Which company owns MAC address prefix B8:BB:23?

MAC address prefix B8:BB:23 is registered to Guangdong Nufront CSC Co., Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with B8:BB:23 has a network interface built by Guangdong Nufront CSC Co., Ltd.

What is the OUI B8:BB:23?

B8:BB:23 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Guangdong Nufront CSC Co., Ltd. It covers every address from B8:BB:23:00:00:00 to B8:BB:23:FF:FF:FF, or 16,777,216 addresses in total. It is also written B8-BB-23.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in B8:BB:23:00:00:00 that is B8:BB:23 — 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 Guangdong Nufront CSC Co., Ltd located?

Guangdong Nufront CSC Co., Ltd is listed at A403-414, Building 13, No.232 Waihuan East Road, Higher Education Mega Center, Guangdong 510006, China Guangzhou Guangdong CN 510006 in the IEEE OUI registry entry for B8:BB:23. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Guangdong Nufront CSC Co., Ltd

MAC address prefix B8:BB:23 is registered to Guangdong Nufront CSC Co., Ltd in the IEEE OUI registry. Any device whose MAC address begins with B8:BB:23 has a network interface built by Guangdong Nufront CSC 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 B8:BB:23:00:00:00 to B8:BB:23:FF:FF:FF.

OUI prefix: B8:BB:23
Hyphen form: B8-BB-23
MAC range: B8:BB:23:00:00:00 – B8:BB:23:FF:FF:FF
Addresses in block: 16,777,216
Organization: Guangdong Nufront CSC Co., Ltd
Address: A403-414, Building 13, No.232 Waihuan East Road, Higher Education Mega Center, Guangdong 510006, China Guangzhou Guangdong CN 510006
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 "Guangdong Nufront CSC Co., Ltd"
archived source →
2026-07-17Assigned to "Guangdong Nufront CSC Co., Ltd"

Nearby in the registry

The prefixes assigned immediately before and after B8:BB:23:

FAQ

Which company owns MAC address prefix B8:BB:23?: MAC address prefix B8:BB:23 is registered to Guangdong Nufront CSC Co., Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with B8:BB:23 has a network interface built by Guangdong Nufront CSC Co., Ltd.
What is the OUI B8:BB:23?: B8:BB:23 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Guangdong Nufront CSC Co., Ltd. It covers every address from B8:BB:23:00:00:00 to B8:BB:23:FF:FF:FF, or 16,777,216 addresses in total. It is also written B8-BB-23.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in B8:BB:23:00:00:00 that is B8:BB:23 — 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 Guangdong Nufront CSC Co., Ltd located?: Guangdong Nufront CSC Co., Ltd is listed at A403-414, Building 13, No.232 Waihuan East Road, Higher Education Mega Center, Guangdong 510006, China Guangzhou Guangdong CN 510006 in the IEEE OUI registry entry for B8:BB:23. This is the address the organization registered with the IEEE, which may differ from its current operating address.