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Convert IP to Decimal

The Decimal IP calculator converts an IP address to decimal form.

Enter an IPv4 or IPv6 address:

About this Tool

IP addresses are expressed in dotted format - several sets of numbers separated by periods or colons. For IPv6, they can get rather long. Decimal form is a mathematically equivalent notation that can be more convenient at times. This IP to decimal converter can provide the pair of Decimal IP, IP address (IPv4), IPv6 expanded and compressed and CIDR notation (IPv4 and IPv6)