AS19324 52.128.16.0/21 CIDR and IP Range Summary.ASN: 19324 - DOSarrest Internet Security LtdHost Count: 2046Addressable IPs: 204852.128.16.0/2452.128.17.0/2452.128.18.0/2452.128.19.0/2452.128.20.0/2452.128.21.0/2452.128.22.0/2452.128.23.0/24