AS7018 71.158.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409671.158.144.0/2471.158.145.0/2471.158.146.0/2471.158.147.0/2471.158.148.0/2471.158.149.0/2471.158.150.0/2471.158.151.0/2471.158.152.0/2471.158.153.0/2471.158.154.0/2471.158.155.0/2471.158.156.0/2471.158.157.0/2471.158.158.0/2471.158.159.0/24