AS7018 74.171.96.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.171.96.0/2474.171.97.0/2474.171.98.0/2474.171.99.0/2474.171.100.0/2474.171.101.0/2474.171.102.0/2474.171.103.0/2474.171.104.0/2474.171.105.0/2474.171.106.0/2474.171.107.0/2474.171.108.0/2474.171.109.0/2474.171.110.0/2474.171.111.0/24