154.81.144.0/21
🇸🇬CIDR
154.81.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇸🇬 Singapore
City
Sembawang Estate
RIR
AFRINIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 154.81.144.0/21 | AS135600WHIZCOMMS-AS-AP - Whiz Communications Pte Ltd | Valid | RADB | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 154.81.0.0/16 | AS35916MULTA-ASN1 - MULTACOM CORPORATION | No ROA | — | 6/1/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS135600 | RADB | MAINT-LARUS | 5/14/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 154.81.146.0/24 | 🇸🇬SG | assigned | |
| 154.81.148.0/24 | 🇸🇬SG | assigned | |
| 154.81.150.0/24 | 🇸🇬SG | assigned | |
| 154.81.151.0/24 | 🇸🇬SG | assigned | |
| 154.81.144.0/24 | 🇸🇬SG | assigned | |
| 154.81.145.0/24 | 🇸🇬SG | assigned | |
| 154.81.147.0/24 | 🇸🇬SG | assigned | |
| 154.81.149.0/24 | 🇸🇬SG | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/154.81.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/154.81.144.0/21" | jq
External Links