IPv4 Subnet Calculator

Network, broadcast, host range and masks for any IPv4 address.

Switch to the IPv6 subnet calculator

input

Enter an IPv4 address in dotted decimal notation, for example 192.168.1.100
Select the CIDR prefix length or subnet mask for your network

enter calculates · changing the prefix recalculates

presets

subnet details

Network address-
Broadcast address-
Usable host range-
Subnet mask-
Wildcard mask-
CIDR notation-
Total hosts-
Usable hosts-
IP class-
IP type-
Short notation-
Binary ID-
Integer ID-
Hex ID-
in-addr.arpa-
IPv4-mapped address-
6to4 prefix-

binary

network bits · host bits

IP address -
Subnet mask -
Network -

all subnets in network

# Network Host range Broadcast Hosts