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HomeAll IP Ranges51.0.0.0/8
16,777,216 routable124 ASes
/8 block

51.0.0.0/8

Where this block is, who announces it, and what our databases hold in it. Below, every /16 inside it; open one for its /24 subnets.

16,777,216
routable addresses
16,777,216
geolocated
109
countries
124
announcing ASes
1,910
announced prefixes
380,878
anonymous addresses

Where it is

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

top 10 of 109
  1. United States4,366,628 · 26.03%
  2. United Kingdom3,966,720 · 23.64%
  3. Germany3,286,152 · 19.59%
  4. Saudi Arabia917,504 · 5.47%
  5. France870,192 · 5.19%
  6. Ireland510,656 · 3.04%
  7. The Netherlands468,692 · 2.79%
  8. Israel393,496 · 2.35%
  9. Spain355,240 · 2.12%
  10. Switzerland284,524 · 1.70%

Who announces it

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

top 25 of 124
  1. AS16509Amazon.com, Inc.7,771,136 · 46.32%
  2. AS8075Microsoft2,686,976 · 16.02%
  3. AS16276OVH SAS1,048,832 · 6.25%
  4. AS5607Sky UK Limited521,216 · 3.11%
  5. AS25019Saudi Telecom Company JSC204,800 · 1.22%
  6. AS6871British Telecommunications Limited196,608 · 1.17%
  7. AS12876Scaleway SAS196,608 · 1.17%
  8. AS39891Saudi Telecom Company JSC188,416 · 1.12%
  9. AS8070131,072 · 0.78%
  10. AS13037Zen Internet Ltd131,072 · 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.

first 100 of 1,910
PREFIXORIGINCOUNTRYRPKIPEERSFIRST SEEN
51.0.0.0/20AS214101Amazon Data Services European Sovereign Cloud GmbHGermanyvalid172026-10-02
51.0.16.0/21AS214101Amazon Data Services European Sovereign Cloud GmbHGermanyvalid172026-10-02
51.0.24.0/22AS214101Amazon Data Services European Sovereign Cloud GmbHGermanyvalid172026-10-02
51.0.28.0/24AS214101Amazon Data Services European Sovereign Cloud GmbHGermanyvalid172026-10-02
51.0.31.0/24AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.32.0/19AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.64.0/18AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.128.0/21AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.136.0/23AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.138.0/23AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.140.0/23AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.142.0/23AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.251.0/24AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.0.252.0/24AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.1.0.0/16AS8075MicrosoftUnited Kingdomvalid172026-10-02
51.3.0.0/16AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.4.0.0/15AS8075MicrosoftIsraelvalid172026-10-02
51.6.0.0/15AS6871British Telecommunications LimitedUnited Kingdomvalid172026-10-02
51.8.0.0/16AS8075MicrosoftUnited Statesvalid172026-10-02
51.9.0.0/16AS6871British Telecommunications LimitedUnited Kingdomvalid172026-10-02
51.10.0.0/15AS8075MicrosoftUnited Statesvalid172026-10-02
51.12.0.0/15AS8075MicrosoftSwedenvalid172026-10-02
51.14.0.0/16AS2856British Telecommunications LimitedUnited Kingdomvalid172026-10-02
51.15.0.0/16AS12876Scaleway SASThe Netherlandsvalid172026-10-02
51.15.0.0/17AS12876Scaleway SASThe Netherlandsvalid172026-10-02
51.16.0.0/15AS16509Amazon.com, Inc.Israelvalid172026-10-02
51.19.0.0/17AS22773Cox Communications Inc.United Kingdomvalid172026-10-02
51.19.128.0/17AS22773Cox Communications Inc.United Statesvalid172026-10-02
51.19.128.0/21AS6079RCNUnited Statesvalid172026-10-02
51.19.136.0/21AS6079RCNUnited Statesvalid172026-10-02
51.19.144.0/21AS6079RCNUnited Statesvalid172026-10-02
51.19.152.0/21AS6079RCNUnited Statesvalid172026-10-02
51.19.160.0/21AS6079RCNUnited Statesvalid172026-10-02
51.20.0.0/14AS16509Amazon.com, Inc.Swedenvalid172026-10-02
51.20.0.0/16AS16509Amazon.com, Inc.Swedenvalid172026-10-02
51.21.0.0/16AS16509Amazon.com, Inc.Swedenvalid172026-10-02
51.24.0.0/13AS16509Amazon.com, Inc.United Kingdomvalid162026-10-02
51.24.0.0/16AS16509Amazon.com, Inc.United Kingdomvalid172026-10-02
51.32.0.0/16AS16509Amazon.com, Inc.Germanyvalid172026-10-02
51.34.0.0/15AS16509Amazon.com, Inc.Switzerlandvalid172026-10-02
51.34.0.0/16AS16509Amazon.com, Inc.Switzerlandvalid172026-10-02
51.36.0.0/18AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.0.0/19AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.0.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.0.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.1.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.2.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.4.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.6.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.8.0/22AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.8.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.10.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.12.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.14.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.16.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.18.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.20.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.20.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.21.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.22.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.22.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.24.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.26.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.28.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.30.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.30.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.31.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.32.0/19AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.32.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.34.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.36.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.38.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.40.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.42.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.44.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.46.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.48.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.48.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.49.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.50.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.50.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.51.0/24AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.52.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.54.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.56.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.58.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.60.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.62.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.64.0/18AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.64.0/22AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.64.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.66.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.68.0/22AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.68.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.70.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.72.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.74.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.76.0/22AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.76.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02
51.36.78.0/23AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock companySaudi Arabiavalid172026-10-02

