IPv4 prefix

65.81.0.0/16

IP Prefix (CIDR)

65.81.0.0/16

Subnet Mask

255.255.0.0

Address Count

65,536

IP Range

65.81.0.0 - 65.81.255.255

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

65.81.0.0/16 (65.81.0.0 - 65.81.255.255)

Delegated Prefix

65.82.0.0/15 (65.82.0.0 - 65.83.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
65.81.0.0/16	Exact	AS6389	AT&T Enterprises LLC	United States of America (US)	65.81.0.0	65.81.255.255