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HomeAll IP Ranges137.0.0.0/8137.44.0.0/16
65,536 routable4 ASes
/16 subnet

137.44.0.0/16

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

137.43.0.0/16137.45.0.0/16
65,536
routable addresses
65,536
geolocated
5
countries
4
announcing ASes
4
announced prefixes
27
anonymous addresses

Where it is

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

  1. United Kingdom55,296 · 84.38%
  2. The Netherlands8,256 · 12.60%
  3. Germany1,792 · 2.73%
  4. United States128 · 0.20%
  5. India64 · 0.10%

Who announces it

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

  1. AS786Jisc Services Limited16,384 · 25.00%
  2. AS43915TrueSpeed Communications Limited2,048 · 3.13%
  3. AS3257GTT Communications Inc.512 · 0.78%
  4. AS8075Microsoft256 · 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
137.44.0.0/18AS786Jisc Services LimitedUnited Kingdomnot found182026-10-02
137.44.112.0/21AS43915TrueSpeed Communications LimitedUnited Kingdomvalid162026-10-02
137.44.124.0/23AS3257GTT Communications Inc.Germanyvalid162026-10-02
137.44.127.0/24AS8075MicrosoftThe Netherlandsvalid162026-10-02

Every /24 inside it

137.44.0.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.1.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.2.0/24United KingdomAS786Jisc Services Limited025599.61%
137.44.3.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.4.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.5.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.6.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.7.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.8.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.9.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.10.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.11.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.12.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.13.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.14.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.15.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.16.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.17.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.18.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.19.0/24United KingdomAS786Jisc Services Limited0256100.00%
137.44.20.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.21.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.22.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.23.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.24.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.25.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.26.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.27.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.28.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.29.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.30.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.31.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.32.0/24United KingdomAS786Jisc Services Limited2409.38%
137.44.33.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.34.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.35.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.36.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.37.0/24United KingdomAS786Jisc Services Limited0256100.00%
137.44.38.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.39.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.40.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.41.0/24United KingdomAS786Jisc Services Limited0256100.00%
137.44.42.0/24United KingdomAS786Jisc Services Limited0256100.00%
137.44.43.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.44.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.45.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.46.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.47.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.48.0/24United KingdomAS786Jisc Services Limited0256100.00%
137.44.49.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.50.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.51.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.52.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.53.0/24United KingdomAS786Jisc Services Limited0256100.00%
