CHONGQING FUGUI ELECTRONICS CO.,LTD.
MAC address prefix 74:12:B3 is registered to CHONGQING FUGUI ELECTRONICS CO.,LTD. in the IEEE OUI registry. Any device whose MAC address begins with 74:12:B3 has a network interface built by CHONGQING FUGUI ELECTRONICS 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 74:12:B3:00:00:00 to 74:12:B3:FF:FF:FF.
- OUI prefix
- 74:12:B3
- Hyphen form
- 74-12-B3
- MAC range
- 74:12:B3:00:00:00 – 74:12:B3:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- CHONGQING FUGUI ELECTRONICS CO.,LTD.
- Address
- Building D21,No.1, East Zone 1st Road,Xiyong Town,Shapingba District Chongqing Chongqing CN 401332
- 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 CHONGQING FUGUI ELECTRONICS CO.,LTD.
CHONGQING FUGUI ELECTRONICS CO.,LTD. holds 25 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.
- 2020-08-05Assigned to "CHONGQING FUGUI ELECTRONICS CO.,LTD."archived source →
- 2026-07-17Assigned to "CHONGQING FUGUI ELECTRONICS CO.,LTD."
Nearby in the registry
The prefixes assigned immediately before and after 74:12:B3:
- Apple, Inc.74:0E:A4
- Optowiz Co., Ltd74:0E:DB
- Broadcom Limited74:10:E0
- Nokia74:11:A0
- Cisco Systems, Inc74:11:B2
- Linksys USA, Inc74:12:13
- Fiberhome Telecommunication Technologies Co.,LTD74:12:BB
- Blink by Amazon74:13:48
- Motorola Mobility LLC, a Lenovo Company74:13:6A
- Intel Corporate74:13:EA
- SRT Wireless74:14:89
- Apple, Inc.74:14:D0
FAQ
- Which company owns MAC address prefix 74:12:B3?
- MAC address prefix 74:12:B3 is registered to CHONGQING FUGUI ELECTRONICS CO.,LTD. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 74:12:B3 has a network interface built by CHONGQING FUGUI ELECTRONICS CO.,LTD..
- What is the OUI 74:12:B3?
- 74:12:B3 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to CHONGQING FUGUI ELECTRONICS CO.,LTD.. It covers every address from 74:12:B3:00:00:00 to 74:12:B3:FF:FF:FF, or 16,777,216 addresses in total. It is also written 74-12-B3.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 74:12:B3:00:00:00 that is 74:12:B3 — 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 CHONGQING FUGUI ELECTRONICS CO.,LTD. located?
- CHONGQING FUGUI ELECTRONICS CO.,LTD. is listed at Building D21,No.1, East Zone 1st Road,Xiyong Town,Shapingba District Chongqing Chongqing CN 401332 in the IEEE OUI registry entry for 74:12:B3. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does CHONGQING FUGUI ELECTRONICS CO.,LTD. own?
- CHONGQING FUGUI ELECTRONICS CO.,LTD. holds 25 OUI prefixes in the IEEE registry, of which 74:12:B3 is one. A device made by CHONGQING FUGUI ELECTRONICS CO.,LTD. could carry a MAC address from any of them.