IPv4 prefix

64.105.136.0/21

IP Prefix (CIDR): 64.105.136.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 64.105.136.0 - 64.105.143.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: IPNetZone
Handle: IPNET-1
Address: 7900 Tysons One Place McLean VA 22102 United States
Registry: ARIN
Registered Prefix: 64.105.136.0/21 (64.105.136.0 - 64.105.143.255)
Delegated Prefix: 64.105.0.0/16 (64.105.0.0 - 64.105.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
64.105.136.0/21	Exact	AS7459	Grande Communications Networks LLC	United States of America (US)	64.105.136.0	64.105.143.255