AS7018 74.183.80.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.183.80.0/2474.183.81.0/2474.183.82.0/2474.183.83.0/2474.183.84.0/2474.183.85.0/2474.183.86.0/2474.183.87.0/2474.183.88.0/2474.183.89.0/2474.183.90.0/2474.183.91.0/2474.183.92.0/2474.183.93.0/2474.183.94.0/2474.183.95.0/24