IPv6 Expander & Compressor
Shortcut ⌘↵Expand, compress, and analyse IPv6 addresses with prefix math and address counts.
100% client-side · no data leaves this device
Address type
Documentation
2001:db8::/32 — reserved for examples and docs (RFC 3849).
Prefix /64
Network
::85a3:db8:2001/64
First address
::85a3:db8:2001
Last address
ffff:ffff:ffff:ffff:0:85a3:db8:2001
Total addresses
2^64 ≈ 1.844e+19
Exact: 18446744073709551616