AS7018 12.222.16.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.222.16.0/2412.222.17.0/2412.222.18.0/2412.222.19.0/2412.222.20.0/2412.222.21.0/2412.222.22.0/2412.222.23.0/24