IPv6 notation tool

Expand IPv6 address fda3:e722:ac3:10:8f:6c3:ac16:bff7

Write any valid IPv6 address in its complete eight-group form for subnetting, binary analysis, logs, and documentation.

Example: 2001:db8::1

Expansion result

Full IPv6 notation for fda3:e722:ac3:10:8f:6c3:ac16:bff7

Expanded IPv6 address

fda3:e722:0ac3:0010:008f:06c3:ac16:bff7

Compressed IPv6

fda3:e722:ac3:10:8f:6c3:ac16:bff7

Expanded IPv6

fda3:e722:0ac3:0010:008f:06c3:ac16:bff7

IPv6 groups

8 groups of 4 hexadecimal digits

Address size

128 bits

Expansion rules

1An IPv6 address always has eight 16-bit hexadecimal groups.
2Each visible group is left-padded with zeroes until it contains four digits.
3If :: appears, it is replaced with the number of 0000 groups needed to reach eight groups.

Binary representation

Each block below represents one 16-bit IPv6 group. This form is useful when comparing prefix bits or troubleshooting subnet boundaries.

1111110110100011 1110011100100010 0000101011000011 0000000000010000 0000000010001111 0000011011000011 1010110000010110 1011111111110111

Compress this IPv6 address

Recent notation conversions

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