AS7018 74.236.192.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.236.192.0/2474.236.193.0/2474.236.194.0/2474.236.195.0/2474.236.196.0/2474.236.197.0/2474.236.198.0/2474.236.199.0/2474.236.200.0/2474.236.201.0/2474.236.202.0/2474.236.203.0/2474.236.204.0/2474.236.205.0/2474.236.206.0/2474.236.207.0/24