AS7018 12.129.232.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.129.232.0/2412.129.233.0/2412.129.234.0/2412.129.235.0/2412.129.236.0/2412.129.237.0/2412.129.238.0/2412.129.239.0/24