Data as of Nov 10, 2026
213.137.172.0/22
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 887 | 87% | 98 | |
| Internet provider | 137 | 13% | 11 |
Network & registry
Announced by
Covering announcement 213.137.160.0/19
- Prefix
- 213.137.160.0/19
- Announced by
- AS5400 British Telecommunications Limited
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- UK-BTGIA-20010308
- 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 213.137.160.0/19
213.137.160.0/19
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 |
|---|---|---|---|---|
| 213.137.160.0/19 | AS5400 | /19 | RIPE | RPKI valid |
IRR
Route objects on 213.137.160.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5400 | RIPE | BT Global Networks | CIP-MNT | Jan 4, 2007 |
Whois
Registration for this announcement
- Range
- 213.
137. 160. 0/ 19 - Netname
- UK-BTGIA-20010308
- Registrant
- British Telecommunications Limited
- Registrant country
- EU
- Organization
- British Telecommunications Limited (ORG-CNS3-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Aug 2, 2002
- Updated
- Aug 20, 2018
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Mar 8, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
eu. bt. net - Name
- Abuse-C Role
- Handle
- AR15037-RIPE