Data as of Nov 5, 2026
31.95.48.0/21
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · reallocated from EE 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 |
|---|---|---|---|---|---|---|
| 31. | 458,752 | UK-TM-20101125 | EE Limited (ORG-TIUL1-RIPE) · GB | ALLOCATED PA | Apr 24, 2025 | abuse@ |
| └ 31.95.0.0/16 | 65,536 | BT-GLOBALFABRIC | BT Global Fabric Customers | LIR-PARTITIONED PA | Oct 10, 2023 | abuse@ |
| └ 31.95.48.0/21 | 2,048 | BT_ | British Telecommunications Limited (ORG-CNS3-RIPE) · GB | SUB-ALLOCATED PA | Oct 24, 2025 | abuse@ |
| └ 31.95.48.8/29 | 8 | BT-GF-031095048008 | BT Global Fabric customers | ASSIGNED PA | Feb 20, 2026 | abuse@ via BT_AS5400_CC32_WB |
| └ 31.95.48.24/29 | 8 | BT-GF-031095048024 | BT Global Fabric customers | ASSIGNED PA | May 6, 2026 | abuse@ via BT_AS5400_CC32_WB |
| └ 31.95.48.32/29 | 8 | BT-GF-031095048032 | BT Global Fabric customers | ASSIGNED PA | May 6, 2026 | abuse@ via BT_AS5400_CC32_WB |
| └ 31.95.48.64/27 | 32 | BT-GF-031095048064 | BT Global Fabric customers | ASSIGNED PA | May 6, 2026 | abuse@ via BT_AS5400_CC32_WB |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,992 | 97% | 4 | |
| Business | 56 | 2.7% | 4 |
Network & registry
Registry
Holder
- Organization
- EE Limited
- Handle
- ORG-TIUL1-RIPE
- Range
- 31.
90. 0. 0 - 31. 96. 255. 255 - Registration type
- ALLOCATED PA
- Record created
- Apr 24, 2025
- Reallocated to
- British Telecommunications Limited (ORG-CNS3-RIPE)
- Reallocated range
- 31.
95. 48. 0/ 21 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Oct 24, 2025
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2025
- Current origin since
- Apr 2025 · 1.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.95.48.0/21 | AS5400 | /21 | RIPE | RPKI valid |
| 31.95.0.0/16 | AS5400 | /16 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5400 | RIPE | BT Global Fabric-BE-01 | CIP-MNT | Nov 14, 2024 |
Whois
Registration for this announcement
- Range
- 31.
95. 48. 0/ 21 - Netname
- BT_
AS5400_ CC32_ WB - Registrant
- British Telecommunications Limited
- Registrant country
- BE
- Organization
- British Telecommunications Limited (ORG-CNS3-RIPE)
- Org country
- GB
- Type
- SUB-ALLOCATED PA
- Created
- Oct 24, 2025
- Updated
- Feb 23, 2026
- Maintainer
- BT-GF-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Nov 25, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
eu. bt. net - Name
- Abuse-C Role
- Handle
- AR15037-RIPE