Data as of Nov 10, 2026
203.187.136.0/22
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by Infonet Services Corporation
Network & registry
Announced by
Covering announcement 203.187.128.0/19
- Prefix
- 203.187.128.0/19
- Announced by
- AS3300 British Telecommunications Limited
- Type
- Residential
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- INFONET-AP-02
- Registrant
- Infonet Services Corporation
- RIR
- APNIC
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 203.187.128.0/19
203.187.128.0/19
Routing history
- Pattern
- Stable
- First seen
- Apr 2006
- Current origin since
- Apr 2006 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.187.128.0/19 | AS3300 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
187. 128. 0/ 19 - Netname
- INFONET-AP-02
- Registrant
- Infonet Services Corporation
- Registrant country
- US
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- US
- Delegated
- Mar 29, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
eu. bt. net - Name
- ABUSE INFONETAP
- Handle
- AI330-AP