Data as of Nov 10, 2026
51.
- Proxy activity
- Not seen in 30 days
- Type
- Business
- Risk
- 0 / 100 · Low
- Announced by
- AS13037Zen Internet Ltdzen.co.ukInternet provider
- Announcement
- 51.148.0.0/16RPKI valid
- Location
- Rochdale, England, United Kingdom
Network & registry
Announced by
Announcement
- Prefix
- 51.148.0.0/16
- Announced by
- AS13037 Zen Internet Ltd
- Type
- Residential
- Proxy exits
- 321
- Always-on exits
- 39
- RPKI
- RPKI valid
Origin network
AS13037
GB
- Name
- Zen Internet Ltd
- Type
- Internet provider
- Registered
- Feb 25, 2000
- Domain
- zen.co.uk
- Website
- www.zen.co.uk/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 1
Routing timeline
Who has announced 51.148.0.0/16
51.148.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Nov 2015
- Current origin since
- Nov 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 51.148.0.0/16 | AS13037 | /20 | RIPE | RPKI valid |
IRR
Route objects on 51.148.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13037 | RIPE | Zen Internet Ltd | ZEN-MNT | Oct 6, 2016 |
Whois
Registration for this address
- Range
- 51.
148. 0. 0/ 16 - Netname
- UK-ZEN
- Registrant
- Zen Internet Ltd
- Registrant country
- GB
- Organization
- Zen Internet Ltd (ORG-ZIL1-RIPE)
- Org country
- GB
- Type
- LEGACY
- Created
- Sep 23, 2015
- Updated
- Jul 22, 2024
- Maintainer
- RIPE-NCC-LEGACY-MNT
- Sub-assignment
- 51.
148. 41. 40/ 32 - RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zen. co. uk - Name
- Abuse-C Role
- Handle
- AR18024-RIPE
Geolocation
Location detail
- Country
- United Kingdom
- Region
- England
- City
- Rochdale
- Coordinates
- 53.
6177, -2. 1552 - Time zone
- Europe/London
- Continent
- Europe
- GeoNames
- 2639272