$megatools --cidr-calculator --client-side
CIDR Calculator
IPv4 subnet calculator: network, broadcast, netmask, host range from CIDR notation.
Common Subnet Presets:
IPv4 CIDR Block / IP Address
Subnet Allocation Details
Network Address:192.168.1.0/24
Subnet Mask:255.255.255.0
Wildcard Mask:0.0.0.255
Usable Host Range:192.168.1.1 — 192.168.1.254
Broadcast Address:192.168.1.255
Usable Hosts:254
Total IP Addresses:256
IP Type & Scope:Class C · Private