IPv4 prefix

208.63.128.0/20

IP Prefix (CIDR): 208.63.128.0/20
Subnet Mask: 255.255.240.0
Address Count: 4,096
IP Range: 208.63.128.0 - 208.63.143.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: STATE OF TENNESSEE-NETTN
Handle: ST-1700
Address: 333 Commerce Street Nashville TN 37201 United States
Registry: ARIN
Registered Prefix: 208.63.128.0/20 (208.63.128.0 - 208.63.143.255)
Delegated Prefix: 208.60.0.0/14 (208.60.0.0 - 208.63.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
208.63.128.0/20	Exact	AS19957	AT&T Enterprises LLC	United States of America (US)	208.63.128.0	208.63.143.255