155.52.0.0/16
🇺🇸CIDR
155.52.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Boston (Longwood Medical and Academic Area)
RIR
ARIN
Status
allocated
Allocated
3/25/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 155.52.0.0/16 | AS40831PHS - Mass General Brigham Incorporated | No ROA | RADB | 5/30/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityBoston (Longwood Medical and Academic Area)
Coordinates42.3377, -71.1073 ↗
API
Open https://api.ipctl.io/v1/prefix/155.52.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/155.52.0.0/16" | jq
External Links