AS7018 12.121.112.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.121.112.0/2412.121.113.0/2412.121.114.0/2412.121.115.0/2412.121.116.0/2412.121.117.0/2412.121.118.0/2412.121.119.0/24