AS7018 216.63.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096216.63.16.0/24216.63.17.0/24216.63.18.0/24216.63.19.0/24216.63.20.0/24216.63.21.0/24216.63.22.0/24216.63.23.0/24216.63.24.0/24216.63.25.0/24216.63.26.0/24216.63.27.0/24216.63.28.0/24216.63.29.0/24216.63.30.0/24216.63.31.0/24