Which company owns MAC address prefix C4:62:37?

MAC address prefix C4:62:37 is registered to sunweit industrial limited in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C4:62:37 has a network interface built by sunweit industrial limited.

What is the OUI C4:62:37?

C4:62:37 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to sunweit industrial limited. It covers every address from C4:62:37:00:00:00 to C4:62:37:FF:FF:FF, or 16,777,216 addresses in total. It is also written C4-62-37.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in C4:62:37:00:00:00 that is C4:62:37 — 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 sunweit industrial limited located?

sunweit industrial limited is listed at Block A ,503B Room,Zhihui Innovation Centre Shenzhen GUANGDONG CN 518000 in the IEEE OUI registry entry for C4:62:37. This is the address the organization registered with the IEEE, which may differ from its current operating address.

sunweit industrial limited

MAC address prefix C4:62:37 is registered to sunweit industrial limited in the IEEE OUI registry. Any device whose MAC address begins with C4:62:37 has a network interface built by sunweit industrial 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 C4:62:37:00:00:00 to C4:62:37:FF:FF:FF.

OUI prefix: C4:62:37
Hyphen form: C4-62-37
MAC range: C4:62:37:00:00:00 – C4:62:37:FF:FF:FF
Addresses in block: 16,777,216
Organization: sunweit industrial limited
Address: Block A ,503B Room,Zhihui Innovation Centre 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.

2024-02-15Assigned to "sunweit industrial limited"
archived source →
2026-07-17Assigned to "sunweit industrial limited"

Nearby in the registry

The prefixes assigned immediately before and after C4:62:37:

FAQ

Which company owns MAC address prefix C4:62:37?: MAC address prefix C4:62:37 is registered to sunweit industrial limited in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C4:62:37 has a network interface built by sunweit industrial limited.
What is the OUI C4:62:37?: C4:62:37 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to sunweit industrial limited. It covers every address from C4:62:37:00:00:00 to C4:62:37:FF:FF:FF, or 16,777,216 addresses in total. It is also written C4-62-37.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in C4:62:37:00:00:00 that is C4:62:37 — 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 sunweit industrial limited located?: sunweit industrial limited is listed at Block A ,503B Room,Zhihui Innovation Centre Shenzhen GUANGDONG CN 518000 in the IEEE OUI registry entry for C4:62:37. This is the address the organization registered with the IEEE, which may differ from its current operating address.