65,536 routable3 ASes
/16 subnet
51.64.0.0/16
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
1
country
3
announcing ASes
9
announced prefixes
0
anonymous addresses
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- 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.
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Carrier IP5120.78%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
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 |
|---|---|---|---|---|---|
| 51.64.9.0/24 | AS211077UK Home Office (The Secretary of State for the Home Department) | United Kingdom | Not found | 17 | 2026-10-02 |
| 51.64.32.0/24 | AS2856British Telecommunications Limited | United Kingdom | Not found | 17 | 2026-10-02 |
| 51.64.33.0/24 | AS2856British Telecommunications Limited | United Kingdom | Not found | 17 | 2026-10-27 |
| 51.64.34.0/24also AS15404 | AS2856British Telecommunications Limited | United Kingdom | Not found | 15 | 2026-10-02 |
| 51.64.34.0/24also AS2856 | AS15404COLT Technology Services Group Limited | United Kingdom | Not found | 2 | 2026-10-02 |
| 51.64.35.0/24also AS15404 | AS2856British Telecommunications Limited | United Kingdom | Not found | 15 | 2026-10-02 |
| 51.64.35.0/24also AS2856 | AS15404COLT Technology Services Group Limited | United Kingdom | Not found | 2 | 2026-10-02 |
| 51.64.254.0/24 | AS211077UK Home Office (The Secretary of State for the Home Department) | United Kingdom | Not found | 17 | 2026-10-02 |
| 51.64.255.0/24 | AS211015UK Home Office (The Secretary of State for the Home Department) | United Kingdom | Not found | 17 | 2026-10-02 |
Every /24 inside it
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.