AS7018 12.20.112.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.20.112.0/2412.20.113.0/2412.20.114.0/2412.20.115.0/2412.20.116.0/2412.20.117.0/2412.20.118.0/2412.20.119.0/24