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HomeAll IP Ranges81.0.0.0/881.187.0.0/16
65,536 routable2 ASes
/16 subnet

81.187.0.0/16

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

81.186.0.0/1681.188.0.0/16
65,536
routable addresses
65,536
geolocated
1
country
2
announcing ASes
5
announced prefixes
871
anonymous addresses

Where it is

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

  1. United Kingdom65,536 · 100.00%

Who announces it

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

  1. AS20712Andrews & Arnold Ltd60,928 · 92.97%
  2. AS41489Watchfront Limited4,608 · 7.03%

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.

5 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
81.187.0.0/16AS20712Andrews & Arnold LtdUnited KingdomValid172026-10-02
81.187.30.0/23AS20712Andrews & Arnold LtdUnited KingdomValid172026-10-02
81.187.42.0/24AS41489Watchfront LimitedUnited KingdomValid172026-10-02
81.187.96.0/20AS41489Watchfront LimitedUnited KingdomValid172026-10-02
81.187.128.0/24AS41489Watchfront LimitedUnited KingdomValid172026-10-02

Every /24 inside it

81.187.0.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.1.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.2.0/24United KingdomAS20712Andrews & Arnold Ltd1104.30%
81.187.3.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.4.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.5.0/24United KingdomAS20712Andrews & Arnold Ltd283.91%
81.187.6.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.7.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.8.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.9.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.10.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.11.0/24United KingdomAS20712Andrews & Arnold Ltd903.52%
81.187.12.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.13.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.14.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.15.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.16.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.17.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.18.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.19.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.20.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.21.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.22.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.23.0/24United KingdomAS20712Andrews & Arnold Ltd1104.30%
81.187.24.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.25.0/24United KingdomAS20712Andrews & Arnold Ltd7168.98%
81.187.26.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.27.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.28.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.29.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.30.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.31.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.32.0/24United KingdomAS20712Andrews & Arnold Ltd5256100.00%
81.187.33.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.34.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.35.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.36.0/24United KingdomAS20712Andrews & Arnold Ltd803.13%
81.187.37.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.38.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.39.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.40.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.41.0/24United KingdomAS20712Andrews & Arnold Ltd1706.64%
81.187.42.0/24United KingdomAS41489Watchfront Limited000.00%
81.187.43.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.44.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.45.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.46.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.47.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.48.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.49.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.50.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.51.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.52.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.53.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.54.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.55.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.56.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.57.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.58.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.59.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.60.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.61.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.62.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.63.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.64.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.65.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.66.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.67.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.68.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.69.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.70.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.71.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.72.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.73.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.74.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.75.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.76.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.77.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.78.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.79.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.80.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.81.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.82.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.83.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.84.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.85.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.86.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.87.0/24United KingdomAS20712Andrews & Arnold Ltd903.52%
81.187.88.0/24United KingdomAS20712Andrews & Arnold Ltd903.52%
81.187.89.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.90.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.91.0/24United KingdomAS20712Andrews & Arnold Ltd1505.86%
81.187.92.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.93.0/24United KingdomAS20712Andrews & Arnold Ltd1807.03%
81.187.94.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.95.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.96.0/24United KingdomAS41489Watchfront Limited000.00%
81.187.97.0/24United KingdomAS41489Watchfront Limited401.56%
81.187.98.0/24United KingdomAS41489Watchfront Limited401.56%
81.187.99.0/24United KingdomAS41489Watchfront Limited301.17%
81.187.100.0/24United KingdomAS41489Watchfront Limited301.17%
81.187.101.0/24United KingdomAS41489Watchfront Limited301.17%
81.187.102.0/24United KingdomAS41489Watchfront Limited100.39%
81.187.103.0/24United KingdomAS41489Watchfront Limited200.78%
81.187.104.0/24United KingdomAS41489Watchfront Limited000.00%
81.187.105.0/24United KingdomAS41489Watchfront Limited200.78%
81.187.106.0/24United KingdomAS41489Watchfront Limited501.95%
81.187.107.0/24United KingdomAS41489Watchfront Limited100.39%
81.187.108.0/24United KingdomAS41489Watchfront Limited100.39%
81.187.109.0/24United KingdomAS41489Watchfront Limited401.56%
81.187.110.0/24United KingdomAS41489Watchfront Limited000.00%
81.187.111.0/24United KingdomAS41489Watchfront Limited000.00%
81.187.112.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.113.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.114.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.115.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.116.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.117.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.118.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.119.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.120.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.121.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.122.0/24United KingdomAS20712Andrews & Arnold Ltd03212.50%
