137.189.0.0/16
ðŸ‡ðŸ‡°CIDR
137.189.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
ðŸ‡ðŸ‡° Hong Kong
City
Ma Liu Shui
RIR
APNIC
Status
allocated
Allocated
12/18/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.189.0.0/16 | AS3661ERX-CUHKNET - The Chinese University of Hong Kong | No ROA | APNICRADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.189.162.0/24 | AS3661ERX-CUHKNET - The Chinese University of Hong Kong | No ROA | — | 6/1/2026 |
| 137.189.196.0/24 | AS3661ERX-CUHKNET - The Chinese University of Hong Kong | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/137.189.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.189.0.0/16" | jq
External Links