HomePrefix Lookup172.103.72.0/21

172.103.72.0/21

🇺🇸
IPv4ARINallocatedAS395922GCET-GREENFIELD-MA - GCETNo ROA
CIDR
172.103.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Greenfield
RIR
ARIN
Status
allocated
Allocated
7/14/2017

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
172.103.72.0/21AS395922GCET-GREENFIELD-MA - GCETNo ROA—5/31/2026
Origin ASN
AS395922
GCET-GREENFIELD-MA - GCET
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityGreenfield
Coordinates42.5875, -72.6013 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/172.103.72.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/172.103.72.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP