IPv4 prefix

137.78.0.0/16

IP Prefix (CIDR)

137.78.0.0/16

Subnet Mask

255.255.0.0

Address Count

65,536

IP Range

137.78.0.0 - 137.78.255.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

National Aeronautics and Space Administration

Handle

NASA-Z

Address

IS05/Office of the Chief Information Officer MSFC AL 35812 United States

Registry

ARIN

Registered Prefix

137.78.0.0/16 (137.78.0.0 - 137.78.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
137.78.0.0/15	Covering	AS127	Jet Propulsion Laboratory	United States of America (US)	137.78.0.0	137.79.255.255