Data as of Nov 8, 2026
185.229.51.0/24
2 residential-proxy exits · 30 daysCambridge Fibre Networks Ltd. · reallocated from Netservers Limited
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Providers
4
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
126 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 the announcement: those covering it, widest first, then every record inside it, 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@ |
| └ 185.229.51.0/25 | 128 | CFN-FTTP-BUS-C | unknown | ASSIGNED PA | Apr 30, 2026 | abuse@ via NS-UK-CFN-20260430 |
| └ 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 144 | 56% | 2 | |
| Residential | 112 | 44% | 1 |
Network & registry
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
Summary
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 the exact prefix
| 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