Paste an IPv6 address in any valid notation — compressed, full, or with an embedded IPv4 tail — and read off both the RFC 5952 canonical form and the fully expanded form, each with copy, plus what kind of address it is. Below, a reference table of the special addresses and prefixes worth knowing, each row copyable. Invalid input names the offending group.
Privacy ledger
Data acquired
None.
Libraries used
Lit 3 — bundled into the tool file itself.
Data stored
None.
Data transmitted
None.
Use it on your own page
Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.