Skip to content
65,536 routable29 ASes
/16 subnet

199.242.0.0/16

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
59,392
geolocated
3
countries
29
announcing ASes
50
announced prefixes
63
anonymous addresses

Where it is

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

  1. United States59,124 · 99.55%
  2. Canada256 · 0.43%
  3. Ireland12 · 0.02%

Who announces it

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

top 25 of 29
  1. AS22472Florida Supreme Court16,384 · 25.00%
  2. AS8075Microsoft6,144 · 9.38%
  3. AS3561CenturyLink Communications, LLC2,560 · 3.91%
  4. AS10327ComputerLand of Boise2,048 · 3.13%
  5. AS22702RingSquared2,048 · 3.13%
  6. AS13998University of Texas Southwestern Medical Center1,536 · 2.34%
  7. AS31747BlackRock Financial Management, Inc.1,280 · 1.95%
  8. AS46970Allband Communications Cooperative1,024 · 1.56%
  9. AS3477National Oceanic and Atmospheric Administration768 · 1.17%
  10. AS17150America First Credit Union512 · 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.

50 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
199.242.0.0/23AS31747BlackRock Financial Management, Inc.United Statesnot found172026-10-02
199.242.4.0/24AS31747BlackRock Financial Management, Inc.United Statesnot found172026-10-02
199.242.5.0/24AS31747BlackRock Financial Management, Inc.United Statesnot found172026-10-02
199.242.6.0/24AS31747BlackRock Financial Management, Inc.United Statesnot found172026-10-02
199.242.8.0/21AS10327ComputerLand of BoiseUnited Statesnot found172026-10-02
199.242.16.0/21AS3561CenturyLink Communications, LLCUnited Statesnot found172026-10-02
199.242.24.0/23AS3561CenturyLink Communications, LLCUnited Statesnot found172026-10-02
199.242.26.0/24AS17150America First Credit UnionUnited Statesvalid172026-10-02
199.242.27.0/24AS17150America First Credit UnionUnited Statesvalid172026-10-02
199.242.28.0/22AS46970Allband Communications CooperativeUnited Statesvalid172026-10-02
199.242.28.0/24AS46970Allband Communications CooperativeUnited Statesvalid172026-10-02
199.242.30.0/24AS46970Allband Communications CooperativeUnited Statesvalid172026-10-02
199.242.32.0/20AS8075MicrosoftUnited Statesvalid172026-10-02
199.242.48.0/21AS8075MicrosoftUnited Statesvalid172026-10-02
199.242.56.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.57.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.58.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.59.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.60.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.61.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.62.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.63.0/24AS22702RingSquaredUnited Statesnot found182026-10-02
199.242.64.0/18AS22472Florida Supreme CourtUnited Statesnot found202026-10-02
199.242.64.0/24AS22472Florida Supreme CourtUnited Statesnot found172026-10-02
199.242.114.0/24AS22472Florida Supreme CourtUnited Statesnot found202026-10-02
199.242.115.0/24AS22472Florida Supreme CourtUnited Statesnot found202026-10-02
199.242.135.0/24AS40425GREAT LAKES DATA SYSTEMS, INC.United Statesnot found172026-10-02
199.242.140.0/24AS400502XtenitUnited Statesvalid172026-10-02
199.242.141.0/24AS3549Level 3 Parent, LLCUnited Statesnot found152026-10-02
199.242.144.0/24AS393385National Vision, Inc.United Statesnot found182026-10-02
199.242.168.0/24AS13930The Children's Mercy HospitalUnited Statesnot found182026-10-02
199.242.174.0/24AS54547Bergen County Cooperative Library SystemUnited Statesnot found172026-10-02
199.242.176.0/24AS2381WiscNetUnited Statesnot found202026-10-02
199.242.177.0/24AS46651Optimized Micro Devices LLCUnited Statesnot found172026-10-02
199.242.192.0/24AS4581Socket Holdings CorporationUnited Statesnot found182026-10-02
199.242.206.0/24AS399330Cascade CorporationUnited Statesnot found172026-10-02
199.242.207.0/24AS399330Cascade CorporationUnited Statesnot found172026-10-02
199.242.209.0/24AS394533Roanoke CollegeUnited Statesnot found172026-10-02
199.242.211.0/24AS3719State of Connecticut Judicial BranchUnited Statesnot found172026-10-02
199.242.219.0/24AS402366Soheil Digital Solutions Ltd.Canadavalid172026-10-02
199.242.223.0/24AS14749Russellville Electric Plant BoardUnited Statesvalid182026-10-02
199.242.231.0/24AS3477National Oceanic and Atmospheric AdministrationUnited Statesvalid192026-10-02
199.242.232.0/23AS3477National Oceanic and Atmospheric AdministrationUnited Statesvalid192026-10-02
199.242.234.0/23AS13998University of Texas Southwestern Medical CenterUnited Statesnot found192026-10-02
199.242.236.0/22AS13998University of Texas Southwestern Medical CenterUnited Statesnot found192026-10-02
199.242.242.0/24AS20473The Constant Company, LLCUnited Statesnot found172026-10-02
199.242.244.0/24AS18530Isomedia, Inc.United Statesnot found172026-10-02
199.242.245.0/24AS11852White House Custom Colour, IncUnited Statesvalid172026-10-02
199.242.250.0/24AS398433Manatt, Phelps & PhillipsUnited Statesnot found172026-10-02
199.242.255.0/24AS14618Amazon.com, Inc.United Statesvalid182026-10-02

