AS7018 207.243.112.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048207.243.112.0/24207.243.113.0/24207.243.114.0/24207.243.115.0/24207.243.116.0/24207.243.117.0/24207.243.118.0/24207.243.119.0/24