Data as of Nov 5, 2026
51.149.22.0/23
No anonymizer space · no proxy exits in 30 daysExponential-E Ltd. · space held by Department for Work and Pensions
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 |
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
AS25180
GB
- Name
- Exponential-E Ltd.
- Type
- Internet provider
- Registered
- Aug 23, 2002
- Domain
- exponential-e.com
- Website
- www.exponential-e.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2023
- Current origin since
- Oct 2023 · 3.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 51.
149. 3. 0 - 51. 149. 253. 255 - Netname
- UK-HM_
Government - Registrant country
- GB
- Organization
- Not stated by the registry
- Type
- LEGACY
- Created
- May 2, 2018
- Updated
- Feb 6, 2024
- Maintainer
- DWP-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- ipabuse@
dwp. gov. uk - Name
- DWP-NETWORKS
- Handle
- DA10544-RIPE