AS4538 211.80.16.0/21 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 2046Addressable IPs: 2048211.80.16.0/24211.80.17.0/24211.80.18.0/24211.80.19.0/24211.80.20.0/24211.80.21.0/24211.80.22.0/24211.80.23.0/24