IPv4 prefix

64.252.240.0/21

IP Prefix (CIDR): 64.252.240.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 64.252.240.0 - 64.252.247.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: AT&T Enterprises, LLC
Handle: AEL-360
Address: 208 S. Akard St. Dallas TX 75202 United States
Registry: ARIN
Registered Prefix: 64.252.192.0/18 (64.252.192.0 - 64.252.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
64.252.240.0/21	Exact	AS20442	Yale-New Haven Health Services Corporation	United States of America (US)	64.252.240.0	64.252.247.255