AS7018 12.177.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.177.56.0/2412.177.57.0/2412.177.58.0/2412.177.59.0/2412.177.60.0/2412.177.61.0/2412.177.62.0/2412.177.63.0/24