IPv6 notation tool

Expand IPv6 address 2c0f:fc00:53:4160:0:53:a:1

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 2c0f:fc00:53:4160:0:53:a:1

Expanded IPv6 address

2c0f:fc00:0053:4160:0000:0053:000a:0001

Compressed IPv6

2c0f:fc00:53:4160:0:53:a:1

Expanded IPv6

2c0f:fc00:0053:4160:0000:0053:000a:0001

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.

0010110000001111 1111110000000000 0000000001010011 0100000101100000 0000000000000000 0000000001010011 0000000000001010 0000000000000001

Compress this IPv6 address

Recent notation conversions

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