187.42.128.0/18 - (AS150436)
CIDR
187.42.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇸🇬 Singapore
City
Singapore (Downtown Core)
RIR
APNIC
Status
allocated
Allocated
2025-02-20
Transfer History
Registry transfers of 187.42.128.0/18, blocks inside it, or blocks containing it.
- 187.42.128.0/18inter-RIRTransfer ·
- 187.42.0.0/16inter-RIRTransfer ·
Origin ASN
AS150436
Related Prefixes
More prefixes of AS150436
All prefixes of AS150436 →Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/187.42.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/187.42.128.0/18" | jq
External Links