Every /16 inside it

51.0.0.0/16GermanyAS16509Amazon.com, Inc.836,90056.31%
51.1.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.2.0.0/16United Kingdom—000.00%
51.3.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.4.0.0/16IsraelAS8075Microsoft5365,536100.00%
51.5.0.0/16United StatesAS8075Microsoft065,536100.00%
51.6.0.0/16United KingdomAS6871British Telecommunications Limited2,44214,33624.64%
51.7.0.0/16United KingdomAS6871British Telecommunications Limited2,39612,54421.88%
51.8.0.0/16United StatesAS8075Microsoft6865,536100.00%
51.9.0.0/16United KingdomAS6871British Telecommunications Limited2,91414,33625.08%
51.10.0.0/16United StatesAS8075Microsoft165,536100.00%
51.11.0.0/16United KingdomAS8075Microsoft18765,536100.00%
51.12.0.0/16SwedenAS8075Microsoft3465,536100.00%
51.13.0.0/16NorwayAS8075Microsoft6665,536100.00%
51.14.0.0/16United KingdomAS2856British Telecommunications Limited2,92965,536100.00%
51.15.0.0/16The NetherlandsAS12876Scaleway SAS11,24265,536100.00%
51.16.0.0/16IsraelAS16509Amazon.com, Inc.48265,536100.00%
51.17.0.0/16IsraelAS16509Amazon.com, Inc.77065,536100.00%
51.18.0.0/16United States—011,26417.19%
51.19.0.0/16United StatesAS22773Cox Communications Inc.000.00%
51.20.0.0/16SwedenAS16509Amazon.com, Inc.1,07265,536100.00%
51.21.0.0/16SwedenAS16509Amazon.com, Inc.69665,536100.00%
51.22.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.23.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.24.0.0/16United KingdomAS16509Amazon.com, Inc.54865,536100.00%
51.25.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.26.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.27.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.28.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.29.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.30.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.31.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.32.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.33.0.0/16United Kingdom—000.00%
51.34.0.0/16SwitzerlandAS16509Amazon.com, Inc.51565,536100.00%
51.35.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.36.0.0/16Saudi ArabiaAS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company40,3661,28062.37%
51.37.0.0/16IrelandAS15502Vodafone Ireland Limited25,4308,19246.44%
51.38.0.0/16FranceAS16276OVH SAS2,01665,536100.00%
51.39.0.0/16Saudi ArabiaAS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company31,76351248.93%
51.40.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.41.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.42.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.43.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.44.0.0/16FranceAS16509Amazon.com, Inc.4,53765,536100.00%
51.45.0.0/16FranceAS16509Amazon.com, Inc.11265,536100.00%
51.46.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.47.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.48.0.0/16SpainAS16509Amazon.com, Inc.33965,536100.00%
51.49.0.0/16SpainAS16509Amazon.com, Inc.44865,536100.00%
51.50.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.51.0.0/16United StatesAS8075Microsoft065,536100.00%
51.52.0.0/16United KingdomAS31655Gamma Telecom Holdings Ltd7,85148,89675.09%
51.53.0.0/16TaiwanAS8075Microsoft21465,536100.00%
51.54.0.0/16United StatesAS8070AS80701665,536100.00%
51.55.0.0/16United StatesAS8070AS8070765,536100.00%
51.56.0.0/16AustraliaAS8075Microsoft065,536100.00%
51.57.0.0/16United StatesAS8075Microsoft1465,536100.00%
51.58.0.0/16IsraelAS8075Microsoft1065,536100.00%
51.59.0.0/16BrazilAS8075Microsoft065,536100.00%
51.60.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.61.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.62.0.0/16United Kingdom—000.00%
