IPv6 Address Tool

Expand, compress, and analyze IPv6 addresses. IPv4-mapped IPv6 conversion.

IPv6 Address

Expanded (full)2001:0db8:0000:0000:0000:0000:0000:0001

Compressed2001:db8::1

TypeGlobal unicast

Groups (hex → decimal):

2001

8193

0db8

3512

0000

0001

IPv4-Mapped IPv6 (::ffff:x.x.x.x)

IPv4 Address

IPv4-mapped IPv6 (compressed)::ffff:c0a8:0101

IPv4-mapped IPv6 (expanded)0000:0000:0000:0000:0000:ffff:c0a8:0101

Special IPv6 Addresses

::1Loopback (≈ 127.0.0.1)

::Unspecified (≈ 0.0.0.0)

::ffff:0:0/96IPv4-mapped

fe80::/10Link-local

fc00::/7Unique local (ULA)

ff00::/8Multicast

2000::/3Global unicast

2001:db8::/32Documentation (examples)