IPv6 Subnet Calculator

Calculate IPv6 subnet details and address ranges.

Runs in your browser All processing happens locally. Your data never leaves this device.
Network
2001:db8::
First address
2001:db8::
Last address
2001:db8:0:ffff:ffff:ffff:ffff:ffff
Prefix
/48
Addresses
1,208,925,819,614,629,174,706,176

About this tool

Overview, usage, examples, FAQ, and notes will be provided here per language.

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