202.21.158.0/23
🇸🇬IPv4APNICassignedAS23728REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS SingaporeNo ROA
CIDR
202.21.158.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇸🇬 Singapore
City
Singapore (Woodlands)
RIR
APNIC
Status
assigned
Allocated
4/29/2003
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.21.158.0/23 | AS23728REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS Singapore | No ROA | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.21.158.0/24 | AS23728REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS Singapore | No ROA | — | 5/31/2026 |
| 202.21.159.0/24 | AS23728REPUBLICPOLYTECHNIC-AS - Republic Polytechnic. Multihoming AS Singapore | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS23728 | RADB | MAINT-AS4637 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/202.21.158.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.21.158.0/23" | jq
External Links