IPv4 prefix

72.157.240.0/20

IP Prefix (CIDR): 72.157.240.0/20
Subnet Mask: 255.255.240.0
Address Count: 4,096
IP Range: 72.157.240.0 - 72.157.255.255
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: 72.156.0.0/14 (72.156.0.0 - 72.159.255.255)

Registration 2 of 2

Owner: BMF BPRG Equipment BRIC - BHM
Handle: C02412796
Address: 575 Morosgo Dr. NE Atlanta GA 30324 United States
Registry: ARIN
Registered Prefix: 72.157.240.0/21 (72.157.240.0 - 72.157.247.255)
Delegated Prefix: 72.156.0.0/14 (72.156.0.0 - 72.159.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
72.157.240.0/20	Exact	AS11712	AT&T Services Inc.	United States of America (US)	72.157.240.0	72.157.255.255