AS7018 12.29.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.29.216.0/2412.29.217.0/2412.29.218.0/2412.29.219.0/2412.29.220.0/2412.29.221.0/2412.29.222.0/2412.29.223.0/24