AS7018 68.16.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.16.144.0/2468.16.145.0/2468.16.146.0/2468.16.147.0/2468.16.148.0/2468.16.149.0/2468.16.150.0/2468.16.151.0/2468.16.152.0/2468.16.153.0/2468.16.154.0/2468.16.155.0/2468.16.156.0/2468.16.157.0/2468.16.158.0/2468.16.159.0/24