AS7018 165.87.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048165.87.56.0/24165.87.57.0/24165.87.58.0/24165.87.59.0/24165.87.60.0/24165.87.61.0/24165.87.62.0/24165.87.63.0/24