Interactive IPv4 lab

Move the boundary.
See the subnet change.

Enter an IPv4 network, then increase the prefix. Every result and bit boundary updates instantly.

Calculated subnet

192.168.1.0/24

Valid IPv4

Network ID192.168.1.0The first address

Broadcast192.168.1.255The last address

First usable192.168.1.1First assignable host

Last usable192.168.1.254Last assignable host

Subnet mask255.255.255.0Wildcard 0.0.0.255

Host capacity254 usable256 total addresses

32-bit address

Binary view

Original prefix/24

Bits borrowed0

New subnets1

Host bits left8

IP address

Subnet mask

Network boundary after bit 24

No bits are borrowed yet. Move the prefix slider to the right.

Subnet map

Showing 1 of 1