AS7018 68.255.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.255.144.0/2468.255.145.0/2468.255.146.0/2468.255.147.0/2468.255.148.0/2468.255.149.0/2468.255.150.0/2468.255.151.0/2468.255.152.0/2468.255.153.0/2468.255.154.0/2468.255.155.0/2468.255.156.0/2468.255.157.0/2468.255.158.0/2468.255.159.0/24