Fiber Holdings Inc.256 · 0.39%
  4. AS26345256 · 0.39%
  5. AS30525Global Linking Solutions256 · 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.

4 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
12.21.93.0/24AS26345United StatesNot found182026-10-02
12.21.101.0/24AS11891City of San LeandroUnited StatesNot found172026-10-02
12.21.155.0/24AS13760Uniti Fiber Holdings Inc.United StatesNot found172026-10-02
12.21.228.0/24AS30525Global Linking SolutionsUnited StatesNot found172026-10-02

Every /24 inside it

12.21.0.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.1.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.2.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.3.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.4.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.5.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.6.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.7.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.8.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.9.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.10.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.11.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.12.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.13.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.14.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.15.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.16.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.17.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.18.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.19.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.20.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.21.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.22.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.23.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.24.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.25.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.26.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.27.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.28.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.29.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.30.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.31.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.32.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.33.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.34.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.35.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.36.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.37.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.38.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.39.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.40.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.41.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.42.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.43.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.44.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.45.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.46.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.47.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.48.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.49.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.50.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.51.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.52.0/24United StatesAS7018AT&T Enterprises, LLC602.34%
12.21.53.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.54.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.55.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.56.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.57.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.58.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.59.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.60.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.61.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.62.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.63.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.64.0/24United StatesAS7018AT&T Enterprises, LLC903.52%
12.21.65.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.66.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.67.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.68.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.69.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.70.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.71.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.72.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.73.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.74.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.75.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.76.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.77.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.78.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.79.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.80.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.81.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.82.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.83.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.84.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.85.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.86.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.87.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.88.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.89.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.90.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.91.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.92.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.93.0/24United StatesAS26345AS26345100.39%
12.21.94.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.95.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.96.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.97.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.98.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.99.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.100.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.101.0/24United StatesAS11891City of San Leandro100.39%
12.21.102.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.103.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.104.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.105.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.106.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.107.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.108.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.109.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.110.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.111.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.112.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.113.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.114.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.115.0/24United StatesAS7018AT&T Enterprises, LLC301.17%
12.21.116.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.117.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.118.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.119.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.120.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.121.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.122.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.123.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.124.0/24United StatesAS7018AT&T Enterprises, LLC401.56%
12.21.125.0/24United StatesAS7018AT&T Enterprises, LLC602.34%
12.21.126.0/24United StatesAS7018AT&T Enterprises, LLC501.95%
12.21.127.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.128.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.129.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.130.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.131.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.132.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.133.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.134.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.135.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.136.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.137.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.138.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.139.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.140.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.141.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.142.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.143.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.144.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.145.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.146.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.147.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.148.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.149.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.150.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.151.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.152.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.153.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.154.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.155.0/24United StatesAS13760Uniti Fiber Holdings Inc.000.00%
12.21.156.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.157.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.158.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.159.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.160.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.161.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.162.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.163.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.164.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.165.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.166.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.167.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.168.0/24United StatesAS7018AT&T Enterprises, LLC602.34%
12.21.169.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.170.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.171.0/24United StatesAS7018AT&T Enterprises, LLC602.34%
12.21.172.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.173.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.174.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.175.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.176.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.177.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.178.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.179.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.180.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.181.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.182.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.183.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.184.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.185.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.186.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.187.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.188.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.189.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.190.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.191.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.192.0/24United StatesAS7018AT&T Enterprises, LLC401.56%
12.21.193.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.194.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.195.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.196.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.197.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.198.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.199.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.200.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.201.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.202.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.203.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.204.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.205.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.206.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.207.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.208.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.209.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.210.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.211.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.212.0/24United StatesAS7018AT&T Enterprises, LLC200.78%
12.21.213.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.214.0/24United StatesAS7018AT&T Enterprises, LLC803.13%
12.21.215.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.216.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.217.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.218.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.219.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.220.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.221.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.222.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.223.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.224.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.225.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.226.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.227.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.228.0/24United StatesAS30525Global Linking Solutions000.00%
12.21.229.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.230.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.231.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.232.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.233.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.234.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.235.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.236.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.237.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.238.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.239.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.240.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.241.0/24United StatesAS7018AT&T Enterprises, LLC100.39%
12.21.242.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.243.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.244.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.245.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.246.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.247.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.248.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.249.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.250.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.251.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.252.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.253.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.254.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
12.21.255.0/24United StatesAS7018AT&T Enterprises, LLC000.00%
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.