AS4538 211.81.0.0/20 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 4094Addressable IPs: 4096211.81.0.0/24211.81.1.0/24211.81.2.0/24211.81.3.0/24211.81.4.0/24211.81.5.0/24211.81.6.0/24211.81.7.0/24211.81.8.0/24211.81.9.0/24211.81.10.0/24211.81.11.0/24211.81.12.0/24211.81.13.0/24211.81.14.0/24211.81.15.0/24