AS7018 12.133.112.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.133.112.0/2412.133.113.0/2412.133.114.0/2412.133.115.0/2412.133.116.0/2412.133.117.0/2412.133.118.0/2412.133.119.0/24