AS7018 192.215.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048192.215.48.0/24192.215.49.0/24192.215.50.0/24192.215.51.0/24192.215.52.0/24192.215.53.0/24192.215.54.0/24192.215.55.0/24