Which company owns MAC address prefix 2C:75:CB?

MAC address prefix 2C:75:CB is registered to Novitec Co., Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 2C:75:CB has a network interface built by Novitec Co., Ltd..

What is the OUI 2C:75:CB?

2C:75:CB is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Novitec Co., Ltd.. It covers every address from 2C:75:CB:00:00:00 to 2C:75:CB:FF:FF:FF, or 16,777,216 addresses in total. It is also written 2C-75-CB.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in 2C:75:CB:00:00:00 that is 2C:75:CB — 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 Novitec Co., Ltd. located?

Novitec Co., Ltd. is listed at 30-18, Baekjegobun-ro 39-gil, Songpa-gu Seoul KR 05609 in the IEEE OUI registry entry for 2C:75:CB. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Novitec Co., Ltd.

MAC address prefix 2C:75:CB is registered to Novitec Co., Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 2C:75:CB has a network interface built by Novitec 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 2C:75:CB:00:00:00 to 2C:75:CB:FF:FF:FF.

OUI prefix: 2C:75:CB
Hyphen form: 2C-75-CB
MAC range: 2C:75:CB:00:00:00 – 2C:75:CB:FF:FF:FF
Addresses in block: 16,777,216
Organization: Novitec Co., Ltd.
Address: 30-18, Baekjegobun-ro 39-gil, Songpa-gu Seoul KR 05609
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.

2022-09-05Assigned to "Novitec Co., Ltd."
archived source →
2026-07-17Assigned to "Novitec Co., Ltd."

Nearby in the registry

The prefixes assigned immediately before and after 2C:75:CB:

FAQ

Which company owns MAC address prefix 2C:75:CB?: MAC address prefix 2C:75:CB is registered to Novitec Co., Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 2C:75:CB has a network interface built by Novitec Co., Ltd..
What is the OUI 2C:75:CB?: 2C:75:CB is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Novitec Co., Ltd.. It covers every address from 2C:75:CB:00:00:00 to 2C:75:CB:FF:FF:FF, or 16,777,216 addresses in total. It is also written 2C-75-CB.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in 2C:75:CB:00:00:00 that is 2C:75:CB — 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 Novitec Co., Ltd. located?: Novitec Co., Ltd. is listed at 30-18, Baekjegobun-ro 39-gil, Songpa-gu Seoul KR 05609 in the IEEE OUI registry entry for 2C:75:CB. This is the address the organization registered with the IEEE, which may differ from its current operating address.