HomePrefix Lookup140.172.0.0/16

140.172.0.0/16

🇺🇸
IPv4ARINallocatedAS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration RPKI Valid
CIDR
140.172.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Boulder
RIR
ARIN
Status
allocated
Allocated
5/8/1990

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
140.172.0.0/16AS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration Valid
ARIN
6/1/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
140.172.0.0/16AS3477/16arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS3477ARINMNT-NOAABO-Z5/12/2025
Origin ASN
AS3477
NOAA-NWAVE - National Oceanic and Atmospheric Administration
Geolocation
Country🇺🇸United StatesUS
RegionColorado
CityBoulder
Coordinates39.9932, -105.2590 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/140.172.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/140.172.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP