AS7018 206.171.192.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096206.171.192.0/24206.171.193.0/24206.171.194.0/24206.171.195.0/24206.171.196.0/24206.171.197.0/24206.171.198.0/24206.171.199.0/24206.171.200.0/24206.171.201.0/24206.171.202.0/24206.171.203.0/24206.171.204.0/24206.171.205.0/24206.171.206.0/24206.171.207.0/24