121.200.242.0/23
🇸🇬CIDR
121.200.242.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇸🇬 Singapore
City
Singapore (Hougang)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.200.242.0/23 | AS4628PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | Valid | APNIC | 6/13/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.200.240.0/20 | AS4628PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | Valid | — | 6/13/2026 |
| 121.200.242.0/24 | AS4628PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | Valid | — | 6/13/2026 |
| 121.200.243.0/24 | AS4628PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | Valid | — | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.200.240.0/20 | AS4628 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4628 | APNIC | MAINT-SG-PACIFIC | 3/26/2019 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.200.243.0/24 | AS4628 | 🇸🇬SG | assigned |
| 121.200.242.0/24 | AS4628 | 🇸🇬SG | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.200.242.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.200.242.0/23" | jq
External Links