SUHDOL E&C Co.Ltd.
Any device whose MAC address begins with 54:B6:20 has a network interface built by SUHDOL E&C Co.Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 54:B6:20
- Organization
- SUHDOL E&C Co.Ltd.
- Address
- 920, Ilsan TechnoTown 1141-1, Baekseok-dong, Ilsandong-gu Goyang-si Gyunggi-do KR 410-722
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.
Assignment history (1)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2026-07-17Assigned to "SUHDOL E&C Co.Ltd."