137.44.54.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.55.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.56.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.57.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.58.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.59.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.60.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.61.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.62.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.63.0/24United KingdomAS786Jisc Services Limited000.00%
137.44.64.0/24The Netherlands—000.00%
137.44.65.0/24The Netherlands—000.00%
137.44.66.0/24The Netherlands—000.00%
137.44.67.0/24The Netherlands—000.00%
137.44.68.0/24The Netherlands—000.00%
137.44.69.0/24The Netherlands—000.00%
137.44.70.0/24The Netherlands—000.00%
137.44.71.0/24The Netherlands—000.00%
137.44.72.0/24The Netherlands—000.00%
137.44.73.0/24The Netherlands—000.00%
137.44.74.0/24The Netherlands—000.00%
137.44.75.0/24The Netherlands—000.00%
137.44.76.0/24The Netherlands—000.00%
137.44.77.0/24The Netherlands—000.00%
137.44.78.0/24The Netherlands—000.00%
137.44.79.0/24The Netherlands—000.00%
137.44.80.0/24The Netherlands—000.00%
137.44.81.0/24The Netherlands—000.00%
137.44.82.0/24The Netherlands—000.00%
137.44.83.0/24The Netherlands—000.00%
137.44.84.0/24The Netherlands—000.00%
137.44.85.0/24The Netherlands—000.00%
137.44.86.0/24The Netherlands—000.00%
137.44.87.0/24The Netherlands—000.00%
137.44.88.0/24The Netherlands—000.00%
137.44.89.0/24The Netherlands—000.00%
137.44.90.0/24The Netherlands—000.00%
137.44.91.0/24The Netherlands—000.00%
137.44.92.0/24The Netherlands—000.00%
137.44.93.0/24The Netherlands—000.00%
137.44.94.0/24The Netherlands—000.00%
137.44.95.0/24The Netherlands—000.00%
137.44.96.0/24United Kingdom—000.00%
137.44.97.0/24United Kingdom—000.00%
137.44.98.0/24United Kingdom—000.00%
137.44.99.0/24United Kingdom—000.00%
137.44.100.0/24United Kingdom—000.00%
137.44.101.0/24United Kingdom—000.00%
137.44.102.0/24United Kingdom—000.00%
137.44.103.0/24United Kingdom—000.00%
137.44.104.0/24United Kingdom—000.00%
137.44.105.0/24United Kingdom—000.00%
137.44.106.0/24United Kingdom—000.00%
137.44.107.0/24United Kingdom—000.00%
137.44.108.0/24United Kingdom—000.00%
137.44.109.0/24United Kingdom—000.00%
137.44.110.0/24United Kingdom—000.00%
137.44.111.0/24United Kingdom—000.00%
137.44.112.0/24United KingdomAS43915TrueSpeed Communications Limited000.00%
137.44.113.0/24United KingdomAS43915TrueSpeed Communications Limited000.00%
137.44.114.0/24United KingdomAS43915TrueSpeed Communications Limited000.00%
137.44.115.0/24United KingdomAS43915TrueSpeed Communications Limited000.00%
137.44.116.0/24United KingdomAS43915TrueSpeed Communications Limited200.78%
137.44.117.0/24United KingdomAS43915TrueSpeed Communications Limited000.00%
137.44.118.0/24United KingdomAS43915TrueSpeed Communications Limited100.39%
137.44.119.0/24United KingdomAS43915TrueSpeed Communications Limited000.00%
137.44.120.0/24Germany—000.00%
137.44.121.0/24Germany—000.00%
137.44.122.0/24Germany—000.00%
137.44.123.0/24Germany—000.00%
137.44.124.0/24GermanyAS3257GTT Communications Inc.000.00%
137.44.125.0/24GermanyAS3257GTT Communications Inc.000.00%
137.44.126.0/24Germany—000.00%
137.44.127.0/24United StatesAS8075Microsoft0256100.00%
137.44.128.0/24United Kingdom—000.00%
137.44.129.0/24United Kingdom—000.00%
137.44.130.0/24United Kingdom—000.00%
137.44.131.0/24United Kingdom—000.00%
137.44.132.0/24United Kingdom—000.00%
137.44.133.0/24United Kingdom—000.00%
137.44.134.0/24United Kingdom—000.00%
137.44.135.0/24United Kingdom—000.00%
137.44.136.0/24United Kingdom—000.00%
137.44.137.0/24United Kingdom—000.00%
137.44.138.0/24United Kingdom—000.00%
137.44.139.0/24United Kingdom—000.00%
137.44.140.0/24United Kingdom—000.00%
137.44.141.0/24United Kingdom—000.00%
137.44.142.0/24United Kingdom—000.00%
137.44.143.0/24United Kingdom—000.00%
137.44.144.0/24United Kingdom—000.00%
137.44.145.0/24United Kingdom—025398.83%
137.44.146.0/24United Kingdom—000.00%
