AS7018 68.91.240.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.91.240.0/2468.91.241.0/2468.91.242.0/2468.91.243.0/2468.91.244.0/2468.91.245.0/2468.91.246.0/2468.91.247.0/2468.91.248.0/2468.91.249.0/2468.91.250.0/2468.91.251.0/2468.91.252.0/2468.91.253.0/2468.91.254.0/2468.91.255.0/24