Data as of Nov 6, 2026
51.148.137.0/24
3 residential-proxy exits · 30 daysZen Internet Ltd
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Always-on exits
1
33% of its exits
Providers
23
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
1.3K observations
Proxy providers listing exits
- Ake.net
- BottingTools
- Byteful
- CatProxies
- CoreProxy
- DataImpulse
- EnigmaProxy
- FastProxy
- FloppyData
- GeekProxy
- IPRoyal
- MarsProxies
- NodeMaven
- PSBProxy
- PrivateByte
- Proxy4U
- ProxyEmpire
- ProxyRack
- ProxyWing
- RainProxy
- Shifter
- SpyderProxy
- VProxy
Network & registry
Announced by
Covering announcement 51.148.0.0/16
- Prefix
- 51.148.0.0/16
- Announced by
- AS13037 Zen Internet Ltd
- Type
- Residential
- Proxy exits
- 315
- Always-on exits
- 38
- RPKI
- RPKI valid
- Netname
- UK-ZEN
- Registrant
- Zen Internet Ltd
- RIR
- RIPE NCC
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 announcement
- 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
- 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