AS7018 63.197.224.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409663.197.224.0/2463.197.225.0/2463.197.226.0/2463.197.227.0/2463.197.228.0/2463.197.229.0/2463.197.230.0/2463.197.231.0/2463.197.232.0/2463.197.233.0/2463.197.234.0/2463.197.235.0/2463.197.236.0/2463.197.237.0/2463.197.238.0/2463.197.239.0/24