Which company owns MAC address prefix A0:8A:87?

MAC address prefix A0:8A:87 is registered to HuiZhou KaiYue Electronic Co.,Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A0:8A:87 has a network interface built by HuiZhou KaiYue Electronic Co.,Ltd.

What is the OUI A0:8A:87?

A0:8A:87 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to HuiZhou KaiYue Electronic Co.,Ltd. It covers every address from A0:8A:87:00:00:00 to A0:8A:87:FF:FF:FF, or 16,777,216 addresses in total. It is also written A0-8A-87.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in A0:8A:87:00:00:00 that is A0:8A:87 — 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 HuiZhou KaiYue Electronic Co.,Ltd located?

HuiZhou KaiYue Electronic Co.,Ltd is listed at 3#,Ruttang 2nd area,Tongcheng Avenue Huizhou Guangdong CN 516005 in the IEEE OUI registry entry for A0:8A:87. This is the address the organization registered with the IEEE, which may differ from its current operating address.

HuiZhou KaiYue Electronic Co.,Ltd

MAC address prefix A0:8A:87 is registered to HuiZhou KaiYue Electronic Co.,Ltd in the IEEE OUI registry. Any device whose MAC address begins with A0:8A:87 has a network interface built by HuiZhou KaiYue Electronic 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 A0:8A:87:00:00:00 to A0:8A:87:FF:FF:FF.

OUI prefix: A0:8A:87
Hyphen form: A0-8A-87
MAC range: A0:8A:87:00:00:00 – A0:8A:87:FF:FF:FF
Addresses in block: 16,777,216
Organization: HuiZhou KaiYue Electronic Co.,Ltd
Address: 3#,Ruttang 2nd area,Tongcheng Avenue Huizhou Guangdong CN 516005
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 "HuiZhou KaiYue Electronic Co.,Ltd"
archived source →
2026-07-17Assigned to "HuiZhou KaiYue Electronic Co.,Ltd"

Nearby in the registry

The prefixes assigned immediately before and after A0:8A:87:

FAQ

Which company owns MAC address prefix A0:8A:87?: MAC address prefix A0:8A:87 is registered to HuiZhou KaiYue Electronic Co.,Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A0:8A:87 has a network interface built by HuiZhou KaiYue Electronic Co.,Ltd.
What is the OUI A0:8A:87?: A0:8A:87 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to HuiZhou KaiYue Electronic Co.,Ltd. It covers every address from A0:8A:87:00:00:00 to A0:8A:87:FF:FF:FF, or 16,777,216 addresses in total. It is also written A0-8A-87.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in A0:8A:87:00:00:00 that is A0:8A:87 — 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 HuiZhou KaiYue Electronic Co.,Ltd located?: HuiZhou KaiYue Electronic Co.,Ltd is listed at 3#,Ruttang 2nd area,Tongcheng Avenue Huizhou Guangdong CN 516005 in the IEEE OUI registry entry for A0:8A:87. This is the address the organization registered with the IEEE, which may differ from its current operating address.