Data as of Nov 10, 2026
109.159.136.0/22
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited
Network & registry
Announced by
Covering announcement 109.144.0.0/12
- Prefix
- 109.144.0.0/12
- Announced by
- AS2856 British Telecommunications Limited
- Type
- Residential
- Proxy exits
- 62,704
- Always-on exits
- 2,487
- RPKI
- RPKI valid
- Netname
- UK-BT-20090806
- Registrant
- British Telecommunications Limited
- RIR
- RIPE NCC
Origin network
AS2856
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Dec 22, 1993
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 12
Routing timeline
Who has announced 109.144.0.0/12
109.144.0.0/12
Routing history
- Pattern
- Stable
- First seen
- Sep 2009
- Current origin since
- Sep 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 109.144.0.0/12 | AS2856 | /12 | RIPE | RPKI valid |
IRR
Route objects on 109.144.0.0/12
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2856 | RIPE | BT Public Internet Service | BTNET-INFRA-MNT | Sep 15, 2022 |
Whois
Registration for this announcement
- Range
- 109.
144. 0. 0/ 12 - Netname
- UK-BT-20090806
- Registrant
- British Telecommunications Limited
- Registrant country
- GB
- Organization
- British Telecommunications Limited (ORG-BPIS1-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Aug 6, 2009
- Updated
- Nov 12, 2023
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Aug 6, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
bt. com - Name
- Abuse-C Role
- Handle
- AR13878-RIPE