Which company owns MAC address prefix BC:12:5E?

MAC address prefix BC:12:5E is registered to Beijing WisVideo INC. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with BC:12:5E has a network interface built by Beijing WisVideo INC..

What is the OUI BC:12:5E?

BC:12:5E is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Beijing WisVideo INC.. It covers every address from BC:12:5E:00:00:00 to BC:12:5E:FF:FF:FF, or 16,777,216 addresses in total. It is also written BC-12-5E.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in BC:12:5E:00:00:00 that is BC:12:5E — 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 Beijing WisVideo INC. located?

Beijing WisVideo INC. is listed at RM 3A08 Technology&Fortune Center A block No.8 Xue Qing Road,Haidian District , Beijing CN 100192 in the IEEE OUI registry entry for BC:12:5E. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Beijing WisVideo INC.

MAC address prefix BC:12:5E is registered to Beijing WisVideo INC. in the IEEE OUI registry. Any device whose MAC address begins with BC:12:5E has a network interface built by Beijing WisVideo INC.. 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 BC:12:5E:00:00:00 to BC:12:5E:FF:FF:FF.

OUI prefix: BC:12:5E
Hyphen form: BC-12-5E
MAC range: BC:12:5E:00:00:00 – BC:12:5E:FF:FF:FF
Addresses in block: 16,777,216
Organization: Beijing WisVideo INC.
Address: RM 3A08 Technology&Fortune Center A block No.8 Xue Qing Road,Haidian District , Beijing CN 100192
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 "Beijing WisVideo INC."
archived source →
2026-07-17Assigned to "Beijing WisVideo INC."

Nearby in the registry

The prefixes assigned immediately before and after BC:12:5E:

FAQ

Which company owns MAC address prefix BC:12:5E?: MAC address prefix BC:12:5E is registered to Beijing WisVideo INC. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with BC:12:5E has a network interface built by Beijing WisVideo INC..
What is the OUI BC:12:5E?: BC:12:5E is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Beijing WisVideo INC.. It covers every address from BC:12:5E:00:00:00 to BC:12:5E:FF:FF:FF, or 16,777,216 addresses in total. It is also written BC-12-5E.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in BC:12:5E:00:00:00 that is BC:12:5E — 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 Beijing WisVideo INC. located?: Beijing WisVideo INC. is listed at RM 3A08 Technology&Fortune Center A block No.8 Xue Qing Road,Haidian District , Beijing CN 100192 in the IEEE OUI registry entry for BC:12:5E. This is the address the organization registered with the IEEE, which may differ from its current operating address.