Subnet Calculator

Enter an IP and prefix. Everything updates live, including the network/host bit split in binary.

IP address

prefix length/26

host math

Network

192.168.10.0

Broadcast

192.168.10.63

Subnet mask

255.255.255.192

Wildcard

0.0.0.63

First host

192.168.10.1

Last host

192.168.10.62

Usable hosts

Total addrs

// bit decompositionnetwork (26)host (6)boundary at /26

11000000

10101000

00001010

00000000

// copy as config

interface GigabitEthernet0/1
 ip address 192.168.10.1 255.255.255.192
 no shutdown
!
ip route 192.168.10.0 255.255.255.192 <next-hop>