Data as of Nov 3, 2026
43.231.0.0/24
No anonymizer space · no proxy exits in 30 daysLayerstack Limited · space held by Buildcloud 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 |
|---|---|---|---|---|---|---|
| 43.231.0.0/22 | 1,024 | BUILDCLOUD-HK | Buildcloud Limited (ORG-BL9-AP) · HK | ALLOCATED PORTABLE | — | [email protected] |
| └ 43.231.0.0/24 | 256 | BUILDCLOUD-HK | LAYERSTACK | ALLOCATED NON-PORTABLE | — | [email protected] |
Network & registry
Registry
Holder
- Organization
- Buildcloud Limited
- Handle
- ORG-BL9-AP
- Range
- 43.231.0.0/22
- Registration type
- ALLOCATED PORTABLE
- Reallocated to
- LAYERSTACK
- Reallocated range
- 43.231.0.0/24
- Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS133380
HK
- Name
- Layerstack Limited
- Type
- Hosting
- Registered
- Feb 18, 2014
- Domain
- layerstack.com
- Website
- www.layerstack.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2020
- Current origin since
- Oct 2020 · 6.1 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS133024 not the origin | RADB | XIMBO Internet Limited | MAINT-AS133380 | Nov 13, 2023 |
| AS133380 | RADB | Layerstack Ltd | MAINT-AS133380 | Nov 13, 2023 |
| AS133380 | NTTCOM | Layerstack Limited | MAINT-EQUINIXPAC | Aug 28, 2021 |
| AS133905 not the origin | RADB | Layerstack Ltd | MAINT-AS133380 | Nov 13, 2023 |
| AS139006 not the origin | NTTCOM | Layerstack Limited | MAINT-EQUINIXPAC | Aug 28, 2021 |
Whois
Registration for this announcement
- Range
- 43.231.0.0/24
- Netname
- BUILDCLOUD-HK
- Registrant
- LAYERSTACK
- Registrant country
- HK
- Organization
- LAYERSTACK
- Org country
- HK
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 31, 2025
- Maintainer
- MAINT-BUILDCLOUD-HK
- RIR
- APNIC
- Country
- HK
- Delegated
- Feb 12, 2015
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE BUILDCLOUDHK
- Handle
- AB1355-AP