AS4134 58.221.72.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 204858.221.72.0/2458.221.73.0/2458.221.74.0/2458.221.75.0/2458.221.76.0/2458.221.77.0/2458.221.78.0/2458.221.79.0/24