IPv6 Expand
Expand a compressed IPv6 address to its full 8-group form.
IPv6 addresses are often written in compressed form using :: to skip runs of zero groups. This tool expands an address into the full 8-group, 128-bit notation and shows the binary representation.
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Frequently asked questions
Does :: always expand to the same thing?
Yes. The :: notation always represents enough zero groups to bring the address to eight groups total.