AS7018 12.172.80.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.172.80.0/2412.172.81.0/2412.172.82.0/2412.172.83.0/2412.172.84.0/2412.172.85.0/2412.172.86.0/2412.172.87.0/2412.172.88.0/2412.172.89.0/2412.172.90.0/2412.172.91.0/2412.172.92.0/2412.172.93.0/2412.172.94.0/2412.172.95.0/24