AS7018 12.22.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.22.56.0/2412.22.57.0/2412.22.58.0/2412.22.59.0/2412.22.60.0/2412.22.61.0/2412.22.62.0/2412.22.63.0/24