IPv4 prefix

137.66.48.0/20

IP Prefix (CIDR): 137.66.48.0/20
Subnet Mask: 255.255.240.0
Address Count: 4,096
IP Range: 137.66.48.0 - 137.66.63.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Fly.io, Inc.
Handle: FLYIO
Address: 2261 Market Street San Francisco CA 94114 United States
Registry: ARIN
Registered Prefix: 137.66.0.0/18 (137.66.0.0 - 137.66.63.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
137.66.48.0/20	Exact	AS40509	Fly.io Inc.	United States of America (US)	137.66.48.0	137.66.63.255