AS7018 68.72.80.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.72.80.0/2468.72.81.0/2468.72.82.0/2468.72.83.0/2468.72.84.0/2468.72.85.0/2468.72.86.0/2468.72.87.0/2468.72.88.0/2468.72.89.0/2468.72.90.0/2468.72.91.0/2468.72.92.0/2468.72.93.0/2468.72.94.0/2468.72.95.0/24