Data as of Nov 6, 2026
5.133.21.72/29
No anonymizer space · no proxy exits in 30 daysSouthern Communications Ltd
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 |
|---|---|---|---|---|---|---|
| 5.133.16.0/21 | 2,048 | UK-SOUTHERNCOMMS-20120704 | Southern Communications Ltd (ORG-SCL33-RIPE) · GB | ALLOCATED PA | Nov 22, 2021 | security. |
| └ 5.133.21.72/29 | 8 | EFAR-BROADBAND | Assystem UK | ASSIGNED PA | Jan 10, 2014 | security. via UK-SOUTHERNCOMMS-20120704 |
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 5.133.16.0/21
- Prefix
- 5.133.16.0/21
- Announced by
- AS59395 Southern Communications Ltd
- Type
- Internet provider
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- UK-SOUTHERNCOMMS-20120704
- Registrant
- Southern Communications Ltd
- RIR
- RIPE NCC
Origin network
AS59395
GB
- Name
- Southern Communications Ltd
- Type
- Internet provider
- Registered
- Jul 4, 2012
- Domain
- southern-comms.co.uk
- Website
- www.southern-comms.co.uk/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 5.133.16.0/21
5.133.16.0/21
Routing history
- Pattern
- Stable
- First seen
- Aug 2012
- Current origin since
- Aug 2012 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 5.133.16.0/21 | AS59395 | /21 | RIPE | RPKI valid |
IRR
Route objects on 5.133.16.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS59395 | RIPE | Southern Communications Ltd - formally Efar Ltd | EFAR-MNT | Aug 31, 2022 |
Whois
Registration for this announcement
- Range
- 5.
133. 16. 0/ 21 - Netname
- UK-SOUTHERNCOMMS-20120704
- Registrant
- Southern Communications Ltd
- Registrant country
- GB
- Organization
- Southern Communications Ltd (ORG-SCL33-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Nov 22, 2021
- Updated
- Nov 22, 2021
- Maintainer
- EFAR-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Jul 4, 2012
- Status
- assigned
Report abuse
Abuse contact
- security.
notifications@ scgcloud. com - Name
- Abuse Contact
- Handle
- AC28097-RIPE