AS7018 216.100.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096216.100.144.0/24216.100.145.0/24216.100.146.0/24216.100.147.0/24216.100.148.0/24216.100.149.0/24216.100.150.0/24216.100.151.0/24216.100.152.0/24216.100.153.0/24216.100.154.0/24216.100.155.0/24216.100.156.0/24216.100.157.0/24216.100.158.0/24216.100.159.0/24