51.63.0.0/16United Kingdom—000.00%
51.64.0.0/16United KingdomAS15404COLT Technology Services Group Limited000.00%
51.65.0.0/16United Kingdom—000.00%
51.66.0.0/16United Kingdom—000.00%
51.67.0.0/16United Kingdom—000.00%
51.68.0.0/16FranceAS16276OVH SAS1,46665,536100.00%
51.69.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.70.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.71.0.0/16United Kingdom—000.00%
51.72.0.0/16GermanyAS16509Amazon.com, Inc.565,536100.00%
51.73.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.74.0.0/16GermanyAS16509Amazon.com, Inc.037,37657.03%
51.75.0.0/16FranceAS16276OVH SAS4,31165,536100.00%
51.76.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.77.0.0/16FranceAS16276OVH SAS1,13565,536100.00%
51.78.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.79.0.0/16CanadaAS16276OVH SAS93865,536100.00%
51.80.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.81.0.0/16United StatesAS16276OVH SAS1,80165,536100.00%
51.82.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.83.0.0/16FranceAS16276OVH SAS1,18465,536100.00%
51.84.0.0/16IsraelAS16509Amazon.com, Inc.69365,536100.00%
51.85.0.0/16IsraelAS16509Amazon.com, Inc.40465,536100.00%
51.86.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.87.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.88.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.89.0.0/16United KingdomAS16276OVH SAS2,50365,536100.00%
51.90.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.91.0.0/16FranceAS16276OVH SAS68065,536100.00%
51.92.0.0/16SpainAS16509Amazon.com, Inc.35465,536100.00%
51.93.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.94.0.0/16SpainAS16509Amazon.com, Inc.28765,536100.00%
51.95.0.0/16SpainAS16509Amazon.com, Inc.23365,536100.00%
51.96.0.0/16SwitzerlandAS16509Amazon.com, Inc.57965,536100.00%
51.97.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.98.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.99.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.100.0.0/16United States—065,536100.00%
51.101.0.0/16United States—065,536100.00%
51.102.0.0/16GermanyAS16509Amazon.com, Inc.54665,536100.00%
51.103.0.0/16FranceAS8075Microsoft24665,536100.00%
51.104.0.0/16IrelandAS8075Microsoft15265,536100.00%
51.105.0.0/16The NetherlandsAS8075Microsoft17365,536100.00%
51.106.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.107.0.0/16SwitzerlandAS8075Microsoft9665,536100.00%
51.108.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.109.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.110.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.111.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.112.0.0/16United Arab EmiratesAS16509Amazon.com, Inc.3965,536100.00%
51.113.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.114.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.115.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.116.0.0/16GermanyAS8075Microsoft15465,536100.00%
51.117.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.118.0.0/16ItalyAS16509Amazon.com, Inc.47865,536100.00%
51.119.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.120.0.0/16NorwayAS8075Microsoft10865,536100.00%
51.121.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.122.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.123.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.124.0.0/16The NetherlandsAS8075Microsoft13765,536100.00%
51.125.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.126.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.127.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.128.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.129.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.130.0.0/16United Kingdom—000.00%
