AS7018 68.90.80.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.90.80.0/2468.90.81.0/2468.90.82.0/2468.90.83.0/2468.90.84.0/2468.90.85.0/2468.90.86.0/2468.90.87.0/2468.90.88.0/2468.90.89.0/2468.90.90.0/2468.90.91.0/2468.90.92.0/2468.90.93.0/2468.90.94.0/2468.90.95.0/24