Data as of Nov 6, 2026
51.149.18.0/24
3 residential-proxy exits · 30 daysBritish Telecommunications Limited · space held by Department for Work and Pensions
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS25180 Exponential-E Ltd.
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
9
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
38 observations
Proxy providers listing exits
- Ake.net
- AnyIP
- BottingTools
- Byteful
- FloppyData
- NextProxy
- ProxyEmpire
- SpyderProxy
- VitalExclusive
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 |
|---|---|---|---|---|---|---|
| 51.149.0.0/16 | 65,536 | UK-DWP | Department for Work and Pensions (ORG-DFWA1-RIPE) · GB | LEGACY | Jan 26, 2018 | ipabuse@ |
| └ 51. | 64,256 | UK-HM_ | unknown | LEGACY | May 2, 2018 | ipabuse@ via UK-DWP |
| └ 51.149.18.0/24 | 256 | UK_ | unknown | LEGACY | Jun 8, 2021 | N&INetworkOperations@ |
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
Registry
Holder
- Organization
- Department for Work and Pensions
- Handle
- ORG-DFWA1-RIPE
- Range
- 51.
149. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Jan 26, 2018
- Legacy
- yes
Origin network
AS2856
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Dec 22, 1993
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 12
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2023
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 2
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 51.
149. 18. 0/ 24 - Netname
- UK_
Home_ Office - Registrant country
- GB
- Organization
- Not stated by the registry
- Type
- LEGACY
- Created
- Jun 8, 2021
- Updated
- Feb 27, 2025
- Maintainer
- uk-caboffice-1-mnt
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- N&INetworkOperations@
homeoffice. gov. uk - Name
- Abuse-C Role
- Handle
- AR62973-RIPE