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InternetData
65,536 routable16 ASes
/16 subnet

198.37.0.0/16

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
2
countries
16
announcing ASes
49
announced prefixes
2,138
anonymous addresses

Where it is

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

  1. United States57,344 · 87.50%
  2. Canada8,192 · 12.50%

Who announces it

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

  1. AS10796Charter Communications Inc16,384 · 25.00%
  2. AS15321Groupe Maskatel8,192 · 12.50%
  3. AS11377SendGrid, Inc.4,096 · 6.25%
  4. AS397373H4Y Technologies LLC3,840 · 5.86%
  5. AS29825Illinois Institute of Technology3,072 · 4.69%
  6. AS397423Tier.Net Technologies LLC2,816 · 4.30%
  7. AS55076Johnson Telephone Company2,048 · 3.13%
  8. AS17216DC74 LLC1,280 · 1.95%
  9. AS33515City of Monroe1,024 · 1.56%
  10. AS33755Valor Holdings LLC1,024 · 1.56%

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.

49 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
198.37.4.0/23AS19773Motorola, Inc.United StatesNot found172026-10-02
198.37.6.0/24AS19773Motorola, Inc.United StatesNot found172026-10-02
198.37.12.0/22AS33755Valor Holdings LLCUnited StatesValid172026-10-06
198.37.12.0/24AS33755Valor Holdings LLCUnited StatesValid172026-10-06
198.37.13.0/24AS33755Valor Holdings LLCUnited StatesValid172026-10-06
198.37.14.0/24AS33755Valor Holdings LLCUnited StatesValid172026-10-06
198.37.15.0/24AS33755Valor Holdings LLCUnited StatesValid172026-10-06
198.37.16.0/21AS29825Illinois Institute of TechnologyUnited StatesNot found192026-10-02
198.37.24.0/22AS29825Illinois Institute of TechnologyUnited StatesNot found192026-10-02
198.37.28.0/22AS33515City of MonroeUnited StatesNot found182026-10-02
198.37.30.0/24AS33515City of MonroeUnited StatesNot found182026-10-02
198.37.47.0/24AS55279Jockey International, Inc.United StatesNot found182026-10-02
198.37.52.0/24AS19691888 US Inc.United StatesValid182026-10-02
198.37.57.0/24AS19691888 US Inc.United StatesValid172026-10-02
198.37.94.0/23AS14903Pilot Catastrophe Services, Inc.United StatesNot found172026-10-02
198.37.94.0/24AS14903Pilot Catastrophe Services, Inc.United StatesNot found172026-10-02
198.37.96.0/22AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.100.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.101.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.102.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.103.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.104.0/24AS397373H4Y Technologies LLCUnited StatesValid182026-10-02
198.37.105.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.106.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.107.0/24AS17216DC74 LLCUnited StatesValid182026-10-02
198.37.108.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.109.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.110.0/24AS397373H4Y Technologies LLCUnited StatesValid182026-10-02
198.37.111.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.112.0/22AS17216DC74 LLCUnited StatesValid182026-10-02
198.37.116.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.117.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.118.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.119.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.120.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.121.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.122.0/24AS397373H4Y Technologies LLCUnited StatesValid172026-10-02
198.37.123.0/24AS397423Tier.Net Technologies LLCUnited StatesValid172026-10-02
198.37.124.0/24AS397373H4Y Technologies LLCUnited StatesValid182026-10-02
198.37.125.0/24AS397373H4Y Technologies LLCUnited StatesValid182026-10-02
198.37.126.0/24AS397373H4Y Technologies LLCUnited StatesValid182026-10-02
198.37.127.0/24AS40676Psychz NetworksUnited StatesValid172026-10-02
198.37.134.0/23AS14860SMARTCOM TELEPHONE, LLCUnited StatesNot found182026-10-02
198.37.136.0/21AS55076Johnson Telephone CompanyUnited StatesValid172026-10-02
198.37.144.0/20AS11377SendGrid, Inc.United StatesValid172026-10-02
198.37.160.0/20AS15321Groupe MaskatelCanadaNot found172026-10-02
198.37.168.0/24AS15321Groupe MaskatelCanadaNot found172026-10-02
198.37.176.0/20AS15321Groupe MaskatelCanadaNot found172026-10-02
198.37.192.0/18AS10796Charter Communications IncUnited StatesValid182026-10-02