137.44.147.0/24United Kingdom—000.00%
137.44.148.0/24United Kingdom—000.00%
137.44.149.0/24United Kingdom—000.00%
137.44.150.0/24United Kingdom—000.00%
137.44.151.0/24United Kingdom—000.00%
137.44.152.0/24United Kingdom—000.00%
137.44.153.0/24United Kingdom—000.00%
137.44.154.0/24United Kingdom—000.00%
137.44.155.0/24United Kingdom—000.00%
137.44.156.0/24United Kingdom—000.00%
137.44.157.0/24United Kingdom—000.00%
137.44.158.0/24United Kingdom—000.00%
137.44.159.0/24United Kingdom—000.00%
137.44.160.0/24United Kingdom—000.00%
137.44.161.0/24United Kingdom—000.00%
137.44.162.0/24United Kingdom—000.00%
137.44.163.0/24United Kingdom—000.00%
137.44.164.0/24United Kingdom—000.00%
137.44.165.0/24United Kingdom—000.00%
137.44.166.0/24United Kingdom—000.00%
137.44.167.0/24United Kingdom—000.00%
137.44.168.0/24United Kingdom—000.00%
137.44.169.0/24United Kingdom—000.00%
137.44.170.0/24United Kingdom—000.00%
137.44.171.0/24United Kingdom—000.00%
137.44.172.0/24United Kingdom—000.00%
137.44.173.0/24United Kingdom—000.00%
137.44.174.0/24United Kingdom—000.00%
137.44.175.0/24United Kingdom—000.00%
137.44.176.0/24United Kingdom—000.00%
137.44.177.0/24United Kingdom—000.00%
137.44.178.0/24United Kingdom—000.00%
137.44.179.0/24United Kingdom—000.00%
137.44.180.0/24United Kingdom—000.00%
137.44.181.0/24United Kingdom—000.00%
137.44.182.0/24United Kingdom—000.00%
137.44.183.0/24United Kingdom—000.00%
137.44.184.0/24United Kingdom—000.00%
137.44.185.0/24United Kingdom—000.00%
137.44.186.0/24United Kingdom—000.00%
137.44.187.0/24United Kingdom—000.00%
137.44.188.0/24United Kingdom—000.00%
137.44.189.0/24United Kingdom—000.00%
137.44.190.0/24United Kingdom—000.00%
137.44.191.0/24United Kingdom—000.00%
137.44.192.0/24United Kingdom—000.00%
137.44.193.0/24United Kingdom—000.00%
137.44.194.0/24United Kingdom—000.00%
137.44.195.0/24United Kingdom—000.00%
137.44.196.0/24United Kingdom—000.00%
137.44.197.0/24United Kingdom—000.00%
137.44.198.0/24United Kingdom—000.00%
137.44.199.0/24United Kingdom—000.00%
137.44.200.0/24United Kingdom—000.00%
137.44.201.0/24United Kingdom—000.00%
137.44.202.0/24United Kingdom—000.00%
137.44.203.0/24United Kingdom—000.00%
137.44.204.0/24United Kingdom—000.00%
137.44.205.0/24United Kingdom—000.00%
137.44.206.0/24United Kingdom—000.00%
137.44.207.0/24United Kingdom—000.00%
137.44.208.0/24United Kingdom—000.00%
137.44.209.0/24United Kingdom—000.00%
137.44.210.0/24United Kingdom—000.00%
137.44.211.0/24United Kingdom—000.00%
137.44.212.0/24United Kingdom—000.00%
137.44.213.0/24United Kingdom—000.00%
137.44.214.0/24United Kingdom—000.00%
137.44.215.0/24United Kingdom—000.00%
137.44.216.0/24United Kingdom—000.00%
137.44.217.0/24United Kingdom—000.00%
137.44.218.0/24United Kingdom—000.00%
137.44.219.0/24United Kingdom—000.00%
137.44.220.0/24United Kingdom—000.00%
137.44.221.0/24United Kingdom—000.00%
137.44.222.0/24United Kingdom—000.00%
137.44.223.0/24United Kingdom—000.00%
137.44.224.0/24United Kingdom—000.00%
137.44.225.0/24United Kingdom—000.00%
137.44.226.0/24United Kingdom—000.00%
137.44.227.0/24United Kingdom—000.00%
137.44.228.0/24United Kingdom—000.00%
137.44.229.0/24United Kingdom—000.00%
137.44.230.0/24United Kingdom—000.00%
137.44.231.0/24United Kingdom—000.00%
137.44.232.0/24United Kingdom—000.00%
137.44.233.0/24United Kingdom—000.00%
137.44.234.0/24United Kingdom—000.00%
137.44.235.0/24United Kingdom—000.00%
137.44.236.0/24United Kingdom—000.00%
137.44.237.0/24United Kingdom—000.00%
137.44.238.0/24United Kingdom—000.00%
137.44.239.0/24United Kingdom—000.00%
137.44.240.0/24United Kingdom—000.00%
137.44.241.0/24United Kingdom—000.00%
137.44.242.0/24United Kingdom—000.00%
137.44.243.0/24United Kingdom—000.00%
137.44.244.0/24United Kingdom—000.00%
137.44.245.0/24United Kingdom—000.00%
137.44.246.0/24United Kingdom—000.00%
137.44.247.0/24United Kingdom—000.00%
137.44.248.0/24United Kingdom—000.00%
137.44.249.0/24United Kingdom—000.00%
137.44.250.0/24United Kingdom—000.00%
137.44.251.0/24United Kingdom—000.00%
137.44.252.0/24United Kingdom—000.00%
137.44.253.0/24United Kingdom—000.00%
137.44.254.0/24United Kingdom—000.00%
137.44.255.0/24United Kingdom—000.00%
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