131.142.0.0/16
🇺🇸CIDR
131.142.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Cambridge (Neighborhood Nine)
RIR
ARIN
Status
allocated
Allocated
11/21/1988
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.142.0.0/16 | AS1742HARVARD-UNIV - Harvard University | No ROA | RADB | 5/31/2026 |
Origin ASN
AS1742
HARVARD-UNIV - Harvard University
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityCambridge (Neighborhood Nine)
Coordinates42.3815, -71.1282 ↗
API
Open https://api.ipctl.io/v1/prefix/131.142.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.142.0.0/16" | jq
External Links