AS131929 133.247.224.0/21 CIDR and IP Range Summary.ASN: 131929 - Yamanashi Catv Co . LtdHost Count: 2046Addressable IPs: 2048133.247.224.0/24133.247.225.0/24133.247.226.0/24133.247.227.0/24133.247.228.0/24133.247.229.0/24133.247.230.0/24133.247.231.0/24