Every /24 inside it

199.242.0.0/24United StatesAS31747BlackRock Financial Management, Inc.000.00%
199.242.1.0/24United StatesAS31747BlackRock Financial Management, Inc.000.00%
199.242.2.0/24United States—000.00%
199.242.3.0/24United States—000.00%
199.242.4.0/24United StatesAS31747BlackRock Financial Management, Inc.000.00%
199.242.5.0/24United StatesAS31747BlackRock Financial Management, Inc.000.00%
199.242.6.0/24United StatesAS31747BlackRock Financial Management, Inc.000.00%
199.242.7.0/24United States—000.00%
199.242.8.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.9.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.10.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.11.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.12.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.13.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.14.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.15.0/24United StatesAS10327ComputerLand of Boise000.00%
199.242.16.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.17.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.18.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.19.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.20.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.21.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.22.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.23.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.24.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.25.0/24United StatesAS3561CenturyLink Communications, LLC000.00%
199.242.26.0/24United StatesAS17150America First Credit Union000.00%
199.242.27.0/24United StatesAS17150America First Credit Union000.00%
199.242.28.0/24United StatesAS46970Allband Communications Cooperative401.56%
199.242.29.0/24United StatesAS46970Allband Communications Cooperative301.17%
199.242.30.0/24United StatesAS46970Allband Communications Cooperative000.00%
199.242.31.0/24United StatesAS46970Allband Communications Cooperative9256100.00%
199.242.32.0/24United StatesAS8075Microsoft0256100.00%
199.242.33.0/24United StatesAS8075Microsoft0256100.00%
199.242.34.0/24United StatesAS8075Microsoft0256100.00%
199.242.35.0/24United StatesAS8075Microsoft0256100.00%
199.242.36.0/24United StatesAS8075Microsoft0256100.00%
199.242.37.0/24United StatesAS8075Microsoft0256100.00%
199.242.38.0/24United StatesAS8075Microsoft0256100.00%
199.242.39.0/24United StatesAS8075Microsoft0256100.00%
199.242.40.0/24United StatesAS8075Microsoft0256100.00%
199.242.41.0/24United StatesAS8075Microsoft0256100.00%
199.242.42.0/24United StatesAS8075Microsoft0256100.00%
199.242.43.0/24United StatesAS8075Microsoft0256100.00%
199.242.44.0/24United StatesAS8075Microsoft0256100.00%
199.242.45.0/24United StatesAS8075Microsoft0256100.00%
199.242.46.0/24United StatesAS8075Microsoft0256100.00%
199.242.47.0/24United StatesAS8075Microsoft0256100.00%
199.242.48.0/24United StatesAS8075Microsoft0256100.00%
199.242.49.0/24United StatesAS8075Microsoft0256100.00%
199.242.50.0/24United StatesAS8075Microsoft0256100.00%
199.242.51.0/24United StatesAS8075Microsoft0256100.00%
199.242.52.0/24United StatesAS8075Microsoft0256100.00%
199.242.53.0/24United StatesAS8075Microsoft0256100.00%
199.242.54.0/24United StatesAS8075Microsoft0256100.00%
199.242.55.0/24United StatesAS8075Microsoft0256100.00%
199.242.56.0/24United StatesAS22702RingSquared000.00%
199.242.57.0/24United StatesAS22702RingSquared0256100.00%
199.242.58.0/24United StatesAS22702RingSquared000.00%
199.242.59.0/24United StatesAS22702RingSquared0256100.00%
199.242.60.0/24United StatesAS22702RingSquared301.17%
199.242.61.0/24United StatesAS22702RingSquared000.00%
199.242.62.0/24United StatesAS22702RingSquared000.00%
199.242.63.0/24United StatesAS22702RingSquared1256100.00%
