HomePrefix Lookup151.121.0.0/16

151.121.0.0/16

🇺🇸
IPv4ARINallocatedAS4155USDA-1 - USDANo ROA
CIDR
151.121.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Fort Collins
RIR
ARIN
Status
allocated
Allocated
6/11/1991

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
151.121.0.0/16AS4155USDA-1 - USDANo ROA—5/30/2026
Origin ASN
AS4155
USDA-1 - USDA
Geolocation
Country🇺🇸United StatesUS
RegionColorado
CityFort Collins
Coordinates40.5591, -105.0810 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/151.121.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/151.121.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP