Data as of Nov 6, 2026
87.245.208.0/21
No anonymizer space · no proxy exits in 30 daysRETN 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 |
|---|---|---|---|---|---|---|
| 87. | 12,288 | UK-RETN-20050824 | RETN Limited (ORG-RL19-RIPE) · GB | ALLOCATED PA | Nov 25, 2022 | abuse@ |
| └ 87.245.215.128/25 | 128 | RETN-Zurich | unknown | ASSIGNED PA | Aug 7, 2017 | abuse@ via UK-RETN-20050824 |
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
Origin network
AS9002
GB
- Name
- RETN Limited
- Type
- Internet provider
- Registered
- Mar 25, 2008
- Domain
- retn.net
- Website
- www.retn.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2010
- Current origin since
- Nov 2022 · 4.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 87.245.208.0/21 | AS9002 | /21 | RIPE | RPKI valid |
| 87.245.208.0/20 | AS9002 | /20 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9002 | RIPE | MNT-RETN | Nov 16, 2022 |
Whois
Registration for this announcement
- Range
- 87.
245. 208. 0 - 87. 245. 255. 255 - Netname
- UK-RETN-20050824
- Registrant
- RETN Limited
- Registrant country
- GB
- Organization
- RETN Limited (ORG-RL19-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Nov 25, 2022
- Updated
- Jul 2, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Aug 24, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
retn. net - Name
- RETN.net Contacts Data
- Handle
- RCD1-RIPE