AS7018 68.16.240.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.16.240.0/2468.16.241.0/2468.16.242.0/2468.16.243.0/2468.16.244.0/2468.16.245.0/2468.16.246.0/2468.16.247.0/2468.16.248.0/2468.16.249.0/2468.16.250.0/2468.16.251.0/2468.16.252.0/2468.16.253.0/2468.16.254.0/2468.16.255.0/24