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InternetData
65,536 routable5 ASes
/16 subnet

81.171.0.0/16

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
19
countries
5
announcing ASes
17
announced prefixes
6,299
anonymous addresses

Where it is

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

top 10 of 19
  1. United Kingdom33,536 · 51.17%
  2. The Netherlands26,672 · 40.70%
  3. United States1,280 · 1.95%
  4. Sweden800 · 1.22%
  5. Canada512 · 0.78%
  6. Spain512 · 0.78%
  7. France288 · 0.44%
  8. Australia256 · 0.39%
  9. Hong Kong256 · 0.39%
  10. Italy256 · 0.39%

Who announces it

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

  1. AS8426Claranet Limited32,768 · 50.00%
  2. AS34343Eweka Internet Services B.V.8,704 · 13.28%
  3. AS60781LeaseWeb Netherlands B.V.8,192 · 12.50%
  4. AS205467Base IP B.V.768 · 1.17%
  5. AS34305Base IP B.V.256 · 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.

17 prefixes
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
81.171.0.0/19AS60781LeaseWeb Netherlands B.V.The NetherlandsValid172026-10-02
81.171.32.0/20AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.60.0/24AS205467Base IP B.V.United StatesValid172026-10-02
81.171.62.0/24AS205467Base IP B.V.United StatesValid172026-10-02
81.171.63.0/24AS205467Base IP B.V.MexicoValid172026-10-02
81.171.64.0/23AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.67.0/24AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.72.0/24AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.73.0/24AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.74.0/24AS34343Eweka Internet Services B.V.United KingdomValid172026-10-02
81.171.75.0/24AS34305Base IP B.V.United StatesValid172026-10-02
81.171.83.0/24AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.88.0/22AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.92.0/23AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.96.0/24AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.100.0/22AS34343Eweka Internet Services B.V.The NetherlandsValid172026-10-02
81.171.128.0/17AS8426Claranet LimitedUnited KingdomValid172026-10-02

