Calculate network, broadcast, host range and subnet mask.
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Network Address
Broadcast Address
Subnet Mask
Wildcard Mask
First Host
Last Host
Total Hosts
Usable Hosts
IP Class
IP Type
Enter an IP address and CIDR prefix (0–32), then click Calculate. The tool computes the network address, broadcast, host range, subnet mask, wildcard, total/usable hosts, IP class and type (private/public).