Data as of Nov 10, 2026
143.223.132.0/24
Anonymizer · ISP proxyBritish Telecommunications Limited · space held by Eastlink
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · listed by providers
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 143.223.132.0/24 | /24s |
|---|---|---|
| Eastlink | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
143.223.132.0/24
From the registry to its use
- Mar 26, 2025Registry recordEastlinkDirect Allocation143.223.132.0/23
- May 1, 2025AssignedBritish Telecommunications PLCReassigned143.223.132.0/24
- May 20, 2025Route objectAS2856 British Telecommunications LimitedARIN route object for AS2856 British Telecommunications Limited, maintainer MNT-SV-197
- Jun 5, 2025– Nov 9, 2026
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 |
|---|---|---|---|---|---|---|
| 143.223.132.0/23 | 512 | SPECTRUM-BT | Eastlink (SV-197) · CA | Direct Allocation | Mar 26, 2025 | noc@ |
| └ 143.223.132.0/24 | 256 | BRITISH-TELECOM | British Telecommunications PLC (C11191878) · GB | Reassigned | May 1, 2025 | noc@ via SPECTRUM-BT |
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
IPv4 market
Holder
- Organization
- Eastlink
- Handle
- SV-197
- Range
- 143.
223. 132. 0/ 23 - Registration type
- Direct Allocation
- Record created
- Mar 26, 2025
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2856 | ARIN | BTUK | MNT-SV-197 | Feb 5, 2026 |
Whois
Registration for this announcement
- Range
- 143.
223. 132. 0/ 24 - Netname
- BRITISH-TELECOM
- Registrant
- British Telecommunications PLC
- Organization
- British Telecommunications PLC (C11191878)
- Type
- Reassigned
- Handle
- NET-143-223-132-0-2
- Parent
- NET-143-223-132-0-1
- Created
- May 1, 2025
- RIR
- ARIN
- Country
- CA
- Delegated
- Mar 26, 2025
- Status
- assigned
Report abuse
Abuse contact
- noc@
nortel. net - Name
- IPAM
- Phone
- +1-416-778-7765
- Handle
- IPAM1-ARIN