Interpret a UUID
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Your input: 1f1d0b09-ba65-6fee-8497-4cf95d479851
Various notations:
URN: urn:uuid:1f1d0b09-ba65-6fee-8497-4cf95d479851
URI: uuid:1f1d0b09-ba65-6fee-8497-4cf95d479851
Microsoft GUID syntax: {1F1D0B09-BA65-6FEE-8497-4CF95D479851}
C++ struct syntax: { 0x1f1d0b09, 0xba65, 0x6fee, { 0x84, 0x97, 0x4c, 0xf9, 0x5d, 0x47, 0x98, 0x51 } }
As OID (ISO/ITU-T 128 bits): 2.25.41356868355475846775109243195229706321
As OID (Microsoft): 1.2.840.113556.1.8000.2554.7965.2825.47717.28654.33943.5044573.4692049
As OID (Waterjuice 2x64 bits): 1.3.6.1.4.1.54392.1.2241960325910196206.9554189768385337425
As OID (Waterjuice 4x32 bits): 1.3.6.1.4.1.54392.2.521997065.3127209966.2224508153.1564973137
As OID (Waterjuice 8x16 bits): 1.3.6.1.4.1.54392.3.7965.2825.47717.28654.33943.19705.23879.38993
Interpretation of the UUID:
Variant: [0b10_] RFC 9562 (Davis-Peabody-Leach)
Version: [0x6] Reordered Time-Based
Timestamp: [0x1f1d0b09ba65fee] 2026-10-25 20:13:56'9389550 GMT
Clock ID: [0x8497] 1175
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: OUI (MA-L)? not found in database
IEEE 28 bit identifier (MA-M)?: 0x4CF95D4
Vendor-specific part: 0x79851
Registrant: 28 bit identifier (MA-M)? not found in database
IEEE OUI-36 (MA-S)?: 0x4CF95D479
Vendor-specific part: 0x851
Registrant: OUI-36 (MA-S)? not found in database
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