103.166.144.0/21
🇸🇬IPv4RIPEassigned RPKI Valid
CIDR
103.166.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇸🇬 Singapore
City
Singapore (Bishan)
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.166.146.0/24 | AS2764AAPT - AAPT Limited | Valid | — | 6/13/2026 |
| 103.166.146.0/24 | AS7545TPG-INTERNET-AP - TPG Telecom Limited | Invalid | — | 6/13/2026 |
| 103.166.147.0/24 | AS141951IDNIC-POLTEKTEGAL-AS-ID - Politeknik Harapan Bersama Tegal | No ROA | — | 6/13/2026 |
| 103.166.144.0/24 | AS142119NEX-AS-AP - NEX CORPORATEIT PTE LTD | No ROA | — | 6/13/2026 |
| 103.166.151.0/24 | AS142120MCSOL-AS-AP - McSOL Pvt Ltd | Valid | — | 6/13/2026 |
| 103.166.150.0/24 | AS142120MCSOL-AS-AP - McSOL Pvt Ltd | Valid | — | 6/13/2026 |
| 103.166.148.0/24 | AS142125CAPTI-AS-AP - Capti Networks Pty Ltd | Valid | — | 6/13/2026 |
| 103.166.149.0/24 | AS142125CAPTI-AS-AP - Capti Networks Pty Ltd | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.166.148.0/23 | AS142125 | 🇦🇺AU | allocated |
| 103.166.150.0/23 | AS142120 | 🇵🇰PK | allocated |
| 103.166.145.0/24 | available | ||
| 103.166.144.0/24 | AS142119 | 🇸🇬SG | allocated |
| 103.166.146.0/24 | AS7545 | 🇦🇺AU | assigned |
| 103.166.147.0/24 | AS141951 | 🇮🇩ID | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.166.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.166.144.0/21" | jq
External Links