IPv4 CIDR Checker

This online IPv4 CIDR checker can check if an IPv4 address is within a CIDR range (i.e 73.35.0.0/20). Check if a given IPv4 address belongs to a CIDR notation range. Just enter the IPv4 address (i.e 73.35.15.11) and the IPv4 CIDR notation range (i.e 73.35.0.0/20) in the form below:

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