AS7018 74.170.192.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.170.192.0/2474.170.193.0/2474.170.194.0/2474.170.195.0/2474.170.196.0/2474.170.197.0/2474.170.198.0/2474.170.199.0/2474.170.200.0/2474.170.201.0/2474.170.202.0/2474.170.203.0/2474.170.204.0/2474.170.205.0/2474.170.206.0/2474.170.207.0/24