HomePrefix Lookup137.75.0.0/16

137.75.0.0/16

πŸ‡ΊπŸ‡Έ
IPv4RIPEassigned RPKI Valid
CIDR
137.75.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
πŸ‡ΊπŸ‡Έ United States
City
Boulder (South Boulder)
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

23 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
137.75.128.0/18AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.0.0/18AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.64.0/18AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.192.0/19AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.240.0/20AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.232.0/21AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.88.0/21AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.228.0/22AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.108.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.112.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.116.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.80.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.96.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.100.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.76.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.72.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.224.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.68.0/22AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.124.0/22AS26100NOAA-PACIFIC-REGION-CENTER - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.106.0/24AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.120.0/24AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.82.0/24AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Validβ€”6/13/2026
137.75.122.0/24AS16550GOOGLE-PRIVATE-CLOUD - Google LLC Validβ€”6/13/2026

More Specific Prefixes

3
PrefixASCountryStatus
137.75.128.0/17πŸ‡ΊπŸ‡ΈUSallocated
137.75.0.0/18AS2648πŸ‡ΊπŸ‡ΈUSallocated
137.75.64.0/18AS3477πŸ‡ΊπŸ‡ΈUSallocated
Geolocation
CountryπŸ‡ΊπŸ‡ΈUnited StatesUS
RegionColorado
CityBoulder (South Boulder)
GEThttps://api.ipctl.io/v1/prefix/137.75.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/137.75.0.0/16" | jq