65,536 routable1 AS
/16 subnet
51.155.0.0/16
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
1
announcing AS
1
announced prefix
11,122
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.
- AS13037Zen Internet Ltd65,536 · 100.00%
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.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 51.155.0.0/16 | AS13037Zen Internet Ltd | United Kingdom | Valid | 17 | 2026-10-02 |
Every /24 inside it
00 · Evaluate
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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.