IPv6 notation tool

Expand IPv6 address ab51:67e:8860:c119:0:8888:0:9747

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 ab51:67e:8860:c119:0:8888:0:9747

Expanded IPv6 address

ab51:067e:8860:c119:0000:8888:0000:9747

Compressed IPv6

ab51:67e:8860:c119:0:8888:0:9747

Expanded IPv6

ab51:067e:8860:c119:0000:8888:0000:9747

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.

1010101101010001 0000011001111110 1000100001100000 1100000100011001 0000000000000000 1000100010001000 0000000000000000 1001011101000111

Compress this IPv6 address

Recent notation conversions

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