Which company owns MAC address prefix 8C:B0:E9?

MAC address prefix 8C:B0:E9 is registered to Samsung Electronics.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 8C:B0:E9 has a network interface built by Samsung Electronics.,LTD.

What is the OUI 8C:B0:E9?

8C:B0:E9 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Samsung Electronics.,LTD. It covers every address from 8C:B0:E9:00:00:00 to 8C:B0:E9:FF:FF:FF, or 16,777,216 addresses in total. It is also written 8C-B0-E9.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in 8C:B0:E9:00:00:00 that is 8C:B0:E9 — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.

Where is Samsung Electronics.,LTD located?

Samsung Electronics.,LTD is listed at 129, Samsung-ro, Yeongtong-gu Suwon Gyeonggi-Do KR 443-742 in the IEEE OUI registry entry for 8C:B0:E9. This is the address the organization registered with the IEEE, which may differ from its current operating address.

How many MAC prefixes does Samsung Electronics.,LTD own?

Samsung Electronics.,LTD holds 2 OUI prefixes in the IEEE registry, of which 8C:B0:E9 is one. A device made by Samsung Electronics.,LTD could carry a MAC address from any of them.

Samsung Electronics.,LTD

MAC address prefix 8C:B0:E9 is registered to Samsung Electronics.,LTD in the IEEE OUI registry. Any device whose MAC address begins with 8C:B0:E9 has a network interface built by Samsung Electronics.,LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address — it covers every MAC from 8C:B0:E9:00:00:00 to 8C:B0:E9:FF:FF:FF.

OUI prefix: 8C:B0:E9
Hyphen form: 8C-B0-E9
MAC range: 8C:B0:E9:00:00:00 – 8C:B0:E9:FF:FF:FF
Addresses in block: 16,777,216
Organization: Samsung Electronics.,LTD
Address: 129, Samsung-ro, Yeongtong-gu Suwon Gyeonggi-Do KR 443-742
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.

Other prefixes from Samsung Electronics.,LTD

Samsung Electronics.,LTD holds 2 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:

C8:41:8A

Assignment history (2)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

2018-12-21Assigned to "Samsung Electronics.,LTD"
archived source →
2026-07-17Assigned to "Samsung Electronics.,LTD"

Nearby in the registry

The prefixes assigned immediately before and after 8C:B0:E9:

FAQ

Which company owns MAC address prefix 8C:B0:E9?: MAC address prefix 8C:B0:E9 is registered to Samsung Electronics.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 8C:B0:E9 has a network interface built by Samsung Electronics.,LTD.
What is the OUI 8C:B0:E9?: 8C:B0:E9 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Samsung Electronics.,LTD. It covers every address from 8C:B0:E9:00:00:00 to 8C:B0:E9:FF:FF:FF, or 16,777,216 addresses in total. It is also written 8C-B0-E9.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in 8C:B0:E9:00:00:00 that is 8C:B0:E9 — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.
Where is Samsung Electronics.,LTD located?: Samsung Electronics.,LTD is listed at 129, Samsung-ro, Yeongtong-gu Suwon Gyeonggi-Do KR 443-742 in the IEEE OUI registry entry for 8C:B0:E9. This is the address the organization registered with the IEEE, which may differ from its current operating address.
How many MAC prefixes does Samsung Electronics.,LTD own?: Samsung Electronics.,LTD holds 2 OUI prefixes in the IEEE registry, of which 8C:B0:E9 is one. A device made by Samsung Electronics.,LTD could carry a MAC address from any of them.