AS4538 1.51.0.0/19 CIDR and IP Range Summary.ASN: 4538 - Asia Pacific Network Information CentreHost Count: 8190Addressable IPs: 81921.51.0.0/241.51.1.0/241.51.2.0/241.51.3.0/241.51.4.0/241.51.5.0/241.51.6.0/241.51.7.0/241.51.8.0/241.51.9.0/241.51.10.0/241.51.11.0/241.51.12.0/241.51.13.0/241.51.14.0/241.51.15.0/241.51.16.0/241.51.17.0/241.51.18.0/241.51.19.0/241.51.20.0/241.51.21.0/241.51.22.0/241.51.23.0/241.51.24.0/241.51.25.0/241.51.26.0/241.51.27.0/241.51.28.0/241.51.29.0/241.51.30.0/241.51.31.0/24