Subnet Calculator



Free online TCP/IP address calculations. Get netmask, broadcast, network, host start and host end addresses.

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Insert IP & Mask or CIDR

(ex. 192.168.0.1/22 or 192.168.0.1 255.255.252.0 or 192.168.0.1 0.0.3.255)



Calculating 192.168.0.1/22 Network

Address: 192.168.0.1 11000000.10101000.000000   00.00000001
Netmask: 255.255.252.0 = 22 11111111.11111111.111111   00.00000000
Wildcard: 0.0.3.255 00000000.00000000.000000   11.11111111
Network: 192.168.0.0 11000000.10101000.000000   00.00000000 (Class C)
Broadcast: 192.168.3.255 11000000.10101000.000000   11.11111111
HostMin: 192.168.0.1 11000000.10101000.000000   00.00000001
HostMax: 192.168.3.254 11000000.10101000.000000   11.11111110
Hosts/Net: 1022

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