AS7018 12.5.168.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.5.168.0/2412.5.169.0/2412.5.170.0/2412.5.171.0/2412.5.172.0/2412.5.173.0/2412.5.174.0/2412.5.175.0/24