Classless Inter-Domain Routing Acronym. CIDR. Classless Inter-Domain Routing ; normally an IP address notation such as 192.168.1.0/24 indicating a block of addresses. The number after the slash indicates how many bits are in the mask; bits to the right are not masked. CIDR (Classless Inter-Domain Routing or supernetting) CIDR (Classless Inter-Domain Routing, sometimes called supernetting ) is a way to allow more flexible allocation of Internet Protocol ( IP ) addresses than was possible with the original system of IP address classes. As a result, the number of available Internet addresses was greatly increased, which along with widespread use of network address translation ( NAT ), has significantly extended the useful life of IPv4. cidr calculator Follow below link http://www.subnet-calculator.com/cidr.php http://jodies.de/ipcalc?host=192.16.0.1&mask1=16&mask2= CIDR - Classless Inter Domain Routing CIDR - C...
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