IPv4 prefix

6.4.0.0/16

IP Prefix (CIDR): 6.4.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 6.4.0.0 - 6.4.255.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Headquarters, USAISC
Handle: HEADQU-3
Address: NETC-ANC CONUS TNOSC Fort Huachuca AZ 85613 United States
Registry: ARIN
Registered Prefix: 6.0.0.0/8 (6.0.0.0 - 6.255.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
6.4.0.0/16	Exact	AS668	United States Department of Defense (DoD)	United States of America (US)	6.4.0.0	6.4.255.255