Interpret a UUID
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Your input: 1f1ae9c0-2268-65aa-b879-4cf95d479851
Various notations:
URN: urn:uuid:1f1ae9c0-2268-65aa-b879-4cf95d479851
URI: uuid:1f1ae9c0-2268-65aa-b879-4cf95d479851
Microsoft GUID syntax: {1F1AE9C0-2268-65AA-B879-4CF95D479851}
C++ struct syntax: { 0x1f1ae9c0, 0x2268, 0x65aa, { 0xb8, 0x79, 0x4c, 0xf9, 0x5d, 0x47, 0x98, 0x51 } }
As OID (ISO/ITU-T 128 bits): 2.25.41345808611547849883741065987897137233
As OID (Microsoft): 1.2.840.113556.1.8000.2554.7962.59840.8808.26026.47225.5044573.4692049
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.2241360775990502826.13292740409056270417
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.521857472.577267114.3094957305.1564973137
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.7962.59840.8808.26026.47225.19705.23879.38993
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x6] Reordered Time-Based
Timestamp: [0x1f1ae9c022685aa] 2026-09-12 11:20:49'9406250 GMT
Clock ID: [0xb879] 14457
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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