AS7018 68.91.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.91.48.0/2468.91.49.0/2468.91.50.0/2468.91.51.0/2468.91.52.0/2468.91.53.0/2468.91.54.0/2468.91.55.0/2468.91.56.0/2468.91.57.0/2468.91.58.0/2468.91.59.0/2468.91.60.0/2468.91.61.0/2468.91.62.0/2468.91.63.0/24