Which company owns MAC address prefix C4:82:3F?

MAC address prefix C4:82:3F is registered to Fujian Newland Auto-ID Tech. Co,.Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C4:82:3F has a network interface built by Fujian Newland Auto-ID Tech. Co,.Ltd..

What is the OUI C4:82:3F?

C4:82:3F is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Fujian Newland Auto-ID Tech. Co,.Ltd.. It covers every address from C4:82:3F:00:00:00 to C4:82:3F:FF:FF:FF, or 16,777,216 addresses in total. It is also written C4-82-3F.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in C4:82:3F:00:00:00 that is C4:82:3F — 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 Fujian Newland Auto-ID Tech. Co,.Ltd. located?

Fujian Newland Auto-ID Tech. Co,.Ltd. is listed at Newland Science & Technology Park, No.1 Rujiang West Rd., Mawei Fuzhou Fujian CN 350015 in the IEEE OUI registry entry for C4:82:3F. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Fujian Newland Auto-ID Tech. Co,.Ltd.

MAC address prefix C4:82:3F is registered to Fujian Newland Auto-ID Tech. Co,.Ltd. in the IEEE OUI registry. Any device whose MAC address begins with C4:82:3F has a network interface built by Fujian Newland Auto-ID Tech. Co,.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 C4:82:3F:00:00:00 to C4:82:3F:FF:FF:FF.

OUI prefix: C4:82:3F
Hyphen form: C4-82-3F
MAC range: C4:82:3F:00:00:00 – C4:82:3F:FF:FF:FF
Addresses in block: 16,777,216
Organization: Fujian Newland Auto-ID Tech. Co,.Ltd.
Address: Newland Science & Technology Park, No.1 Rujiang West Rd., Mawei Fuzhou Fujian CN 350015
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.

2016-07-29Assigned to "Fujian Newland Auto-ID Tech. Co,.Ltd."
archived source →
2026-07-17Assigned to "Fujian Newland Auto-ID Tech. Co,.Ltd."

Nearby in the registry

The prefixes assigned immediately before and after C4:82:3F:

FAQ

Which company owns MAC address prefix C4:82:3F?: MAC address prefix C4:82:3F is registered to Fujian Newland Auto-ID Tech. Co,.Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C4:82:3F has a network interface built by Fujian Newland Auto-ID Tech. Co,.Ltd..
What is the OUI C4:82:3F?: C4:82:3F is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Fujian Newland Auto-ID Tech. Co,.Ltd.. It covers every address from C4:82:3F:00:00:00 to C4:82:3F:FF:FF:FF, or 16,777,216 addresses in total. It is also written C4-82-3F.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in C4:82:3F:00:00:00 that is C4:82:3F — 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 Fujian Newland Auto-ID Tech. Co,.Ltd. located?: Fujian Newland Auto-ID Tech. Co,.Ltd. is listed at Newland Science & Technology Park, No.1 Rujiang West Rd., Mawei Fuzhou Fujian CN 350015 in the IEEE OUI registry entry for C4:82:3F. This is the address the organization registered with the IEEE, which may differ from its current operating address.