AS7018 64.172.64.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819264.172.64.0/2464.172.65.0/2464.172.66.0/2464.172.67.0/2464.172.68.0/2464.172.69.0/2464.172.70.0/2464.172.71.0/2464.172.72.0/2464.172.73.0/2464.172.74.0/2464.172.75.0/2464.172.76.0/2464.172.77.0/2464.172.78.0/2464.172.79.0/2464.172.80.0/2464.172.81.0/2464.172.82.0/2464.172.83.0/2464.172.84.0/2464.172.85.0/2464.172.86.0/2464.172.87.0/2464.172.88.0/2464.172.89.0/2464.172.90.0/2464.172.91.0/2464.172.92.0/2464.172.93.0/2464.172.94.0/2464.172.95.0/24