Data as of Nov 10, 2026
203.187.131.136/29
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by Infonet Services Corporation
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.187.128.0/19 since Apr 2006 | AS3300 | Residential | 3 | Infonet Services Corporation |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.187.128.0/19 | 8,192 | INFONET-AP-02 | Infonet Services Corporation (ORG-ISC1-AP) · US | ALLOCATED PORTABLE | — | abuse@ |
| └ 203.187.131.0/24 | 256 | BT-GIA-SGP-12 | unknown | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 203.187.131.136/29 | 8 | TD-BANK-FINANCIAL-GROUP | unknown | ASSIGNED NON-PORTABLE | — | abuse@ |
Network & registry
Announced by
Covering announcement 203.187.128.0/22
- Prefix
- 203.187.128.0/22
- 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
Covering aggregate above, the prefix's own history below
203.187.128.0/22
Routing history
- Pattern
- Stable
- First seen
- May 2021
- Current origin since
- May 2021 · 5.5 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 |
IRR
Route objects on 203.187.128.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3300 | APNIC | Infonet Services Corporation | MAINT-AP-INFONET | Jun 9, 2022 |
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