AS7018 149.51.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048149.51.128.0/24149.51.129.0/24149.51.130.0/24149.51.131.0/24149.51.132.0/24149.51.133.0/24149.51.134.0/24149.51.135.0/24