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HomeAll IP Ranges209.0.0.0/8209.243.0.0/16
65,536 routable5 ASes
/16 subnet

209.243.0.0/16

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

209.242.0.0/16209.244.0.0/16
65,536
routable addresses
65,536
geolocated
1
country
5
announcing ASes
22
announced prefixes
102
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. AS63414Dakota Central Telecommunications Cooperative5,120 · 7.81%
  2. AS21767Washington College4,096 · 6.25%
  3. AS12042Fidium2,304 · 3.52%
  4. AS14090North Dakota Telephone Co.512 · 0.78%
  5. AS2386AT&T Enterprises, LLC256 · 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.

22 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
209.243.0.0/21AS63414Dakota Central Telecommunications CooperativeUnited Statesvalid182026-10-02
209.243.8.0/22AS63414Dakota Central Telecommunications CooperativeUnited Statesvalid182026-10-02
209.243.12.0/22AS12042FidiumUnited Statesnot found172026-10-02
209.243.16.0/21AS63414Dakota Central Telecommunications CooperativeUnited Statesvalid182026-10-02
209.243.24.0/23AS12042FidiumUnited Statesnot found172026-10-02
209.243.26.0/23AS12042FidiumUnited Statesnot found172026-10-02
209.243.28.0/23AS14090North Dakota Telephone Co.United Statesvalid182026-10-02
209.243.30.0/24AS12042FidiumUnited Statesnot found172026-10-02
209.243.32.0/21AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.32.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.33.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.34.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.35.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.39.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.40.0/21AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.40.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.41.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.42.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.44.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.46.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.47.0/24AS21767Washington CollegeUnited Statesnot found192026-10-02
209.243.128.0/24AS2386AT&T Enterprises, LLCUnited Statesnot found172026-10-02

Every /24 inside it

209.243.0.0/24United StatesAS63414Dakota Central Telecommunications Cooperative803.13%
209.243.1.0/24United StatesAS63414Dakota Central Telecommunications Cooperative100.39%
209.243.2.0/24United StatesAS63414Dakota Central Telecommunications Cooperative301.17%
209.243.3.0/24United StatesAS63414Dakota Central Telecommunications Cooperative301.17%
209.243.4.0/24United StatesAS63414Dakota Central Telecommunications Cooperative200.78%
209.243.5.0/24United StatesAS63414Dakota Central Telecommunications Cooperative301.17%
209.243.6.0/24United StatesAS63414Dakota Central Telecommunications Cooperative100.39%
209.243.7.0/24United StatesAS63414Dakota Central Telecommunications Cooperative301.17%
209.243.8.0/24United StatesAS63414Dakota Central Telecommunications Cooperative501.95%
209.243.9.0/24United StatesAS63414Dakota Central Telecommunications Cooperative602.34%
209.243.10.0/24United StatesAS63414Dakota Central Telecommunications Cooperative702.73%
209.243.11.0/24United StatesAS63414Dakota Central Telecommunications Cooperative401.56%
209.243.12.0/24United StatesAS12042Fidium200.78%
209.243.13.0/24United StatesAS12042Fidium803.13%
209.243.14.0/24United StatesAS12042Fidium401.56%
209.243.15.0/24United StatesAS12042Fidium100.39%
209.243.16.0/24United StatesAS63414Dakota Central Telecommunications Cooperative301.17%
209.243.17.0/24United StatesAS63414Dakota Central Telecommunications Cooperative602.34%
209.243.18.0/24United StatesAS63414Dakota Central Telecommunications Cooperative000.00%
209.243.19.0/24United StatesAS63414Dakota Central Telecommunications Cooperative602.34%
209.243.20.0/24United StatesAS63414Dakota Central Telecommunications Cooperative200.78%
209.243.21.0/24United StatesAS63414Dakota Central Telecommunications Cooperative100.39%
209.243.22.0/24United StatesAS63414Dakota Central Telecommunications Cooperative602.34%
209.243.23.0/24United StatesAS63414Dakota Central Telecommunications Cooperative200.78%
209.243.24.0/24United StatesAS12042Fidium602.34%
209.243.25.0/24United StatesAS12042Fidium0256100.00%
209.243.26.0/24United StatesAS12042Fidium100.39%
209.243.27.0/24United StatesAS12042Fidium000.00%
209.243.28.0/24United StatesAS14090North Dakota Telephone Co.100.39%
209.243.29.0/24United StatesAS14090North Dakota Telephone Co.401.56%
209.243.30.0/24United StatesAS12042Fidium000.00%
209.243.31.0/24United States—000.00%
209.243.32.0/24United StatesAS21767Washington College200.78%
209.243.33.0/24United StatesAS21767Washington College000.00%
209.243.34.0/24United StatesAS21767Washington College000.00%
209.243.35.0/24United StatesAS21767Washington College000.00%
209.243.36.0/24United StatesAS21767Washington College000.00%
209.243.37.0/24United StatesAS21767Washington College000.00%
209.243.38.0/24United StatesAS21767Washington College000.00%
209.243.39.0/24United StatesAS21767Washington College000.00%
209.243.40.0/24United StatesAS21767Washington College000.00%
209.243.41.0/24United StatesAS21767Washington College000.00%
209.243.42.0/24United StatesAS21767Washington College000.00%
209.243.43.0/24United StatesAS21767Washington College000.00%
209.243.44.0/24United StatesAS21767Washington College100.39%
209.243.45.0/24United StatesAS21767Washington College000.00%
209.243.46.0/24United StatesAS21767Washington College000.00%
209.243.47.0/24United StatesAS21767Washington College000.00%
209.243.48.0/24United States—000.00%
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209.243.104.0/24United States—000.00%
209.243.105.0/24United States—000.00%
209.243.106.0/24United States—000.00%
209.243.107.0/24United States—000.00%
209.243.108.0/24United States—000.00%
209.243.109.0/24United States—000.00%
209.243.110.0/24United States—000.00%
209.243.111.0/24United States—000.00%
209.243.112.0/24United States—000.00%
209.243.113.0/24United States—000.00%
209.243.114.0/24United States—000.00%
209.243.115.0/24United States—000.00%
209.243.116.0/24United States—000.00%
209.243.117.0/24United States—000.00%
209.243.118.0/24United States—000.00%
209.243.119.0/24United States—000.00%
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209.243.122.0/24United States—000.00%
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209.243.125.0/24United States—000.00%
209.243.126.0/24United States—000.00%
209.243.127.0/24United States—000.00%
209.243.128.0/24United StatesAS2386AT&T Enterprises, LLC000.00%
209.243.129.0/24United States—000.00%
209.243.130.0/24United States—000.00%
209.243.131.0/24United States—000.00%
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