Interpret a UUID

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UUID: 
Your input:                      ef01d810-0f6a-41b0-bf42-b4909e6aaf13

Various notations:

URN:                             urn:uuid:ef01d810-0f6a-41b0-bf42-b4909e6aaf13
URI:                             uuid:ef01d810-0f6a-41b0-bf42-b4909e6aaf13
Microsoft GUID syntax:           {EF01D810-0F6A-41B0-BF42-B4909E6AAF13}
C++ struct syntax:               { 0xef01d810, 0x0f6a, 0x41b0, { 0xbf, 0x42, 0xb4, 0x90, 0x9e, 0x6a, 0xaf, 0x13 } }

As OID (ISO/ITU-T 128 bits):     2.25.317695065562349148939108838572456324883
As OID (Microsoft):              1.2.840.113556.1.8000.2554.61185.55312.3946.16816.48962.11833502.6991635
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.17222284013531185584.13781776342933221139
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4009875472.258621872.3208819856.2657791763
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.61185.55312.3946.16816.48962.46224.40554.44819

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11101111 00000001 11011000 00010000 00001111 01101010 ????0001 10110000
                                 ??111111 01000010 10110100 10010000 10011110 01101010 10101111 00010011
Random bytes:                    [0xef01d8100f6a?1b0?f42b4909e6aaf13]