Quectel Wireless Solutions Co.,Ltd.
MAC address prefix 3C:22:7F is registered to Quectel Wireless Solutions Co.,Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 3C:22:7F has a network interface built by Quectel Wireless Solutions 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 3C:22:7F:00:00:00 to 3C:22:7F:FF:FF:FF.
- OUI prefix
- 3C:22:7F
- Hyphen form
- 3C-22-7F
- MAC range
- 3C:22:7F:00:00:00 – 3C:22:7F:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Quectel Wireless Solutions Co.,Ltd.
- Address
- Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District Shanghai CN 200233
- 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 Quectel Wireless Solutions Co.,Ltd.
Quectel Wireless Solutions Co.,Ltd. holds 73 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (3)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2026-01-08Assigned to "Quectel Wireless Solutions Co., Ltd."archived source →
- 2026-06-20Renamed from "Quectel Wireless Solutions Co., Ltd." to "Quectel Wireless Solutions Co.,Ltd."archived source →
- 2026-07-17Assigned to "Quectel Wireless Solutions Co.,Ltd."
Nearby in the registry
The prefixes assigned immediately before and after 3C:22:7F:
- D-Link International3C:1E:04
- HANGZHOU SUNRISE TECHNOLOGY CO., LTD3C:1E:13
- Apple, Inc.3C:1E:B5
- GD Midea Air-Conditioning Equipment Co.,Ltd.3C:20:93
- Samsung Electronics Co.,Ltd3C:20:F6
- Intel Corporate3C:21:9C
- Apple, Inc.3C:22:FB
- Huawei Device Co., Ltd.3C:24:0A
- IEEE Registration Authority3C:24:F0
- Nokia Corporation3C:25:D7
- Dell Inc.3C:25:F8
- Sotera Wireless3C:26:D5
FAQ
- Which company owns MAC address prefix 3C:22:7F?
- MAC address prefix 3C:22:7F is registered to Quectel Wireless Solutions Co.,Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 3C:22:7F has a network interface built by Quectel Wireless Solutions Co.,Ltd..
- What is the OUI 3C:22:7F?
- 3C:22:7F is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Quectel Wireless Solutions Co.,Ltd.. It covers every address from 3C:22:7F:00:00:00 to 3C:22:7F:FF:FF:FF, or 16,777,216 addresses in total. It is also written 3C-22-7F.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 3C:22:7F:00:00:00 that is 3C:22:7F — 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 Quectel Wireless Solutions Co.,Ltd. located?
- Quectel Wireless Solutions Co.,Ltd. is listed at Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District Shanghai CN 200233 in the IEEE OUI registry entry for 3C:22:7F. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Quectel Wireless Solutions Co.,Ltd. own?
- Quectel Wireless Solutions Co.,Ltd. holds 73 OUI prefixes in the IEEE registry, of which 3C:22:7F is one. A device made by Quectel Wireless Solutions Co.,Ltd. could carry a MAC address from any of them.