164.42.0.0/16
🇵🇷CIDR
164.42.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇵🇷 Puerto Rico
City
San Juan
RIR
ARIN
Status
allocated
Allocated
10/27/1992
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 164.42.0.0/16 | AS16649IUPR-AS - Interamerican University of Puerto Rico | No ROA | RADB | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/164.42.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/164.42.0.0/16" | jq
External Links