Data as of Nov 13, 2026
31.
- Proxy activity
- Not seen in 30 days
- Type
- Business
- Risk
- 0 / 100 · Low
- Announced by
- AS2856British Telecommunications Limitedbt.netInternet provider
- Announcement
- 31.121.0.0/16RPKI valid
- Location
- London, England, United Kingdom
Network & registry
Announced by
Announcement
- Prefix
- 31.121.0.0/16
- Announced by
- AS2856 British Telecommunications Limited
- Type
- Residential
- Proxy exits
- 128
- Always-on exits
- 5
- RPKI
- RPKI valid
Registry
Holder
- Organization
- EE Limited
- Handle
- ORG-TIUL1-RIPE
- Range
- 31.
106. 0. 0 - 31. 127. 255. 255 - Registration type
- ALLOCATED PA
- Record created
- Nov 13, 2025
- Reallocated to
- BTnet Assignments
- Reallocated range
- 31.
121. 0. 0/ 16 - Reallocation type
- LIR-PARTITIONED PA
- Reallocated
- May 28, 2019
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 31.121.0.0/16
31.121.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Apr 2013
- Current origin since
- Mar 2019 · 7.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.121.0.0/16 | AS2856 | /16 | RIPE | RPKI valid |
IRR
Route objects on 31.121.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2856 | RIPE | BTNET-INFRA-MNT AS12576-MNT | May 22, 2019 |
Whois
Registration for this address
- Range
- 31.
121. 0. 0/ 16 - Netname
- BTnet-1
- Registrant
- BTnet Assignments
- Registrant country
- GB
- Organization
- BTnet Assignments
- Org country
- GB
- Type
- LIR-PARTITIONED PA
- Created
- May 28, 2019
- Updated
- May 28, 2019
- Maintainer
- AS12576-MNT
- Sub-assignment
- 31.
121. 8. 104/ 32 - RIR
- RIPE NCC
- Country
- GB
- Delegated
- Nov 25, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ee. co. uk - Name
- EE ABUSE
- Handle
- EA8069-RIPE
Geolocation
Location detail
- Country
- United Kingdom
- Region
- England
- City
- London
- Coordinates
- 51.
5085, -0. 1257 - Time zone
- Europe/London
- Continent
- Europe
- GeoNames
- 2643743