AS7018 12.42.112.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.42.112.0/2412.42.113.0/2412.42.114.0/2412.42.115.0/2412.42.116.0/2412.42.117.0/2412.42.118.0/2412.42.119.0/24