Every /24 inside it

198.37.0.0/24United States—000.00%
198.37.1.0/24United States—000.00%
198.37.2.0/24United States—000.00%
198.37.3.0/24United States—000.00%
198.37.4.0/24United StatesAS19773Motorola, Inc.000.00%
198.37.5.0/24United StatesAS19773Motorola, Inc.000.00%
198.37.6.0/24United StatesAS19773Motorola, Inc.000.00%
198.37.7.0/24United States—000.00%
198.37.8.0/24United States—000.00%
198.37.9.0/24United States—000.00%
198.37.10.0/24United States—000.00%
198.37.11.0/24United States—000.00%
198.37.12.0/24United StatesAS33755Valor Holdings LLC0256100.00%
198.37.13.0/24United StatesAS33755Valor Holdings LLC0256100.00%
198.37.14.0/24United StatesAS33755Valor Holdings LLC0256100.00%
198.37.15.0/24United StatesAS33755Valor Holdings LLC0256100.00%
198.37.16.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.17.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.18.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.19.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.20.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.21.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.22.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.23.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.24.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.25.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.26.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.27.0/24United StatesAS29825Illinois Institute of Technology000.00%
198.37.28.0/24United StatesAS33515City of Monroe903.52%
198.37.29.0/24United StatesAS33515City of Monroe702.73%
198.37.30.0/24United StatesAS33515City of Monroe100.39%
198.37.31.0/24United StatesAS33515City of Monroe301.17%
198.37.32.0/24United States—000.00%
198.37.33.0/24United States—000.00%
198.37.34.0/24United States—000.00%
198.37.35.0/24United States—000.00%
198.37.36.0/24United States—000.00%
198.37.37.0/24United States—000.00%
198.37.38.0/24United States—000.00%
198.37.39.0/24United States—000.00%
198.37.40.0/24United States—000.00%
198.37.41.0/24United States—000.00%
198.37.42.0/24United States—000.00%
198.37.43.0/24United States—000.00%
198.37.44.0/24United States—000.00%
198.37.45.0/24United States—000.00%
198.37.46.0/24United States—000.00%
198.37.47.0/24United StatesAS55279Jockey International, Inc.301.17%
198.37.48.0/24United States—000.00%
198.37.49.0/24United States—000.00%
198.37.50.0/24United States—000.00%
198.37.51.0/24United States—000.00%
198.37.52.0/24United StatesAS19691888 US Inc.000.00%
198.37.53.0/24United States—000.00%
198.37.54.0/24United States—000.00%
198.37.55.0/24United States—000.00%
198.37.56.0/24United States—000.00%
198.37.57.0/24United StatesAS19691888 US Inc.0256100.00%
198.37.58.0/24United States—000.00%
198.37.59.0/24United States—000.00%
198.37.60.0/24United States—000.00%
198.37.61.0/24United States—000.00%
198.37.62.0/24United States—000.00%
198.37.63.0/24United States—000.00%
198.37.64.0/24United States—000.00%
198.37.65.0/24United States—000.00%
198.37.66.0/24United States—000.00%
198.37.67.0/24United States—000.00%
198.37.68.0/24United States—000.00%
198.37.69.0/24United States—000.00%
198.37.70.0/24United States—000.00%
198.37.71.0/24United States—000.00%
198.37.72.0/24United States—000.00%
198.37.73.0/24United States—000.00%
198.37.74.0/24United States—000.00%
198.37.75.0/24United States—000.00%
198.37.76.0/24United States—000.00%
198.37.77.0/24United States—000.00%
198.37.78.0/24United States—000.00%
198.37.79.0/24United States—000.00%
198.37.80.0/24United States—000.00%
198.37.81.0/24United States—000.00%
198.37.82.0/24United States—000.00%
198.37.83.0/24United States—000.00%
198.37.84.0/24United States—000.00%
198.37.85.0/24United States—000.00%
198.37.86.0/24United States—000.00%
198.37.87.0/24United States—000.00%
198.37.88.0/24United States—000.00%
198.37.89.0/24United States—000.00%
198.37.90.0/24United States—000.00%
198.37.91.0/24United States—000.00%
198.37.92.0/24United States—000.00%
198.37.93.0/24United States—000.00%
198.37.94.0/24United StatesAS14903Pilot Catastrophe Services, Inc.200.78%
198.37.95.0/24United StatesAS14903Pilot Catastrophe Services, Inc.100.39%
198.37.96.0/24United StatesAS397423Tier.Net Technologies LLC0256100.00%
198.37.97.0/24United StatesAS397423Tier.Net Technologies LLC0256100.00%
198.37.98.0/24United StatesAS397423Tier.Net Technologies LLC203256100.00%
198.37.99.0/24United StatesAS397423Tier.Net Technologies LLC183256100.00%
198.37.100.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.101.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.102.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.103.0/24United StatesAS397373H4Y Technologies LLC8256100.00%
