AS7018 206.81.88.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048206.81.88.0/24206.81.89.0/24206.81.90.0/24206.81.91.0/24206.81.92.0/24206.81.93.0/24206.81.94.0/24206.81.95.0/24