Quectel Wireless Solutions Co.,Ltd.
MAC address prefix 40:55:48 is registered to Quectel Wireless Solutions Co.,Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 40:55:48 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 40:55:48:00:00:00 to 40:55:48:FF:FF:FF.
- OUI prefix
- 40:55:48
- Hyphen form
- 40-55-48
- MAC range
- 40:55:48:00:00:00 – 40:55:48:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Quectel Wireless Solutions Co.,Ltd.
- Address
- 7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui 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 (2)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2025-05-13Assigned 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 40:55:48:
- Grandex International Corporation40:51:6C
- Pico Technology40:52:0D
- LG Electronics40:53:8C
- zte corporation40:54:93
- Wearsafe Labs Inc40:54:E4
- Cisco Systems, Inc40:55:39
- Nokia40:55:82
- In Home Displays Ltd40:56:0C
- Smartron India Pvt ltd40:56:2D
- GuoTengShengHua Electronics LTD.40:56:62
- vivo Mobile Communication Co., Ltd.40:58:46
- Logitech Far East40:58:99
FAQ
- Which company owns MAC address prefix 40:55:48?
- MAC address prefix 40:55:48 is registered to Quectel Wireless Solutions Co.,Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 40:55:48 has a network interface built by Quectel Wireless Solutions Co.,Ltd..
- What is the OUI 40:55:48?
- 40:55:48 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 40:55:48:00:00:00 to 40:55:48:FF:FF:FF, or 16,777,216 addresses in total. It is also written 40-55-48.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 40:55:48:00:00:00 that is 40:55:48 — 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 7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District Shanghai CN 200233 in the IEEE OUI registry entry for 40:55:48. 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 40:55:48 is one. A device made by Quectel Wireless Solutions Co.,Ltd. could carry a MAC address from any of them.