Use APKPure App
Get Vlsm IP Subnets Calculator old version APK for Android
Kalkulator VLSM Subnet CIDR
Quick-Vlsm is intend for automate and simplify VLSM calculation process.
How to use: Enter major network address and mask in slash-format, like 192.168.1.0/24
Enter sizes (number of assignable ip addresses) of subnets to divide major network