Which company owns MAC address prefix FC:6B:F0?

MAC address prefix FC:6B:F0 is registered to TOPWELL INTERNATIONAL HOLDINDS LIMITED in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with FC:6B:F0 has a network interface built by TOPWELL INTERNATIONAL HOLDINDS LIMITED.

What is the OUI FC:6B:F0?

FC:6B:F0 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to TOPWELL INTERNATIONAL HOLDINDS LIMITED. It covers every address from FC:6B:F0:00:00:00 to FC:6B:F0:FF:FF:FF, or 16,777,216 addresses in total. It is also written FC-6B-F0.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in FC:6B:F0:00:00:00 that is FC:6B:F0 — 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 TOPWELL INTERNATIONAL HOLDINDS LIMITED located?

TOPWELL INTERNATIONAL HOLDINDS LIMITED is listed at Room 1301-5,Buliding China Youshe,NO.6013,ShenNan Road,CheGong Temple,FuTian District,ShenZhen,GuangDong province,China SHENZHEN GUANGDONG CN 518000 in the IEEE OUI registry entry for FC:6B:F0. This is the address the organization registered with the IEEE, which may differ from its current operating address.

TOPWELL INTERNATIONAL HOLDINDS LIMITED

MAC address prefix FC:6B:F0 is registered to TOPWELL INTERNATIONAL HOLDINDS LIMITED in the IEEE OUI registry. Any device whose MAC address begins with FC:6B:F0 has a network interface built by TOPWELL INTERNATIONAL HOLDINDS LIMITED. 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 FC:6B:F0:00:00:00 to FC:6B:F0:FF:FF:FF.

OUI prefix: FC:6B:F0
Hyphen form: FC-6B-F0
MAC range: FC:6B:F0:00:00:00 – FC:6B:F0:FF:FF:FF
Addresses in block: 16,777,216
Organization: TOPWELL INTERNATIONAL HOLDINDS LIMITED
Address: Room 1301-5,Buliding China Youshe,NO.6013,ShenNan Road,CheGong Temple,FuTian District,ShenZhen,GuangDong province,China SHENZHEN GUANGDONG CN 518000
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 (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 "TOPWELL INTERNATIONAL HOLDINDS LIMITED"
archived source →
2026-07-17Assigned to "TOPWELL INTERNATIONAL HOLDINDS LIMITED"

Nearby in the registry

The prefixes assigned immediately before and after FC:6B:F0:

FAQ

Which company owns MAC address prefix FC:6B:F0?: MAC address prefix FC:6B:F0 is registered to TOPWELL INTERNATIONAL HOLDINDS LIMITED in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with FC:6B:F0 has a network interface built by TOPWELL INTERNATIONAL HOLDINDS LIMITED.
What is the OUI FC:6B:F0?: FC:6B:F0 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to TOPWELL INTERNATIONAL HOLDINDS LIMITED. It covers every address from FC:6B:F0:00:00:00 to FC:6B:F0:FF:FF:FF, or 16,777,216 addresses in total. It is also written FC-6B-F0.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in FC:6B:F0:00:00:00 that is FC:6B:F0 — 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 TOPWELL INTERNATIONAL HOLDINDS LIMITED located?: TOPWELL INTERNATIONAL HOLDINDS LIMITED is listed at Room 1301-5,Buliding China Youshe,NO.6013,ShenNan Road,CheGong Temple,FuTian District,ShenZhen,GuangDong province,China SHENZHEN GUANGDONG CN 518000 in the IEEE OUI registry entry for FC:6B:F0. This is the address the organization registered with the IEEE, which may differ from its current operating address.