IPv4 prefix

72.157.4.0/23

IP Prefix (CIDR): 72.157.4.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 72.157.4.0 - 72.157.5.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: EARS Loopback 1 - SDF
Handle: C02412685
Address: 575 Morosgo Dr. NE Atlanta GA 30324 United States
Registry: ARIN
Registered Prefix: 72.157.4.0/23 (72.157.4.0 - 72.157.5.255)
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
72.157.4.0/23	Exact	AS7018	AT&T Enterprises LLC	United States of America (US)	72.157.4.0	72.157.5.255