AS7018 209.78.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096209.78.16.0/24209.78.17.0/24209.78.18.0/24209.78.19.0/24209.78.20.0/24209.78.21.0/24209.78.22.0/24209.78.23.0/24209.78.24.0/24209.78.25.0/24209.78.26.0/24209.78.27.0/24209.78.28.0/24209.78.29.0/24209.78.30.0/24209.78.31.0/24