AS4134 221.237.16.0/21 CIDR and IP Range Summary.ASN: 4134 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048221.237.16.0/24221.237.17.0/24221.237.18.0/24221.237.19.0/24221.237.20.0/24221.237.21.0/24221.237.22.0/24221.237.23.0/24