This IP subnet calculator covers both IPv4 and IPv6 protocols, providing information such as IP address, network address, subnet mask, IP range, and more.

Feb 12, 2021 · Subnet masks function as a sort of filter for an IP address. With a subnet mask, devices can look at an IP address, and figure out which parts are the network bits and which are the host bits. Then using those things, it can figure out the best way for …

Apr 17, 2020 · To get a little more technical, a subnet mask is a 32-bit number that masks an IP address and divides the IP address into a network address and host address. The subnet mask is made by setting network bits to all "1" and setting host bits to all "0".

Sep 3, 2024 · In this Subnetting Cheat Sheet, you’ll learn all the basic to advanced subnetting concepts, including CIDR notation, and IPv4 subnet masks ranging from XX.XX.XX.XX/0 to XX.XX.XX.XX/32, IPv4 wildcard mask values, classification of IPv4 addresses from Class A to Class E, and more.

Nov 3, 2022 · A subnet mask is defined as a 32-bit address that segregates an IP address into network bits that identify the network and host bits that identify the host device operating on that network. This article explains a subnet mask, how it works, and …

Oct 23, 2024 · A subnet mask is a 32-bit bitmask that splits an IP address into network and host sections to enable IPv4 network segmentation (a.k.a. subnetting). A lot is going on there, so let’s unpack it. I’ll introduce a few new terms as we go, but we’ll tie it all together at the end.

Apr 11, 2017 · One of the most basic concepts of data networking is how devices connect and communicate within an IPv4 network. To understand this, we must look at the devices' unique IP addresses as well as the associated subnet mask and default gateway. With these three pieces of information, we know how a device communicates with others locally as well as ...

For IPv4, a network may also be characterized by its subnet mask or netmask, which is the bitmask that, when applied by a bitwise AND operation to any IP address in the network, yields the routing prefix. Subnet masks are also expressed in dot-decimal notation like an IP address.

Oct 10, 2010 · Subnet masks (IPv4) and prefixes (IPv6) identify the range of IP addresses that make up a subnet, or group of IP addresses on the same network. For example, a subnet can be used to identify all the machines in a building, department, geographic location, or on the same local area network (LAN).

Jan 19, 2025 · Subnetting divides networks into smaller, more manageable sections, optimizing performance and security. This cheat sheet briefly references IPv4 subnet masks, their corresponding CIDR notation, total subnets, and the number of hosts available in each subnet.