81.187.123.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.124.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.125.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.126.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.127.0/24United KingdomAS20712Andrews & Arnold Ltd903.52%
81.187.128.0/24United KingdomAS41489Watchfront Limited000.00%
81.187.129.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.130.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.131.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.132.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.133.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.134.0/24United KingdomAS20712Andrews & Arnold Ltd123217.19%
81.187.135.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.136.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.137.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.138.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.139.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.140.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.141.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.142.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.143.0/24United KingdomAS20712Andrews & Arnold Ltd30011.72%
81.187.144.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.145.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.146.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.147.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.148.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.149.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.150.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.151.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.152.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.153.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.154.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.155.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.156.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.157.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.158.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.159.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.160.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.161.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.162.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.163.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.164.0/24United KingdomAS20712Andrews & Arnold Ltd2167.03%
81.187.165.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.166.0/24United KingdomAS20712Andrews & Arnold Ltd6168.59%
81.187.167.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.168.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.169.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.170.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.171.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.172.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.173.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.174.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.175.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.176.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.177.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.178.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.179.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.180.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.181.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.182.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.183.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.184.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.185.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.186.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.187.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.188.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.189.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.190.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.191.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.192.0/24United KingdomAS20712Andrews & Arnold Ltd1305.08%
81.187.193.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.194.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.195.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.196.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.197.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.198.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.199.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.200.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.201.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.202.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.203.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.204.0/24United KingdomAS20712Andrews & Arnold Ltd803.13%
81.187.205.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.206.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.207.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.208.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.209.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.210.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.211.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.212.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.213.0/24United KingdomAS20712Andrews & Arnold Ltd903.52%
81.187.214.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.215.0/24United KingdomAS20712Andrews & Arnold Ltd803.13%
81.187.216.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.217.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.218.0/24United KingdomAS20712Andrews & Arnold Ltd000.00%
81.187.219.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.220.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.221.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.222.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.223.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.224.0/24United KingdomAS20712Andrews & Arnold Ltd501.95%
81.187.225.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.226.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.227.0/24United KingdomAS20712Andrews & Arnold Ltd1003.91%
81.187.228.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.229.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.230.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.231.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.232.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.233.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.234.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.235.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
81.187.236.0/24United KingdomAS20712Andrews & Arnold Ltd401.56%
81.187.237.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.238.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.239.0/24United KingdomAS20712Andrews & Arnold Ltd903.52%
81.187.240.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.241.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.242.0/24United KingdomAS20712Andrews & Arnold Ltd803.13%
81.187.243.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.244.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.245.0/24United KingdomAS20712Andrews & Arnold Ltd602.34%
81.187.246.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.247.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.248.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.249.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.250.0/24United KingdomAS20712Andrews & Arnold Ltd200.78%
81.187.251.0/24United KingdomAS20712Andrews & Arnold Ltd301.17%
81.187.252.0/24United KingdomAS20712Andrews & Arnold Ltd702.73%
81.187.253.0/24United KingdomAS20712Andrews & Arnold Ltd2308.98%
81.187.254.0/24United KingdomAS20712Andrews & Arnold Ltd3167.42%
81.187.255.0/24United KingdomAS20712Andrews & Arnold Ltd100.39%
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