IPv4 Subnet Calculator

Switch to IPv6 →
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

Quick Select Subnets:

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 Representation

IP Address: -
Subnet Mask: -
Network: -

All Subnets in Network

# Network Address Host Range Broadcast Hosts