AS10139 121.1.32.0/20 CIDR and IP Range Summary.ASN: 10139 - Smart Broadband Inc.Host Count: 4094Addressable IPs: 4096121.1.32.0/24121.1.33.0/24121.1.34.0/24121.1.35.0/24121.1.36.0/24121.1.37.0/24121.1.38.0/24121.1.39.0/24121.1.40.0/24121.1.41.0/24121.1.42.0/24121.1.43.0/24121.1.44.0/24121.1.45.0/24121.1.46.0/24121.1.47.0/24