AS7018 12.206.200.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.206.200.0/2412.206.201.0/2412.206.202.0/2412.206.203.0/2412.206.204.0/2412.206.205.0/2412.206.206.0/2412.206.207.0/24