Data as of Nov 9, 2026
213.108.245.0/24
No anonymizer space · no proxy exits in 30 daysRETN Limited · space held by Netcalibre 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 |
|---|---|---|---|---|---|---|
| 213.108.244.0/23 | 512 | UK-WOAF-20180808 | Netcalibre Ltd (ORG-WTL3-RIPE) · GB | ALLOCATED PA | Nov 23, 2020 | abuse@ |
| └ 213.108.245.0/28 | 16 | DOM | FTSOC Ltd (ORG-FTS30-RIPE) · GB | ASSIGNED PA | Jul 14, 2026 | rrripe@ |
| └ 213.108.245.16/30 | 4 | MG | FTSOC Ltd (ORG-FTS30-RIPE) · GB | ASSIGNED PA | Jul 14, 2026 | rrripe@ |
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 | |
|---|---|---|---|---|
| Internet provider | 236 | 92% | 1 | |
| Business | 20 | 7.8% | 2 |
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
- Reactivated
- First seen
- Apr 2019
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 2
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 213.108.245.0/24 | AS9002 | /24 | RIPE | RPKI valid |
| 213.108.244.0/23 | AS57161 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 213.
108. 244. 0/ 23 - Netname
- UK-WOAF-20180808
- Registrant
- Netcalibre Ltd
- Registrant country
- GB
- Organization
- Netcalibre Ltd (ORG-WTL3-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Nov 23, 2020
- Updated
- Nov 23, 2020
- Maintainer
- LCH-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Aug 8, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
lchost. net - Name
- Netcalibre Network Operations Centre
- Handle
- ORLY-RIPE