AS7018 156.249.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048156.249.48.0/24156.249.49.0/24156.249.50.0/24156.249.51.0/24156.249.52.0/24156.249.53.0/24156.249.54.0/24156.249.55.0/24