198.37.104.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.105.0/24United StatesAS397373H4Y Technologies LLC3256100.00%
198.37.106.0/24United StatesAS397423Tier.Net Technologies LLC201256100.00%
198.37.107.0/24United StatesAS17216DC74 LLC0256100.00%
198.37.108.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.109.0/24United StatesAS397423Tier.Net Technologies LLC207256100.00%
198.37.110.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.111.0/24United StatesAS397423Tier.Net Technologies LLC256256100.00%
198.37.112.0/24United StatesAS17216DC74 LLC0256100.00%
198.37.113.0/24United StatesAS17216DC74 LLC0256100.00%
198.37.114.0/24United StatesAS17216DC74 LLC0256100.00%
198.37.115.0/24United StatesAS17216DC74 LLC0256100.00%
198.37.116.0/24United StatesAS397423Tier.Net Technologies LLC193256100.00%
198.37.117.0/24United StatesAS397373H4Y Technologies LLC2256100.00%
198.37.118.0/24United StatesAS397423Tier.Net Technologies LLC200256100.00%
198.37.119.0/24United StatesAS397373H4Y Technologies LLC256256100.00%
198.37.120.0/24United StatesAS397373H4Y Technologies LLC1256100.00%
198.37.121.0/24United StatesAS397423Tier.Net Technologies LLC204256100.00%
198.37.122.0/24United StatesAS397373H4Y Technologies LLC1256100.00%
198.37.123.0/24United StatesAS397423Tier.Net Technologies LLC0256100.00%
198.37.124.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.125.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.126.0/24United StatesAS397373H4Y Technologies LLC0256100.00%
198.37.127.0/24United StatesAS40676Psychz Networks0256100.00%
198.37.128.0/24United States—000.00%
198.37.129.0/24United States—000.00%
198.37.130.0/24United States—000.00%
198.37.131.0/24United States—000.00%
198.37.132.0/24United States—000.00%
198.37.133.0/24United States—000.00%
198.37.134.0/24United StatesAS14860SMARTCOM TELEPHONE, LLC000.00%
198.37.135.0/24United StatesAS14860SMARTCOM TELEPHONE, LLC100.39%
198.37.136.0/24United StatesAS55076Johnson Telephone Company100.39%
198.37.137.0/24United StatesAS55076Johnson Telephone Company301.17%
198.37.138.0/24United StatesAS55076Johnson Telephone Company803.13%
198.37.139.0/24United StatesAS55076Johnson Telephone Company1003.91%
198.37.140.0/24United StatesAS55076Johnson Telephone Company803.13%
198.37.141.0/24United StatesAS55076Johnson Telephone Company1003.91%
198.37.142.0/24United StatesAS55076Johnson Telephone Company1003.91%
198.37.143.0/24United StatesAS55076Johnson Telephone Company301.17%
198.37.144.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.145.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.146.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.147.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.148.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.149.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.150.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.151.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.152.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.153.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.154.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.155.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.156.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.157.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.158.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.159.0/24United StatesAS11377SendGrid, Inc.0256100.00%
198.37.160.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.161.0/24CanadaAS15321Groupe Maskatel301.17%
198.37.162.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.163.0/24CanadaAS15321Groupe Maskatel401.56%
198.37.164.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.165.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.166.0/24CanadaAS15321Groupe Maskatel803.13%
198.37.167.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.168.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.169.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.170.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.171.0/24CanadaAS15321Groupe Maskatel301.17%
198.37.172.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.173.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.174.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.175.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.176.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.177.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.178.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.179.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.180.0/24CanadaAS15321Groupe Maskatel200.78%