Every /24 inside it

81.171.0.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.1256100.00%
81.171.1.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.3256100.00%
81.171.2.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.2256100.00%
81.171.3.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.4.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.5.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.256256100.00%
81.171.6.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.256256100.00%
81.171.7.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.1256100.00%
81.171.8.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.9.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.4256100.00%
81.171.10.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.32256100.00%
81.171.11.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.3256100.00%
81.171.12.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.2256100.00%
81.171.13.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.14.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.15.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.16.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.17.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.9256100.00%
81.171.18.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.1256100.00%
81.171.19.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.2256100.00%
81.171.20.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.21.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.22.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.5256100.00%
81.171.23.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.24.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.2256100.00%
81.171.25.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.5256100.00%
81.171.26.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.27.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.2256100.00%
81.171.28.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.0256100.00%
81.171.29.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.1256100.00%
81.171.30.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.1256100.00%
81.171.31.0/24The NetherlandsAS60781LeaseWeb Netherlands B.V.2256100.00%
81.171.32.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.33.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.34.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.35.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.36.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.37.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.38.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.39.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.40.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.41.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.42.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.43.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.44.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.45.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.46.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.47.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.48.0/24The Netherlands—000.00%
81.171.49.0/24The Netherlands—000.00%
81.171.50.0/24The Netherlands—000.00%
81.171.51.0/24The Netherlands—000.00%
81.171.52.0/24The Netherlands—000.00%
81.171.53.0/24The Netherlands—000.00%
81.171.54.0/24The Netherlands—000.00%
81.171.55.0/24The Netherlands—000.00%
81.171.56.0/24The Netherlands—000.00%
81.171.57.0/24The Netherlands—000.00%
81.171.58.0/24The Netherlands—000.00%
81.171.59.0/24United Kingdom—2560100.00%
81.171.60.0/24United StatesAS205467Base IP B.V.256256100.00%
81.171.61.0/24Sweden—000.00%
81.171.62.0/24United StatesAS205467Base IP B.V.256256100.00%
81.171.63.0/24MexicoAS205467Base IP B.V.256256100.00%
81.171.64.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.65.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.66.0/24The Netherlands—000.00%
81.171.67.0/24The NetherlandsAS34343Eweka Internet Services B.V.2256100.00%
81.171.68.0/24Spain—000.00%
81.171.69.0/24Spain—2560100.00%
81.171.70.0/24Sweden—2560100.00%
81.171.71.0/24Sweden—2560100.00%
81.171.72.0/24GermanyAS34343Eweka Internet Services B.V.256256100.00%
81.171.73.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.74.0/24United KingdomAS34343Eweka Internet Services B.V.256256100.00%
81.171.75.0/24United StatesAS34305Base IP B.V.256256100.00%
81.171.76.0/24United States—2560100.00%
81.171.77.0/24Canada—2560100.00%
81.171.78.0/24Canada—2560100.00%
81.171.79.0/24Japan—2560100.00%
81.171.80.0/24Hong Kong—2560100.00%
81.171.81.0/24The Netherlands—000.00%
81.171.82.0/24United States—000.00%
81.171.83.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.84.0/24The Netherlands—000.00%
81.171.85.0/24The Netherlands—000.00%
81.171.86.0/24Italy—2560100.00%
81.171.87.0/24South Korea—2560100.00%
81.171.88.0/24The NetherlandsAS34343Eweka Internet Services B.V.2256100.00%
81.171.89.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.90.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.91.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.92.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.93.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.94.0/24The Netherlands—000.00%
81.171.95.0/24The Netherlands—000.00%
81.171.96.0/24The NetherlandsAS34343Eweka Internet Services B.V.1256100.00%
81.171.97.0/24United Kingdom—2560100.00%
81.171.98.0/24The Netherlands—000.00%
81.171.99.0/24The Netherlands—000.00%
81.171.100.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.101.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.102.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.103.0/24The NetherlandsAS34343Eweka Internet Services B.V.0256100.00%
81.171.104.0/24Singapore—2560100.00%
81.171.105.0/24The Netherlands—000.00%
81.171.106.0/24The Netherlands—000.00%
81.171.107.0/24France—2560100.00%
81.171.108.0/24Australia—2560100.00%
81.171.109.0/24The Netherlands—000.00%
81.171.110.0/24The Netherlands—000.00%
81.171.111.0/24The Netherlands—000.00%
81.171.112.0/24The Netherlands—000.00%
81.171.113.0/24The Netherlands—000.00%
81.171.114.0/24The Netherlands—000.00%
81.171.115.0/24The Netherlands—000.00%
81.171.116.0/24The Netherlands—000.00%
81.171.117.0/24The Netherlands—000.00%
81.171.118.0/24The Netherlands—000.00%
81.171.119.0/24The Netherlands—000.00%
81.171.120.0/24The Netherlands—000.00%
81.171.121.0/24The Netherlands—000.00%
81.171.122.0/24The Netherlands—000.00%
81.171.123.0/24The Netherlands—000.00%
81.171.124.0/24The Netherlands—000.00%
81.171.125.0/24The Netherlands—000.00%
81.171.126.0/24The Netherlands—000.00%
81.171.127.0/24The Netherlands—000.00%
81.171.128.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.129.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.130.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.131.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.132.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.133.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.134.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.135.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.136.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.137.0/24United KingdomAS8426Claranet Limited8256100.00%
81.171.138.0/24United KingdomAS8426Claranet Limited9256100.00%
81.171.139.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.140.0/24United KingdomAS8426Claranet Limited7256100.00%
81.171.141.0/24United KingdomAS8426Claranet Limited4256100.00%
81.171.142.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.143.0/24United KingdomAS8426Claranet Limited4256100.00%
81.171.144.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.145.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.146.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.147.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.148.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.149.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.150.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.151.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.152.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.153.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.154.0/24United KingdomAS8426Claranet Limited13256100.00%
81.171.155.0/24United KingdomAS8426Claranet Limited11256100.00%
81.171.156.0/24United KingdomAS8426Claranet Limited8256100.00%
81.171.157.0/24United KingdomAS8426Claranet Limited4256100.00%
81.171.158.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.159.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.160.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.161.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.162.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.163.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.164.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.165.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.166.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.167.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.168.0/24United KingdomAS8426Claranet Limited6256100.00%
81.171.169.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.170.0/24United KingdomAS8426Claranet Limited7256100.00%
81.171.171.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.172.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.173.0/24United KingdomAS8426Claranet Limited4256100.00%
81.171.174.0/24United KingdomAS8426Claranet Limited10256100.00%
81.171.175.0/24United KingdomAS8426Claranet Limited8256100.00%
81.171.176.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.177.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.178.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.179.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.180.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.181.0/24United KingdomAS8426Claranet Limited6256100.00%
81.171.182.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.183.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.184.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.185.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.186.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.187.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.188.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.189.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.190.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.191.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.192.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.193.0/24United KingdomAS8426Claranet Limited9256100.00%
81.171.194.0/24United KingdomAS8426Claranet Limited4256100.00%
81.171.195.0/24United KingdomAS8426Claranet Limited6256100.00%
81.171.196.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.197.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.198.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.199.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.200.0/24United KingdomAS8426Claranet Limited10256100.00%
81.171.201.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.202.0/24United KingdomAS8426Claranet Limited42256100.00%
81.171.203.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.204.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.205.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.206.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.207.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.208.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.209.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.210.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.211.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.212.0/24United KingdomAS8426Claranet Limited5256100.00%
81.171.213.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.214.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.215.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.216.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.217.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.218.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.219.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.220.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.221.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.222.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.223.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.224.0/24United KingdomAS8426Claranet Limited7256100.00%
81.171.225.0/24United KingdomAS8426Claranet Limited10256100.00%
81.171.226.0/24United KingdomAS8426Claranet Limited4256100.00%
81.171.227.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.228.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.229.0/24United KingdomAS8426Claranet Limited8256100.00%
81.171.230.0/24United KingdomAS8426Claranet Limited3256100.00%
81.171.231.0/24United KingdomAS8426Claranet Limited6256100.00%
81.171.232.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.233.0/24United KingdomAS8426Claranet Limited15256100.00%
81.171.234.0/24United KingdomAS8426Claranet Limited12256100.00%
81.171.235.0/24United KingdomAS8426Claranet Limited8256100.00%
81.171.236.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.237.0/24United KingdomAS8426Claranet Limited2256100.00%
81.171.238.0/24United KingdomAS8426Claranet Limited8256100.00%
81.171.239.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.240.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.241.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.242.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.243.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.244.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.245.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.246.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.247.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.248.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.249.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.250.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.251.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.252.0/24United KingdomAS8426Claranet Limited0256100.00%
81.171.253.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.254.0/24United KingdomAS8426Claranet Limited1256100.00%
81.171.255.0/24United KingdomAS8426Claranet Limited000.00%
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.