Data as of Nov 6, 2026
204.52.187.0/24
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by KANTAR
Network & registry
Origin network
AS3300
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Oct 28, 1994
- 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
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 2023 · 3.2 yr
- Origin networks
- 3
- Last change of origin
- Sep 2023
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 204.
52. 187. 0 - 204. 52. 188. 255 - Netname
- NETBLK-KANTAR
- Registrant
- KANTAR
- Organization
- KANTAR (KL-251)
- Org address
- 3411 SILVERSIDE ROAD TATNALL BUILDING STE 104, WILMINGTON, DE, 19810
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-52-187-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jul 7, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 7, 1994
- Status
- assigned
Report abuse
Abuse contact
- filipe.
monteiro@ kantar. com - Name
- Kantar networks
- Phone
- +4402086014499
- Handle
- KANTA10-ARIN