121.54.16.0/20
🇵ðŸ‡CIDR
121.54.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇵🇠Philippines
City
Makati City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.54.16.0/20 | AS10139SMARTBRO-PH-AP - Smart Broadband, Inc. | Valid | APNIC | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.54.0.0/17 | AS10139SMARTBRO-PH-AP - Smart Broadband, Inc. | Valid | — | 5/31/2026 |
| 121.54.16.0/21 | AS10139SMARTBRO-PH-AP - Smart Broadband, Inc. | Valid | — | 5/31/2026 |
| 121.54.28.0/22 | AS10139SMARTBRO-PH-AP - Smart Broadband, Inc. | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.54.0.0/17 | AS10139 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS10139 | APNIC | MAINT-PH-SMARTBRO | 6/19/2020 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.54.24.240/28 | 🇵ðŸ‡PH | assigned | |
| 121.54.22.192/29 | 🇵ðŸ‡PH | assigned |
Geolocation
Country🇵ðŸ‡PhilippinesPH
RegionNational Capital Region
CityMakati City
Coordinates14.5591, 121.0190 ↗
API
Open https://api.ipctl.io/v1/prefix/121.54.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.54.16.0/20" | jq
External Links