Data as of Nov 6, 2026
81.187.42.0/24
No anonymizer space · no proxy exits in 30 daysWatchfront Limited · space held by Andrews & Arnold Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 81.187.0.0/16 since May 2005 | AS20712 | Residential | 53 7 always on | Andrews & Arnold Ltd |
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 |
|---|---|---|---|---|---|---|
| 81.187.0.0/16 | 65,536 | UK-AA-20030203 | Andrews & Arnold Ltd (ORG-AAL2-RIPE) · GB | ALLOCATED PA | Feb 3, 2003 | abuseripe@ |
| └ 81.187.42.42/32 | 1 | WF-DNS | Watchfront cacheing DNS | ASSIGNED PA | Aug 29, 2007 | abuseripe@ via UK-AA-20030203 |
| └ 81.187.42.64/26 | 64 | RDT-LON-COLO-2 | RDT London CoLo 2 | ASSIGNED PA | Jan 10, 2023 | abuseripe@ via UK-AA-20030203 |
| └ 81.187.42.128/27 | 32 | RDT-LON-COLO-1 | RDT London CoLo 1 | ASSIGNED PA | Aug 18, 2007 | abuseripe@ via UK-AA-20030203 |
| └ 81.187.42.176/29 | 8 | DEDICATED-PROGRAMMES-LON-COLO | Dedicated Programmes London CoLo | ASSIGNED PA | Sep 17, 2007 | abuseripe@ via UK-AA-20030203 |
| └ 81.187.42.184/29 | 8 | JORDANS-MH-COLO | Jordans Residential Lettings Maidenhead CoLo | ASSIGNED PA | Aug 18, 2007 | abuseripe@ via UK-AA-20030203 |
| └ 81.187.42.224/27 | 32 | COOPA-LTD | Coopa MH CoLo block 1 | ASSIGNED PA | Jul 25, 2012 | abuseripe@ via UK-AA-20030203 |
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 | 145 | 57% | 6 | |
| Unknown | 111 | 43% | 4 |
Network & registry
Origin network
AS41489
GB
- Name
- Watchfront Limited
- Type
- Internet provider
- Registered
- Aug 31, 2006
- Domain
- watchfront.co.uk
- Website
- watchfront.co.uk/
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2007
- Current origin since
- Aug 2007 · 19 yr
- Origin networks
- 2
- Last change of origin
- Aug 2007
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.187.42.0/24 | AS41489 | /24 | RIPE | RPKI valid |
| 81.187.0.0/16 | AS20712 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41489 | RIPE | Watchfront Limited | AA | May 26, 2015 |
Whois
Registration for this announcement
- Range
- 81.
187. 0. 0/ 16 - Netname
- UK-AA-20030203
- Registrant
- Andrews & Arnold Ltd
- Registrant country
- GB
- Organization
- Andrews & Arnold Ltd (ORG-AAL2-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Feb 3, 2003
- Updated
- Sep 29, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Feb 3, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuseripe@
aa. net. uk - Name
- AAISP Support
- Handle
- AAIS1-RIPE