AS20688 146.120.0.0/21 CIDR and IP Range Summary.ASN: 20688 - Chudo Telecom Ltd.Host Count: 2046Addressable IPs: 2048146.120.0.0/24146.120.1.0/24146.120.2.0/24146.120.3.0/24146.120.4.0/24146.120.5.0/24146.120.6.0/24146.120.7.0/24