Free IP address tool to translate IPv4 address range into CIDR (Classless Inter-Domain Routing) format and vice-versa.

The subnet calculator lets you enter a subnet range (CIDR) and see IP address information about that range You can type your range directly in CIDR notation, or use the optional Mask pull-down:

Classless Inter-Domain Routing (CIDR pronounced "cider" or / ˈsɪdər / SID-ər) is a method for allocating IP addresses for IP routing. The Internet Engineering Task Force introduced CIDR …

Quickly calculate network ranges with our CIDR Calculator. Convert CIDR notation into IP address ranges, subnet masks, and host counts for efficient network planning.

Convert an IP address range to CIDR notation or convert CIDR (start IP and prefix length) to an IP address range.

Pingable IP address lookup is a free tool to help you find IP addresses that can be pinged using the ICMP protocol.

Instantly compute and visualize CIDR subnets, IP ranges and masks. Free online tool for accurate network design, planning and IT education.

A CIDR Range Calculator simplifies the process of converting CIDR notations into IP ranges, netmasks, number of hosts, and broadcast addresses. Whether you’re managing home …

Mar 2, 2025 · The following is a description of what CIDR notation is, in case you’re not that familiar, as well as a helpful CIDR range calculator and reference table, including some …

In IPv4 range to CIDR mode, the CIDR calculator will determine the network block (s) that cover the range between two IP addresses. Give the calculator two IP addresses — the first in the …