Interpret a UUID
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Your input: dd8f2b58-acec-11f1-a03e-4cf95d479851
Various notations:
URN: urn:uuid:dd8f2b58-acec-11f1-a03e-4cf95d479851
URI: uuid:dd8f2b58-acec-11f1-a03e-4cf95d479851
Microsoft GUID syntax: {DD8F2B58-ACEC-11F1-A03E-4CF95D479851}
C++ struct syntax: { 0xdd8f2b58, 0xacec, 0x11f1, { 0xa0, 0x3e, 0x4c, 0xf9, 0x5d, 0x47, 0x98, 0x51 } }
As OID (ISO/ITU-T 128 bits): 2.25.294502764688444959459853845243091195985
As OID (Microsoft): 1.2.840.113556.1.8000.2554.56719.11096.44268.4593.41022.5044573.4692049
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.15965026863909966321.11546751128520071249
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.3717147480.2901152241.2688437497.1564973137
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.56719.11096.44268.4593.41022.19705.23879.38993
Interpretation of the UUID:
Variant: [0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1
Version: [0x1] Time-based with unique host identifier
Timestamp: [0x1f1acecdd8f2b58] 2026-09-10 07:54:35'4602840 GMT
Clock ID: [0xa03e] 8254
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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