Interpret a UUID

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UUID: 
Your input:                      a13b1980-74d1-11f1-b9ee-4cf95d479851

Various notations:

URN:                             urn:uuid:a13b1980-74d1-11f1-b9ee-4cf95d479851
URI:                             uuid:a13b1980-74d1-11f1-b9ee-4cf95d479851
Microsoft GUID syntax:           {A13B1980-74D1-11F1-B9EE-4CF95D479851}
C++ struct syntax:               { 0xa13b1980, 0x74d1, 0x11f1, { 0xb9, 0xee, 0x4c, 0xf9, 0x5d, 0x47, 0x98, 0x51 } }

As OID (ISO/ITU-T 128 bits):     2.25.214312570073622914860060793236395366481
As OID (Microsoft):              1.2.840.113556.1.8000.2554.41275.6528.29905.4593.47598.5044573.4692049
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.11617907703238693361.13397730575369345105
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.2705004928.1959858673.3119402233.1564973137
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.41275.6528.29905.4593.47598.19705.23879.38993

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1
Version:                         [0x1] Time-based with unique host identifier
Timestamp:                       [0x1f174d1a13b1980] 2026-06-30 22:18:32'7187840 GMT
Clock ID:                        [0xb9ee] 14830
Node ID:                         [0x4cf95d479851] 4C-F9-5D-47-98-51

In case that this Node ID is a MAC address, here is the interpretation of that MAC address:

Input:                           4C-F9-5D-47-98-51
Type:                            EUI-48 (Extended Unique Identifier)

EUI-48 or MAC-48:                4C-F9-5D-47-98-51
EUI-64:                          4C-F9-5D-FF-FF-47-98-51 (MAC-48 to EUI-64 Encapsulation)
                                 4C-F9-5D-FF-FE-47-98-51 (EUI-48 to EUI-64 Encapsulation)
                                 4E-F9-5D-FF-FE-47-98-51 (MAC/EUI-48 to Modified EUI-64 Encapsulation)
IPv6-Link-Local address:         fe80::4ef9:5dff:fe47:9851
Administration type (U/L flag):  [0] Universally Administered Address (UAA)
Transmission type (I/G flag):    [0] Unicast (Individual)

IEEE OUI (MA-L):                 0x4CF95D
Vendor-specific part:            0x479851
Registrant:                      HUAWEI TECHNOLOGIES CO.,LTD
Address of registrant:           No.2 Xin Cheng Road, Room R6,Songshan Lake Technology Park
                                 Dongguan    523808
                                 CN

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