AS7018 71.158.104.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204871.158.104.0/2471.158.105.0/2471.158.106.0/2471.158.107.0/2471.158.108.0/2471.158.109.0/2471.158.110.0/2471.158.111.0/24