199.242.64.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.65.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.66.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.67.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.68.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.69.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.70.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.71.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.72.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.73.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.74.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.75.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.76.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.77.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.78.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.79.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.80.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.81.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.82.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.83.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.84.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.85.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.86.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.87.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.88.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.89.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.90.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.91.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.92.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.93.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.94.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.95.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.96.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.97.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.98.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.99.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.100.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.101.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.102.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.103.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.104.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.105.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.106.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.107.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.108.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.109.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.110.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.111.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.112.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.113.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.114.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.115.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.116.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.117.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.118.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.119.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.120.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.121.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.122.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.123.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.124.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.125.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.126.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.127.0/24United StatesAS22472Florida Supreme Court000.00%
199.242.128.0/24United States—000.00%
199.242.129.0/24United States—000.00%
199.242.130.0/24United States—000.00%
199.242.131.0/24United States—000.00%
199.242.132.0/24United States—000.00%
199.242.133.0/24United States—000.00%
199.242.134.0/24United States—000.00%
199.242.135.0/24United StatesAS40425GREAT LAKES DATA SYSTEMS, INC.200.78%
199.242.136.0/24United States—000.00%
199.242.137.0/24United States—000.00%
199.242.138.0/24United States—000.00%
199.242.139.0/24United States—000.00%
199.242.140.0/24United StatesAS400502Xtenit0256100.00%
199.242.141.0/24United StatesAS3549Level 3 Parent, LLC000.00%
199.242.142.0/24United States—000.00%
199.242.143.0/24United States—000.00%
199.242.144.0/24United StatesAS393385National Vision, Inc.100.39%
199.242.145.0/24——000.00%
199.242.146.0/24——000.00%
199.242.147.0/24——000.00%
199.242.148.0/24United States—000.00%
199.242.149.0/24United States—000.00%
199.242.150.0/24United States—000.00%
199.242.151.0/24United States—000.00%
199.242.152.0/24——000.00%
199.242.153.0/24——000.00%
199.242.154.0/24——000.00%
199.242.155.0/24United States—000.00%
199.242.156.0/24United States—000.00%
199.242.157.0/24United States—000.00%
199.242.158.0/24United States—000.00%
199.242.159.0/24United States—000.00%
199.242.160.0/24United States—000.00%
199.242.161.0/24United States—000.00%