51.131.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.132.0.0/16United KingdomAS8075Microsoft18465,536100.00%
51.133.0.0/16United KingdomAS215854Exponential-E Ltd.000.00%
51.134.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.135.0.0/16United KingdomAS8075Microsoft065,536100.00%
51.136.0.0/16The NetherlandsAS8075Microsoft9265,536100.00%
51.137.0.0/16The NetherlandsAS8075Microsoft11965,536100.00%
51.138.0.0/16The NetherlandsAS8075Microsoft15965,536100.00%
51.139.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.140.0.0/16United KingdomAS8075Microsoft28965,536100.00%
51.141.0.0/16United KingdomAS8075Microsoft14865,536100.00%
51.142.0.0/16United KingdomAS8075Microsoft15065,536100.00%
51.143.0.0/16United StatesAS8075Microsoft18765,536100.00%
51.144.0.0/16The NetherlandsAS8075Microsoft16165,536100.00%
51.145.0.0/16The NetherlandsAS8075Microsoft19365,536100.00%
51.146.0.0/16United StatesAS401783TOKALA COMMUNICATIONS INC.2,64316,64027.05%
51.147.0.0/16United Kingdom—000.00%
51.148.0.0/16United KingdomAS13037Zen Internet Ltd3,97129,69645.88%
51.149.0.0/16United KingdomAS25180Exponential-E Ltd.612,8164.35%
51.150.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.151.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.152.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.153.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.154.0.0/16SwitzerlandAS15796Salt Mobile SA1,44110,49617.79%
51.155.0.0/16United KingdomAS13037Zen Internet Ltd11,01157,08887.47%
51.156.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.157.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.158.0.0/16The NetherlandsAS12876Scaleway SAS11,62665,536100.00%
51.159.0.0/16FranceAS12876Scaleway SAS2,56765,536100.00%
51.160.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.161.0.0/16AustraliaAS16276OVH SAS89565,536100.00%
51.162.0.0/16AustraliaAS15830Equinix (EMEA) Acquisition Enterprises B.V.15835,84054.69%
51.163.0.0/16United KingdomAS47973Digital Realty Netherlands B.V.22416,12824.62%
51.164.0.0/16Saudi Arabia—065,536100.00%
51.165.0.0/16Saudi Arabia—065,536100.00%
51.166.0.0/16Saudi Arabia—065,536100.00%
51.167.0.0/16Saudi Arabia—065,536100.00%
51.168.0.0/16Saudi ArabiaAS16509Amazon.com, Inc.065,536100.00%
51.169.0.0/16Saudi ArabiaAS16509Amazon.com, Inc.065,536100.00%
51.170.0.0/16SwedenAS31898Oracle Corporation12537,88857.81%
51.171.0.0/16IrelandAS5466Eircom Limited5,01026,88043.32%
51.172.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.173.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.174.0.0/16NorwayAS29695Lyse Tele AS1,5803,3287.36%
51.175.0.0/16NorwayAS29695Lyse Tele AS7284,8648.42%
51.176.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.177.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.178.0.0/16FranceAS16276OVH SAS68165,536100.00%
51.179.0.0/16ItalyAS198471Opnet Srl4,4727,68017.96%
51.180.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.181.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.182.0.0/16IrelandAS5607Sky UK Limited2,1332563.64%
51.183.0.0/16IrelandAS5607Sky UK Limited76401.17%
51.184.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.185.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.186.0.0/16IrelandAS5607Sky UK Limited1,9942563.42%
51.187.0.0/16IrelandAS5607Sky UK Limited1,7192563.00%
51.188.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.189.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.190.0.0/16United KingdomAS5607Sky UK Limited2,2852,3046.86%
