Data as of Nov 12, 2026
81.23.57.76/30
No anonymizer space · no proxy exits in 30 daysASK4 Limited
Network & registry
Announced by
Covering announcement 81.23.48.0/20
- Prefix
- 81.23.48.0/20
- Announced by
- AS41230 ASK4 Limited
- Type
- Residential
- Proxy exits
- 4
- RPKI
- RPKI valid
- Netname
- UK-ASK4INTERNET-20060214
- Registrant
- ASK4 Limited
- RIR
- RIPE NCC
Origin network
AS41230
GB
- Name
- ASK4 Limited
- Type
- Internet provider
- Registered
- Jul 5, 2006
- Domain
- ask4.com
- Website
- www.ask4.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.23.48.0/20
81.23.48.0/20
Routing history
- Pattern
- Stable
- First seen
- Sep 2006
- Current origin since
- Sep 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.23.48.0/20 | AS41230 | /20 | RIPE | RPKI valid |
IRR
Route objects on 81.23.48.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41230 | RIPE | ASK4 network | MNT-ASK4 | Aug 18, 2006 |
Whois
Registration for this announcement
- Range
- 81.
23. 48. 0/ 20 - Netname
- UK-ASK4INTERNET-20060214
- Registrant
- ASK4 Limited
- Registrant country
- GB
- Organization
- ASK4 Limited (ORG-AL47-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Feb 14, 2006
- Updated
- Feb 4, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Feb 14, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ask4. com - Name
- ASK4 Abuse Department
- Handle
- ASKF2-RIPE