Data as of Nov 8, 2026
144.87.16.0/21
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Nov 8, 2026
from AS2856 British Telecommunications Limited, after 2.4 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 144.87.16.0/20 since Sep 2017 | AS2856 | Business | Royal Mail Group Limited |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 144.87.0.0/16 | 65,536 | UKPOIT-NET | Royal Mail Group Limited (ORG-BR23-RIPE) · GB | LEGACY | Dec 9, 2003 | abuse@ |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2017
- Current origin since
- Nov 8, 2026 · under a month
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2856 | RIPE | FTIP003670545 | BTNET-MNT | Sep 21, 2017 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 144.87.16.0/22 | AS2856 | RIPE | FTIP003670545 | BTNET-MNT | Oct 28, 2022 |
| 144.87.20.0/22 | AS2856 | RIPE | FTIP003670545 | BTNET-MNT | Oct 28, 2022 |
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- UKPOIT-NET
- Registrant
- Royal Mail Group Limited
- Registrant country
- GB
- Organization
- Not stated by the registry
- Created
- Dec 9, 2003
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Nov 20, 1990
- Status
- assigned