AS7018 199.107.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096199.107.144.0/24199.107.145.0/24199.107.146.0/24199.107.147.0/24199.107.148.0/24199.107.149.0/24199.107.150.0/24199.107.151.0/24199.107.152.0/24199.107.153.0/24199.107.154.0/24199.107.155.0/24199.107.156.0/24199.107.157.0/24199.107.158.0/24199.107.159.0/24