IPv4 prefix

6.3.0.0/17

IP Prefix (CIDR): 6.3.0.0/17
Subnet Mask: 255.255.128.0
Address Count: 32,768
IP Range: 6.3.0.0 - 6.3.127.255
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
6.3.0.0/17	Exact	AS668	United States Department of Defense (DoD)	United States of America (US)	6.3.0.0	6.3.127.255