AS7018 216.103.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096216.103.16.0/24216.103.17.0/24216.103.18.0/24216.103.19.0/24216.103.20.0/24216.103.21.0/24216.103.22.0/24216.103.23.0/24216.103.24.0/24216.103.25.0/24216.103.26.0/24216.103.27.0/24216.103.28.0/24216.103.29.0/24216.103.30.0/24216.103.31.0/24