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Subnet Mask To Wildcard Mask

Convert the Subnet Mask to a Wildcard





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What is a Wildcard Mask?

Wildcard Mask is a 32 bit number similar to a Subnet Mask, a wildcard mask is also used in subnetting to identify a group of IP addresses. Although wildcard mask and subnet mask are similar, A wildcard mask does not specify which portion of the IP address is the host and network portions. A wildcard mask does specify which portion of the IP address should be ignored (masked out) when performing a routing operation.


Wildcard masks are used primarily in access control rules and routing. The access control rules contain the match a specific pattern or a range of IP addresses. Wildcard masks are used alongside Subnet masks to give a more agility and powerful method of outline and matching groups of IP addresses on a network.


In Binary notation, the structure of a Wildcard Mask consists of a series of zeros followed by a series of ones. Usually the Wildcard Mask is the inverse of the Subnet Mask. In a Wildcard mask the zeros represent the bits that should be matched, where the ones represent the bits that should be ignored. For example a Wildcard Mask 0.255.255.255 would comprise 24 zeros and 8 ones. The first eight bits of the octet are matched where the remaining 24 zeros would be ignored.



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Number of Hosts Per Subnet

Check the number of hosts that is in a subnet on CIDR



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Wildcard Mask to Subnet Mask

Convert a Wildcard Mask to a Subnet Mask



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2.1

Subnet Mask To CIDR

Convert subnet mask to a CIDR



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4.4

Subnet Mask to Binary

Calculate the Subnet Mask to Binary Notation



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Number Of Hosts

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Number Of Subnets

Calculate the number of Subnets



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2

IPv6 Compression Calculator

Compressor or Shorten an IPv6 Address



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3.9

IPV4 Validator

Check if an IPV4 Address is vaild



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4.1

IP to binary

Convert IPV4 to binary



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3.8

IP class checker

Check the class of an IP address



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4.2