Skip to content
InternetData
Log inSign up
HomeAll IP Ranges205.0.0.0/8205.243.0.0/16
65,536 routable5 ASes
/16 subnet

205.243.0.0/16

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

205.242.0.0/16205.244.0.0/16
65,536
routable addresses
65,536
geolocated
1
country
5
announcing ASes
8
announced prefixes
20
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. AS174Cogent Communications, LLC58,880 · 89.84%
  2. AS14828Hiawatha Broadband Communications, Inc3,584 · 5.47%
  3. AS40508Mid America Nazarene University2,048 · 3.13%
  4. AS11924Montana Opticom, LLC512 · 0.78%
  5. AS17301Fastenal Company512 · 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.

8 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
205.243.61.0/24AS174Cogent Communications, LLCUnited Statesnot found162026-10-02
205.243.64.0/21AS40508Mid America Nazarene UniversityUnited Statesnot found162026-10-02
205.243.71.0/24AS40508Mid America Nazarene UniversityUnited Statesnot found162026-10-02
205.243.72.0/23AS11924Montana Opticom, LLCUnited Statesnot found162026-10-02
205.243.112.0/23AS17301Fastenal CompanyUnited Statesnot found172026-10-02
205.243.114.0/23AS14828Hiawatha Broadband Communications, IncUnited Statesnot found172026-10-02
205.243.116.0/22AS14828Hiawatha Broadband Communications, IncUnited Statesnot found172026-10-02
205.243.120.0/21AS14828Hiawatha Broadband Communications, IncUnited Statesnot found172026-10-02

Every /24 inside it

205.243.0.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.1.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.2.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.3.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.4.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.5.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.6.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.7.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.8.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.9.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.10.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.11.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.12.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.13.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.14.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.15.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.16.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.17.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.18.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.19.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.20.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.21.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.22.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.23.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.24.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.25.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.26.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.27.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.28.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.29.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.30.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.31.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.32.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.33.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.34.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.35.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.36.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.37.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.38.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.39.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.40.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.41.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.42.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.43.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.44.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.45.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.46.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.47.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.48.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.49.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.50.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.51.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.52.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.53.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.54.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.55.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.56.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.57.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.58.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.59.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.60.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.61.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.62.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.63.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.64.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.65.0/24United StatesAS40508Mid America Nazarene University100.39%
205.243.66.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.67.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.68.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.69.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.70.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.71.0/24United StatesAS40508Mid America Nazarene University000.00%
205.243.72.0/24United StatesAS11924Montana Opticom, LLC200.78%
205.243.73.0/24United StatesAS11924Montana Opticom, LLC200.78%
205.243.74.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.75.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.76.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.77.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.78.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.79.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.80.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.81.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.82.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.83.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.84.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.85.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.86.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.87.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.88.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.89.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.90.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.91.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.92.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.93.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.94.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.95.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.96.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.97.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.98.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.99.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.100.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.101.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.102.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.103.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.104.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.105.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.106.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.107.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.108.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.109.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.110.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.111.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.112.0/24United StatesAS17301Fastenal Company100.39%
205.243.113.0/24United StatesAS17301Fastenal Company000.00%
205.243.114.0/24United StatesAS14828Hiawatha Broadband Communications, Inc000.00%
205.243.115.0/24United StatesAS14828Hiawatha Broadband Communications, Inc000.00%
205.243.116.0/24United StatesAS14828Hiawatha Broadband Communications, Inc401.56%
205.243.117.0/24United StatesAS14828Hiawatha Broadband Communications, Inc000.00%
205.243.118.0/24United StatesAS14828Hiawatha Broadband Communications, Inc200.78%
205.243.119.0/24United StatesAS14828Hiawatha Broadband Communications, Inc000.00%
205.243.120.0/24United StatesAS14828Hiawatha Broadband Communications, Inc100.39%
205.243.121.0/24United StatesAS14828Hiawatha Broadband Communications, Inc100.39%
205.243.122.0/24United StatesAS14828Hiawatha Broadband Communications, Inc100.39%
205.243.123.0/24United StatesAS14828Hiawatha Broadband Communications, Inc000.00%
205.243.124.0/24United StatesAS14828Hiawatha Broadband Communications, Inc100.39%
205.243.125.0/24United StatesAS14828Hiawatha Broadband Communications, Inc100.39%
205.243.126.0/24United StatesAS14828Hiawatha Broadband Communications, Inc301.17%
205.243.127.0/24United StatesAS14828Hiawatha Broadband Communications, Inc000.00%
205.243.128.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.129.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.130.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.131.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.132.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.133.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.134.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.135.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.136.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.137.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.138.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.139.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.140.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.141.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.142.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.143.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.144.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.145.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.146.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.147.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.148.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.149.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.150.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.151.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.152.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.153.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.154.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.155.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.156.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.157.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.158.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.159.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.160.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.161.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.162.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.163.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.164.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.165.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.166.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.167.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.168.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.169.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.170.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.171.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.172.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.173.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.174.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.175.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.176.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.177.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.178.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.179.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.180.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.181.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.182.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.183.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.184.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.185.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.186.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.187.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.188.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.189.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.190.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.191.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.192.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.193.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.194.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.195.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.196.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.197.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.198.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.199.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.200.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.201.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.202.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.203.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.204.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.205.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.206.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.207.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.208.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.209.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.210.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.211.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.212.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.213.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.214.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.215.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.216.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.217.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.218.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.219.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.220.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.221.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.222.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.223.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.224.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.225.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.226.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.227.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.228.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.229.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.230.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.231.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.232.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.233.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.234.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.235.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.236.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.237.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.238.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.239.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.240.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.241.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.242.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.243.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.244.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.245.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.246.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.247.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.248.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.249.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.250.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.251.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.252.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.253.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.254.0/24United StatesAS174Cogent Communications, LLC000.00%
205.243.255.0/24United StatesAS174Cogent Communications, 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.

Request evaluationDownload sample
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.
Get a quoteCompare licenses