IPv4 prefix

66.72.0.0/15

IP Prefix (CIDR): 66.72.0.0/15
Subnet Mask: 255.254.0.0
Address Count: 131,072
IP Range: 66.72.0.0 - 66.73.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Chateau Communities
Handle: C00608222
Address: 2701 w. 15th plano TX 75053 United States
Registry: ARIN
Registered Prefix: 66.72.0.0/29 (66.72.0.0 - 66.72.0.7)
Delegated Prefix: 66.72.0.0/15 (66.72.0.0 - 66.73.255.255)

Registration 2 of 2

Owner: Cleveland Clinic Foundation
Handle: C00197917
Address: FRS Cleveland OH 99999 United States
Registry: ARIN
Registered Prefix: 66.73.24.0/24 (66.73.24.0 - 66.73.24.255)
Delegated Prefix: 66.72.0.0/15 (66.72.0.0 - 66.73.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
66.72.0.0/15	Exact	AS7018	AT&T Enterprises LLC	United States of America (US)	66.72.0.0	66.73.255.255
66.73.24.0/23	More specific	AS22093	Cleveland Clinic Foundation	United States of America (US)	66.73.24.0	66.73.25.255