Data as of Nov 10, 2026
212.41.136.0/29
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications 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 |
|---|---|---|---|---|---|---|
| 212.41.128.0/19 | 8,192 | UK-BTGIA-980529 | British Telecommunications Limited (ORG-CNS3-RIPE) · GB | ALLOCATED PA | Aug 20, 2002 | abuse@ |
| └ 212.41.136.0/29 | 8 | shell | shell | ASSIGNED PA | Sep 25, 2020 | abuse@ via UK-BTGIA-980529 |
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 212.41.128.0/19
- Prefix
- 212.41.128.0/19
- Announced by
- AS5400 British Telecommunications Limited
- Type
- Internet provider
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- UK-BTGIA-980529
- Registrant
- British Telecommunications Limited
- RIR
- RIPE NCC
Origin network
AS5400
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Aug 15, 1995
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 212.41.128.0/19
212.41.128.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.41.128.0/19 | AS5400 | /19 | RIPE | RPKI valid |
IRR
Route objects on 212.41.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5400 | RIPE | BT Global Services | CIP-MNT | Sep 2, 2005 |
Whois
Registration for this announcement
- Range
- 212.
41. 128. 0/ 19 - Netname
- UK-BTGIA-980529
- Registrant
- British Telecommunications Limited
- Registrant country
- GB
- Organization
- British Telecommunications Limited (ORG-CNS3-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Aug 20, 2002
- Updated
- Aug 20, 2018
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- May 29, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
eu. bt. net - Name
- Abuse-C Role
- Handle
- AR15037-RIPE