Data as of Nov 6, 2026
77.74.104.144/28
No anonymizer space · no proxy exits in 30 daysDatum Datacentres Limited
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 77.74.104.0/21 | 2,048 | UK-DATUM-20090107 | Datum Datacentres Limited (ORG-DDL7-RIPE) · GB | ALLOCATED PA | Oct 22, 2026 | DatumEngineering@ |
| └ 77.74.104.144/28 | 16 | TDATA-MISENERGY | Teledata Network - MIS Energy | ASSIGNED PA | May 9, 2018 | DatumEngineering@ via UK-DATUM-20090107 |
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
Announced by
Covering announcement 77.74.104.0/21
- Prefix
- 77.74.104.0/21
- Announced by
- AS43545 Datum Datacentres Limited
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- UK-DATUM-20090107
- Registrant
- Datum Datacentres Limited
- RIR
- RIPE NCC
Origin network
AS43545
GB
- Name
- Datum Datacentres Limited
- Type
- Hosting
- Registered
- Aug 20, 2007
- Domain
- datum.co.uk
- Website
- www.teledata.co.uk
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 77.74.104.0/21
77.74.104.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2009
- Current origin since
- Jan 2009 · 18 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 77.74.104.0/21 | AS43545 | /21 | RIPE | RPKI valid |
IRR
Route objects on 77.74.104.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS43545 | RIPE | Teledata Manchester Block 2 | MNT-TELE | Jan 7, 2009 |
Whois
Registration for this announcement
- Range
- 77.
74. 104. 0/ 21 - Netname
- UK-DATUM-20090107
- Registrant
- Datum Datacentres Limited
- Registrant country
- GB
- Organization
- Datum Datacentres Limited (ORG-DDL7-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Oct 22, 2026
- Updated
- Oct 22, 2026
- Maintainer
- DATUM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Jan 7, 2009
- Status
- assigned
Report abuse
Abuse contact
- DatumEngineering@
datum. co. uk - Name
- Datum - Abuse Contact Role
- Handle
- DACR1-RIPE