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.
- United States4,366,628 · 26.03%
- United Kingdom3,966,720 · 23.64%
- Germany3,286,152 · 19.59%
- Saudi Arabia917,504 · 5.47%
- France870,192 · 5.19%
- Ireland510,656 · 3.04%
- The Netherlands468,692 · 2.79%
- Israel393,496 · 2.35%
- Spain355,240 · 2.12%
- Switzerland284,524 · 1.70%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS16509Amazon.com, Inc.7,771,136 · 46.32%
- AS8075Microsoft2,686,976 · 16.02%
- AS16276OVH SAS1,048,832 · 6.25%
- AS5607Sky UK Limited521,216 · 3.11%
- AS25019Saudi Telecom Company JSC204,800 · 1.22%
- AS6871British Telecommunications Limited196,608 · 1.17%
- AS12876Scaleway SAS196,608 · 1.17%
- AS39891Saudi Telecom Company JSC188,416 · 1.12%
- AS8070131,072 · 0.78%
- 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.
- VPN IP96,6480.58%
- Residential Proxy IP279,8531.67%
- Datacenter Proxy IP7,5330.04%
- Mobile Proxy IP29,8650.18%
- Tor IP1460.00%
- None here
- Hosting IP13,176,61278.54%
- CDN IP18,0800.11%
- Carrier IP192,7681.15%
- Anycast IP2,3040.01%
- SSH IP451,9612.69%
- SMTP IP62,8350.37%
- DNS Resolver IP72,5920.43%
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 51.0.0.0/20 | AS214101Amazon Data Services European Sovereign Cloud GmbH | Germany | valid | 17 | 2026-10-02 |
| 51.0.16.0/21 | AS214101Amazon Data Services European Sovereign Cloud GmbH | Germany | valid | 17 | 2026-10-02 |
| 51.0.24.0/22 | AS214101Amazon Data Services European Sovereign Cloud GmbH | Germany | valid | 17 | 2026-10-02 |
| 51.0.28.0/24 | AS214101Amazon Data Services European Sovereign Cloud GmbH | Germany | valid | 17 | 2026-10-02 |
| 51.0.31.0/24 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.32.0/19 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.64.0/18 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.128.0/21 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.136.0/23 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.138.0/23 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.140.0/23 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.142.0/23 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.251.0/24 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.0.252.0/24 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.1.0.0/16 | AS8075Microsoft | United Kingdom | valid | 17 | 2026-10-02 |
| 51.3.0.0/16 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.4.0.0/15 | AS8075Microsoft | Israel | valid | 17 | 2026-10-02 |
| 51.6.0.0/15 | AS6871British Telecommunications Limited | United Kingdom | valid | 17 | 2026-10-02 |
| 51.8.0.0/16 | AS8075Microsoft | United States | valid | 17 | 2026-10-02 |
| 51.9.0.0/16 | AS6871British Telecommunications Limited | United Kingdom | valid | 17 | 2026-10-02 |
| 51.10.0.0/15 | AS8075Microsoft | United States | valid | 17 | 2026-10-02 |
| 51.12.0.0/15 | AS8075Microsoft | Sweden | valid | 17 | 2026-10-02 |
| 51.14.0.0/16 | AS2856British Telecommunications Limited | United Kingdom | valid | 17 | 2026-10-02 |
| 51.15.0.0/16 | AS12876Scaleway SAS | The Netherlands | valid | 17 | 2026-10-02 |
| 51.15.0.0/17 | AS12876Scaleway SAS | The Netherlands | valid | 17 | 2026-10-02 |
| 51.16.0.0/15 | AS16509Amazon.com, Inc. | Israel | valid | 17 | 2026-10-02 |
| 51.19.0.0/17 | AS22773Cox Communications Inc. | United Kingdom | valid | 17 | 2026-10-02 |
| 51.19.128.0/17 | AS22773Cox Communications Inc. | United States | valid | 17 | 2026-10-02 |
| 51.19.128.0/21 | AS6079RCN | United States | valid | 17 | 2026-10-02 |
| 51.19.136.0/21 | AS6079RCN | United States | valid | 17 | 2026-10-02 |
| 51.19.144.0/21 | AS6079RCN | United States | valid | 17 | 2026-10-02 |
| 51.19.152.0/21 | AS6079RCN | United States | valid | 17 | 2026-10-02 |
| 51.19.160.0/21 | AS6079RCN | United States | valid | 17 | 2026-10-02 |
| 51.20.0.0/14 | AS16509Amazon.com, Inc. | Sweden | valid | 17 | 2026-10-02 |
| 51.20.0.0/16 | AS16509Amazon.com, Inc. | Sweden | valid | 17 | 2026-10-02 |
| 51.21.0.0/16 | AS16509Amazon.com, Inc. | Sweden | valid | 17 | 2026-10-02 |
| 51.24.0.0/13 | AS16509Amazon.com, Inc. | United Kingdom | valid | 16 | 2026-10-02 |
| 51.24.0.0/16 | AS16509Amazon.com, Inc. | United Kingdom | valid | 17 | 2026-10-02 |
| 51.32.0.0/16 | AS16509Amazon.com, Inc. | Germany | valid | 17 | 2026-10-02 |
| 51.34.0.0/15 | AS16509Amazon.com, Inc. | Switzerland | valid | 17 | 2026-10-02 |
| 51.34.0.0/16 | AS16509Amazon.com, Inc. | Switzerland | valid | 17 | 2026-10-02 |
| 51.36.0.0/18 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.0.0/19 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.0.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.0.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.1.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.2.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.4.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.6.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.8.0/22 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.8.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.10.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.12.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.14.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.16.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.18.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.20.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.20.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.21.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.22.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.22.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.24.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.26.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.28.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.30.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.30.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.31.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.32.0/19 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.32.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.34.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.36.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.38.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.40.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.42.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.44.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.46.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.48.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.48.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.49.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.50.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.50.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.51.0/24 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.52.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.54.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.56.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.58.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.60.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.62.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.64.0/18 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.64.0/22 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.64.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.66.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.68.0/22 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.68.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.70.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.72.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.74.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.76.0/22 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.76.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
| 51.36.78.0/23 | AS43766Mobile Telecommunication Company Saudi Arabia Joint-Stock company | Saudi Arabia | valid | 17 | 2026-10-02 |
Every /16 inside it
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.