HomePrefix Lookup137.75.0.0/18

137.75.0.0/18

🇺🇸
IPv4ARINallocatedAS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration RPKI Valid
CIDR
137.75.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Boulder (South Boulder)
RIR
ARIN
Status
allocated
Allocated
11/7/1989

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
137.75.0.0/18AS2648NOAA-BOULDER - National Oceanic and Atmospheric Administration Valid
ARIN
5/30/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
137.75.0.0/18AS2648/18arin
137.75.0.0/18AS14041/18arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS2648ARINMNT-NOAA-7-Z3/27/2025
Origin ASN
AS2648
NOAA-BOULDER - National Oceanic and Atmospheric Administration
Geolocation
Country🇺🇸United StatesUS
RegionColorado
CityBoulder (South Boulder)
Coordinates39.9891, -105.2560 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/137.75.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/137.75.0.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP