AS7018 12.131.192.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.131.192.0/2412.131.193.0/2412.131.194.0/2412.131.195.0/2412.131.196.0/2412.131.197.0/2412.131.198.0/2412.131.199.0/2412.131.200.0/2412.131.201.0/2412.131.202.0/2412.131.203.0/2412.131.204.0/2412.131.205.0/2412.131.206.0/2412.131.207.0/24