AS7018 12.17.112.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.17.112.0/2412.17.113.0/2412.17.114.0/2412.17.115.0/2412.17.116.0/2412.17.117.0/2412.17.118.0/2412.17.119.0/2412.17.120.0/2412.17.121.0/2412.17.122.0/2412.17.123.0/2412.17.124.0/2412.17.125.0/2412.17.126.0/2412.17.127.0/24