Data as of Nov 10, 2026
166.49.239.72/29
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by communications networking services Private Unlimited Company
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 |
|---|---|---|---|---|---|---|
| 166.49.128.0/17 | 32,768 | BT-IGNITE-GLOBAL-BACKBONE | communications networking services Private Unlimited Company (ORG-CNS54-RIPE) · GB | LEGACY | Jul 9, 2003 | ipadmin@ |
| └ 166.49.239.0/25 | 128 | BT_ | British Telecommunications Limited (ORG-CNS3-RIPE) · GB | LEGACY | Mar 22, 2023 | abuse@ |
| └ 166.49.239.72/29 | 8 | COMPUTACENTER | COMPUTACENTER | LEGACY | Nov 8, 2025 | abuse@ via BT_AS5400_CC33_WB |
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 166.49.128.0/17
- Prefix
- 166.49.128.0/17
- Announced by
- AS5400 British Telecommunications Limited
- Type
- Unknown
- Proxy exits
- 18
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- BT-IGNITE-GLOBAL-BACKBONE
- Registrant
- communications networking services Private Unlimited Company
- 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 166.49.128.0/17
166.49.128.0/17
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 |
|---|---|---|---|---|
| 166.49.128.0/17 | AS5400 | /17 | RIPE | RPKI valid |
IRR
Route objects on 166.49.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5400 | RIPE | BT Global Networks | CIP-MNT | Jan 4, 2007 |
Whois
Registration for this announcement
- Range
- 166.
49. 128. 0/ 17 - Netname
- BT-IGNITE-GLOBAL-BACKBONE
- Registrant
- communications networking services Private Unlimited Company
- Registrant country
- GB
- Organization
- communications networking services Private Unlimited Company (ORG-CNS54-RIPE)
- Org country
- GB
- Type
- LEGACY
- Created
- Jul 9, 2003
- Updated
- Jul 23, 2024
- Maintainer
- cip-mnt
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Mar 24, 1993
- Status
- assigned
Report abuse
Abuse contact
- ipadmin@
bt. com - Name
- Abuse contact role object
- Handle
- ACRO56759-RIPE