191.43.0.0/16 - (AS150436)
CIDR
191.43.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇸🇬 Singapore
City
Singapore (Downtown Core)
RIR
APNIC
Status
allocated
Allocated
2025-02-20
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 191.43.0.0/17 | 🇸🇬SG | assigned | |
| 191.43.128.0/18 | 🇸🇬SG | assigned | |
| 191.43.192.0/19 | 🇸🇬SG | assigned | |
| 191.43.224.0/20 | 🇸🇬SG | assigned | |
| 191.43.240.0/21 | 🇸🇬SG | assigned | |
| 191.43.248.0/22 | 🇸🇬SG | assigned | |
| 191.43.252.0/23 | 🇸🇬SG | assigned | |
| 191.43.254.0/24 | 🇸🇬SG | assigned | |
| 191.43.255.0/25 | 🇸🇬SG | assigned | |
| 191.43.255.128/26 | 🇸🇬SG | assigned | |
| 191.43.255.192/27 | 🇸🇬SG | assigned | |
| 191.43.255.224/28 | 🇸🇬SG | assigned | |
| 191.43.255.240/29 | 🇸🇬SG | assigned | |
| 191.43.255.248/30 | 🇸🇬SG | assigned | |
| 191.43.255.252/31 | 🇸🇬SG | assigned | |
| 191.43.255.254/32 | 🇸🇬SG | assigned |
Transfer History
Registry transfers of 191.43.0.0/16, blocks inside it, or blocks containing it.
- 191.43.0.0/16inter-RIRTransfer ·
- 191.43.0.0/16inter-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/191.43.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/191.43.0.0/16" | jq
External Links