Interpret a UUID

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UUID: 
Your input:                      21d1fe72-b52c-46f2-8cc1-59362cd6257c

Various notations:

URN:                             urn:uuid:21d1fe72-b52c-46f2-8cc1-59362cd6257c
URI:                             uuid:21d1fe72-b52c-46f2-8cc1-59362cd6257c
Microsoft GUID syntax:           {21D1FE72-B52C-46F2-8CC1-59362CD6257C}
C++ struct syntax:               { 0x21d1fe72, 0xb52c, 0x46f2, { 0x8c, 0xc1, 0x59, 0x36, 0x2c, 0xd6, 0x25, 0x7c } }

As OID (ISO/ITU-T 128 bits):     2.25.44954874724456171484245528748674655612
As OID (Microsoft):              1.2.840.113556.1.8000.2554.8657.65138.46380.18162.36033.5846572.14034300
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.2437008642003453682.10142485925030405500
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.567410290.3039577842.2361481526.752231804
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.8657.65138.46380.18162.36033.22838.11478.9596

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     00100001 11010001 11111110 01110010 10110101 00101100 ????0110 11110010
                                 ??001100 11000001 01011001 00110110 00101100 11010110 00100101 01111100
Random bytes:                    [0x21d1fe72b52c?6f2?cc159362cd6257c]