164.78.0.0/16
🇸🇬CIDR
164.78.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇸🇬 Singapore
City
Singapore (Queenstown Estate)
RIR
APNIC
Status
allocated
Allocated
12/23/1992
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 164.78.0.0/16 | AS45133Singapore-Polytechnic-AS-AP - Singapore Polytechnic | No ROA | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 164.78.248.0/24 | AS45133Singapore-Polytechnic-AS-AP - Singapore Polytechnic | No ROA | — | 5/30/2026 |
| 164.78.252.0/24 | AS45133Singapore-Polytechnic-AS-AP - Singapore Polytechnic | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS45133 | RADB | MAINT-AS4637 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/164.78.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/164.78.0.0/16" | jq
External Links