AS7018 149.51.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048149.51.40.0/24149.51.41.0/24149.51.42.0/24149.51.43.0/24149.51.44.0/24149.51.45.0/24149.51.46.0/24149.51.47.0/24