IPv4 prefix

64.143.192.0/19

IP Prefix (CIDR): 64.143.192.0/19
Subnet Mask: 255.255.224.0
Address Count: 8,192
IP Range: 64.143.192.0 - 64.143.223.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: AT&T Enterprises, LLC
Handle: AEL-360
Address: 208 S. Akard St. Dallas TX 75202 United States
Registry: ARIN
Registered Prefix: 64.143.0.0/16 (64.143.0.0 - 64.143.255.255)

Registration 2 of 2

Owner: Dallas Enhanced/Managed Web Hosting Services
Handle: C01154495
Address: Private Address Dallas TX 75234 United States
Registry: ARIN
Registered Prefix: 64.143.192.0/21 (64.143.192.0 - 64.143.199.255)
Delegated Prefix: 64.143.0.0/16 (64.143.0.0 - 64.143.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
64.143.192.0/19	Exact	AS7018	AT&T Enterprises LLC	United States of America (US)	64.143.192.0	64.143.223.255