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Shenzhen MiaoMing Intelligent Technology Co.,Ltd

MAC address prefix 40:8C:4C is registered to Shenzhen MiaoMing Intelligent Technology Co.,Ltd in the IEEE OUI registry. Any device whose MAC address begins with 40:8C:4C has a network interface built by Shenzhen MiaoMing Intelligent Technology 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 40:8C:4C:00:00:00 to 40:8C:4C:FF:FF:FF.

OUI prefix
40:8C:4C
Hyphen form
40-8C-4C
MAC range
40:8C:4C:00:00:00 – 40:8C:4C:FF:FF:FF
Addresses in block
16,777,216
Organization
Shenzhen MiaoMing Intelligent Technology Co.,Ltd
Address
Chudong science and technology park, 111 shaxin road, tangxia town, dongguan city guangdong province CN 523710
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.

Other prefixes from Shenzhen MiaoMing Intelligent Technology Co.,Ltd

Shenzhen MiaoMing Intelligent Technology Co.,Ltd holds 6 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:

Assignment history (2)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

  1. 2020-08-05Assigned to "Shenzhen MiaoMing Intelligent Technology Co.,Ltd"
    archived source →
  2. 2026-07-17Assigned to "Shenzhen MiaoMing Intelligent Technology Co.,Ltd"

Nearby in the registry

The prefixes assigned immediately before and after 40:8C:4C:

FAQ

Which company owns MAC address prefix 40:8C:4C?
MAC address prefix 40:8C:4C is registered to Shenzhen MiaoMing Intelligent Technology Co.,Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 40:8C:4C has a network interface built by Shenzhen MiaoMing Intelligent Technology Co.,Ltd.
What is the OUI 40:8C:4C?
40:8C:4C is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Shenzhen MiaoMing Intelligent Technology Co.,Ltd. It covers every address from 40:8C:4C:00:00:00 to 40:8C:4C:FF:FF:FF, or 16,777,216 addresses in total. It is also written 40-8C-4C.
How do I find the manufacturer of a MAC address?
Take the first three octets of the address — in 40:8C:4C:00:00:00 that is 40:8C:4C — 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 Shenzhen MiaoMing Intelligent Technology Co.,Ltd located?
Shenzhen MiaoMing Intelligent Technology Co.,Ltd is listed at Chudong science and technology park, 111 shaxin road, tangxia town, dongguan city guangdong province CN 523710 in the IEEE OUI registry entry for 40:8C:4C. This is the address the organization registered with the IEEE, which may differ from its current operating address.
How many MAC prefixes does Shenzhen MiaoMing Intelligent Technology Co.,Ltd own?
Shenzhen MiaoMing Intelligent Technology Co.,Ltd holds 6 OUI prefixes in the IEEE registry, of which 40:8C:4C is one. A device made by Shenzhen MiaoMing Intelligent Technology Co.,Ltd could carry a MAC address from any of them.