203.1.22.0/23
🇸🇬CIDR
203.1.22.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇸🇬 Singapore
City
Woodlands
RIR
APNIC
Status
assigned
Allocated
10/13/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.1.22.0/23 | AS137991LIFEWAY-AS-AP - Lifeway Singapore Pte. Ltd. | Valid | APNICRADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.1.22.0/24 | AS137991LIFEWAY-AS-AP - Lifeway Singapore Pte. Ltd. | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.1.22.0/23 | AS137991 | /23 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.1.22.0/24 | AS137991 | 🇸🇬SG | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.1.22.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.1.22.0/23" | jq
External Links