198.37.181.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.182.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.183.0/24CanadaAS15321Groupe Maskatel602.34%
198.37.184.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.185.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.186.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.187.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.188.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.189.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.190.0/24CanadaAS15321Groupe Maskatel000.00%
198.37.191.0/24CanadaAS15321Groupe Maskatel200.78%
198.37.192.0/24United StatesAS10796Charter Communications Inc401.56%
198.37.193.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.194.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.195.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.196.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.197.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.198.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.199.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.200.0/24United StatesAS10796Charter Communications Inc501.95%
198.37.201.0/24United StatesAS10796Charter Communications Inc702.73%
198.37.202.0/24United StatesAS10796Charter Communications Inc401.56%
198.37.203.0/24United StatesAS10796Charter Communications Inc301.17%
198.37.204.0/24United StatesAS10796Charter Communications Inc401.56%
198.37.205.0/24United StatesAS10796Charter Communications Inc401.56%
198.37.206.0/24United StatesAS10796Charter Communications Inc803.13%
198.37.207.0/24United StatesAS10796Charter Communications Inc401.56%
198.37.208.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.209.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.210.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.211.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.212.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.213.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.214.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.215.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.216.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.217.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.218.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.219.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.220.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.221.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.222.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.223.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.224.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.225.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.226.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.227.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.228.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.229.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.230.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.231.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.232.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.233.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.234.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.235.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.236.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.237.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.238.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.239.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.240.0/24United StatesAS10796Charter Communications Inc301.17%
198.37.241.0/24United StatesAS10796Charter Communications Inc602.34%
198.37.242.0/24United StatesAS10796Charter Communications Inc301.17%
198.37.243.0/24United StatesAS10796Charter Communications Inc602.34%
198.37.244.0/24United StatesAS10796Charter Communications Inc301.17%
198.37.245.0/24United StatesAS10796Charter Communications Inc702.73%
198.37.246.0/24United StatesAS10796Charter Communications Inc602.34%
198.37.247.0/24United StatesAS10796Charter Communications Inc602.34%
198.37.248.0/24United StatesAS10796Charter Communications Inc702.73%
198.37.249.0/24United StatesAS10796Charter Communications Inc401.56%
198.37.250.0/24United StatesAS10796Charter Communications Inc501.95%
198.37.251.0/24United StatesAS10796Charter Communications Inc501.95%
198.37.252.0/24United StatesAS10796Charter Communications Inc501.95%
198.37.253.0/24United StatesAS10796Charter Communications Inc301.17%
198.37.254.0/24United StatesAS10796Charter Communications Inc000.00%
198.37.255.0/24United StatesAS10796Charter Communications Inc000.00%
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.