199.242.162.0/24United States—000.00%
199.242.163.0/24——000.00%
199.242.164.0/24——000.00%
199.242.165.0/24United States—000.00%
199.242.166.0/24United States—000.00%
199.242.167.0/24United States—000.00%
199.242.168.0/24United StatesAS13930The Children's Mercy Hospital100.39%
199.242.169.0/24United States—000.00%
199.242.170.0/24United States—000.00%
199.242.171.0/24United States—000.00%
199.242.172.0/24United States—000.00%
199.242.173.0/24United States—000.00%
199.242.174.0/24United StatesAS54547Bergen County Cooperative Library System401.56%
199.242.175.0/24United States—000.00%
199.242.176.0/24United StatesAS2381WiscNet100.39%
199.242.177.0/24United StatesAS46651Optimized Micro Devices LLC5256100.00%
199.242.178.0/24——000.00%
199.242.179.0/24United States—000.00%
199.242.180.0/24United States—000.00%
199.242.181.0/24United States—000.00%
199.242.182.0/24——000.00%
199.242.183.0/24——000.00%
199.242.184.0/24——000.00%
199.242.185.0/24——000.00%
199.242.186.0/24——000.00%
199.242.187.0/24——000.00%
199.242.188.0/24——000.00%
199.242.189.0/24——000.00%
199.242.190.0/24——000.00%
199.242.191.0/24——000.00%
199.242.192.0/24United StatesAS4581Socket Holdings Corporation1256100.00%
199.242.193.0/24United States—000.00%
199.242.194.0/24United States—000.00%
199.242.195.0/24United States—000.00%
199.242.196.0/24United States—000.00%
199.242.197.0/24United States—000.00%
199.242.198.0/24United States—000.00%
199.242.199.0/24United States—000.00%
199.242.200.0/24United States—000.00%
199.242.201.0/24United States—000.00%
199.242.202.0/24United States—000.00%
199.242.203.0/24——000.00%
199.242.204.0/24United States—000.00%
199.242.205.0/24United States—000.00%
199.242.206.0/24United StatesAS399330Cascade Corporation000.00%
199.242.207.0/24United StatesAS399330Cascade Corporation100.39%
199.242.208.0/24United States—000.00%
199.242.209.0/24United StatesAS394533Roanoke College1204.69%
199.242.210.0/24United States—000.00%
199.242.211.0/24United StatesAS3719State of Connecticut Judicial Branch000.00%
199.242.212.0/24——000.00%
199.242.213.0/24——000.00%
199.242.214.0/24United States—000.00%
199.242.215.0/24United States—0256100.00%
199.242.216.0/24United States—000.00%
199.242.217.0/24United States—000.00%
199.242.218.0/24United States—000.00%
199.242.219.0/24CanadaAS402366Soheil Digital Solutions Ltd.0256100.00%
199.242.220.0/24United States—000.00%
199.242.221.0/24United States—000.00%
199.242.222.0/24United States—000.00%
199.242.223.0/24United StatesAS14749Russellville Electric Plant Board803.13%
199.242.224.0/24United States—000.00%
199.242.225.0/24United States—000.00%
199.242.226.0/24United States—000.00%
199.242.227.0/24United States—000.00%
199.242.228.0/24United States—000.00%
199.242.229.0/24United States—000.00%
199.242.230.0/24United States—000.00%
199.242.231.0/24United StatesAS3477National Oceanic and Atmospheric Administration000.00%
199.242.232.0/24United StatesAS3477National Oceanic and Atmospheric Administration000.00%
199.242.233.0/24United StatesAS3477National Oceanic and Atmospheric Administration000.00%
199.242.234.0/24United StatesAS13998University of Texas Southwestern Medical Center000.00%
199.242.235.0/24United StatesAS13998University of Texas Southwestern Medical Center000.00%
199.242.236.0/24United StatesAS13998University of Texas Southwestern Medical Center000.00%
199.242.237.0/24United StatesAS13998University of Texas Southwestern Medical Center000.00%
199.242.238.0/24United StatesAS13998University of Texas Southwestern Medical Center000.00%
199.242.239.0/24United StatesAS13998University of Texas Southwestern Medical Center000.00%
199.242.240.0/24United States—000.00%
199.242.241.0/24United States—000.00%
199.242.242.0/24United StatesAS20473The Constant Company, LLC0256100.00%
199.242.243.0/24United States—000.00%
199.242.244.0/24United StatesAS18530Isomedia, Inc.000.00%
199.242.245.0/24United StatesAS11852White House Custom Colour, Inc501.95%
199.242.246.0/24United States—000.00%
199.242.247.0/24United States—000.00%
199.242.248.0/24United States—000.00%
199.242.249.0/24——000.00%
199.242.250.0/24United StatesAS398433Manatt, Phelps & Phillips200.78%
199.242.251.0/24United States—000.00%
199.242.252.0/24United States—000.00%
199.242.253.0/24——000.00%
199.242.254.0/24United States—000.00%
199.242.255.0/24United StatesAS14618Amazon.com, Inc.0256100.00%
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.