Data as of Nov 8, 2026
185.229.51.128/28
1 residential-proxy exit · 30 daysCambridge Fibre Networks Ltd. · reallocated from Netservers Limited
Residential-proxy exits
Proxy exits
1
6.3% of its addresses · 30 days
Providers
4
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
125 observations
Proxy providers listing exits
- Byteful
- NovaProxy
- ProxyEmpire
- ThunderProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 185.229.48.0/22 since Jan 2018 | AS35826 | Hosting | 2 | Netservers Limited |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 185.229.48.0/22 | 1,024 | UK-NETSERVERS-20171031 | Netservers Limited (ORG-NL54-RIPE) · GB | ALLOCATED PA | Dec 14, 2021 | abuse@ |
| └ 185.229.51.0/24 | 256 | NS-UK-CFN-20260430 | Cambridge Fibre Networks Ltd. (ORG-CFNL1-RIPE) · GB | SUB-ALLOCATED PA | Apr 30, 2026 | abuse@ |
| └ 185.229.51.128/28 | 16 | CFN-INFRA-B | CFN Customer CGN mapped | ASSIGNED PA | Apr 30, 2026 | abuse@ via NS-UK-CFN-20260430 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 185.229.51.0/24
- Prefix
- 185.229.51.0/24
- Announced by
- AS205311 Cambridge Fibre Networks Ltd.
- Type
- Residential
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- NS-UK-CFN-20260430
- Registrant
- Cambridge Fibre Networks Ltd.
- RIR
- RIPE NCC
Registry
Holder
- Organization
- Netservers Limited
- Handle
- ORG-NL54-RIPE
- Range
- 185.
229. 48. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Dec 14, 2021
- Reallocated to
- Cambridge Fibre Networks Ltd. (ORG-CFNL1-RIPE)
- Reallocated range
- 185.
229. 51. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Apr 30, 2026
Origin network
AS205311
GB
- Name
- Cambridge Fibre Networks Ltd.
- Type
- Internet provider
- Registered
- Sep 25, 2017
- Domain
- cfn.ltd
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
185.229.51.0/24
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 6 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.229.51.0/24 | AS205311 | /24 | RIPE | RPKI valid |
| 185.229.48.0/22 | AS35826 | /22 | RIPE | Another network |
IRR
Route objects on 185.229.51.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS205311 | RIPE | UK-CFN-1-MNT | Apr 30, 2026 |
Whois
Registration for this announcement
- Range
- 185.
229. 51. 0/ 24 - Netname
- NS-UK-CFN-20260430
- Registrant
- Cambridge Fibre Networks Ltd.
- Registrant country
- GB
- Organization
- Cambridge Fibre Networks Ltd. (ORG-CFNL1-RIPE)
- Org country
- GB
- Type
- SUB-ALLOCATED PA
- Created
- Apr 30, 2026
- Updated
- Apr 30, 2026
- Maintainer
- NETSERVERS-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Oct 31, 2017
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cfn. ltd - Name
- Abuse-C Role
- Handle
- AR42860-RIPE