51.191.0.0/16United KingdomAS5607Sky UK Limited2,5174,35210.05%
51.192.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.193.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.194.0.0/16United StatesAS215294Lumina broadband UAB3,99511,00821.68%
51.195.0.0/16FranceAS16276OVH SAS2,32765,536100.00%
51.196.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.197.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.198.0.0/16United KingdomAS5607Sky UK Limited1,3833,3287.11%
51.199.0.0/16IrelandAS5607Sky UK Limited1,7572,0485.79%
51.200.0.0/16United KingdomAS16509Amazon.com, Inc.1165,536100.00%
51.201.0.0/16United KingdomAS16509Amazon.com, Inc.265,536100.00%
51.202.0.0/16United KingdomAS16509Amazon.com, Inc.265,536100.00%
51.203.0.0/16United KingdomAS16509Amazon.com, Inc.165,536100.00%
51.204.0.0/16United States—065,536100.00%
51.205.0.0/16United States—065,536100.00%
51.206.0.0/16United States—065,536100.00%
51.207.0.0/16United States—065,536100.00%
51.208.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.209.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.210.0.0/16FranceAS16276OVH SAS66365,536100.00%
51.211.0.0/16Saudi ArabiaAS25019Saudi Telecom Company JSC22,24632,51255.33%
51.212.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.213.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.214.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.215.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.216.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.217.0.0/16GermanyAS16509Amazon.com, Inc.065,536100.00%
51.218.0.0/16Saudi ArabiaAS25019Saudi Telecom Company JSC200.00%
51.219.0.0/16United KingdomAS31655Gamma Telecom Holdings Ltd8,79752,73680.79%
51.220.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.221.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.222.0.0/16CanadaAS16276OVH SAS56865,536100.00%
51.223.0.0/16Saudi ArabiaAS25019Saudi Telecom Company JSC27,00038,91261.46%
51.224.0.0/16GermanyAS16509Amazon.com, Inc.12965,536100.00%
51.225.0.0/16GermanyAS16509Amazon.com, Inc.4465,536100.00%
51.226.0.0/16United States—000.00%
51.227.0.0/16United States—000.00%
51.228.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.229.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.230.0.0/16United KingdomAS2856British Telecommunications Limited3100.05%
51.231.0.0/16United Kingdom—000.00%
51.232.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.233.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.234.0.0/16United Kingdom—000.00%
51.235.0.0/16Saudi ArabiaAS39891Saudi Telecom Company JSC47,61812,03281.81%
51.236.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.237.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.238.0.0/16United Kingdom—000.00%
51.239.0.0/16United Kingdom—000.00%
51.240.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.241.0.0/16United StatesAS30058FDCservers.net4,00131,48852.12%
51.242.0.0/16United Kingdom—000.00%
51.243.0.0/16United Kingdom—000.00%
51.244.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.245.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.246.0.0/16United Kingdom—000.00%
51.247.0.0/16United Kingdom—000.00%
51.248.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.249.0.0/16United StatesAS16509Amazon.com, Inc.065,536100.00%
51.250.0.0/16RussiaAS200350Yandex.Cloud LLC57732,76850.00%
51.251.0.0/16United Kingdom—000.00%
51.252.0.0/16Saudi ArabiaAS39891Saudi Telecom Company JSC14,393021.96%
51.253.0.0/16Saudi ArabiaAS39891Saudi Telecom Company JSC25,472038.87%
51.254.0.0/16FranceAS16276OVH SAS87765,536100.00%
51.255.0.0/16FranceAS16276OVH SAS44765,536100.00%
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.