Interpret a UUID

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UUID: 
Your input:                      21125e97-c603-47cf-af63-e7a39555eb4d

Various notations:

URN:                             urn:uuid:21125e97-c603-47cf-af63-e7a39555eb4d
URI:                             uuid:21125e97-c603-47cf-af63-e7a39555eb4d
Microsoft GUID syntax:           {21125E97-C603-47CF-AF63-E7A39555EB4D}
C++ struct syntax:               { 0x21125e97, 0xc603, 0x47cf, { 0xaf, 0x63, 0xe7, 0xa3, 0x95, 0x55, 0xeb, 0x4d } }

As OID (ISO/ITU-T 128 bits):     2.25.43959903775593131455293683756755708749
As OID (Microsoft):              1.2.840.113556.1.8000.2554.8466.24215.50691.18383.44899.15180693.5630797
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.2383071158787590095.12638199669102865229
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.554851991.3322103759.2942560163.2505435981
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.8466.24215.50691.18383.44899.59299.38229.60237

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     00100001 00010010 01011110 10010111 11000110 00000011 ????0111 11001111
                                 ??101111 01100011 11100111 10100011 10010101 01010101 11101011 01001101
Random bytes:                    [0x21125e97c603?7cf?f63e7a39555eb4d]