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CIDR calculator

Type a CIDR. We'll show the network, broadcast, range, netmask, wildcard mask, and whether it's private, loopback, or carrier-grade NAT.

Input

Details

/24
Network
10.0.0.0
Broadcast
10.0.0.255
First usable
10.0.0.1
Last usable
10.0.0.254
Netmask
255.255.255.0
Wildcard
0.0.0.255
Total addresses
256
Usable hosts
254
RFC 1918 (private)