AS7018 68.157.176.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.157.176.0/2468.157.177.0/2468.157.178.0/2468.157.179.0/2468.157.180.0/2468.157.181.0/2468.157.182.0/2468.157.183.0/2468.157.184.0/2468.157.185.0/2468.157.186.0/2468.157.187.0/2468.157.188.0/2468.157.189.0/2468.157.190.0/2468.157.191.0/24