AS7018 12.28.112.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.28.112.0/2412.28.113.0/2412.28.114.0/2412.28.115.0/2412.28.116.0/2412.28.117.0/2412.28.118.0/2412.28.119.0/24