Quectel Wireless Solutions Co.,Ltd.
MAC address prefix 64:C4:03 is registered to Quectel Wireless Solutions Co.,Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 64:C4:03 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 64:C4:03:00:00:00 to 64:C4:03:FF:FF:FF.
- OUI prefix
- 64:C4:03
- Hyphen form
- 64-C4-03
- MAC range
- 64:C4:03:00:00:00 – 64:C4:03: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.
- 2021-06-10Assigned 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 64:C4:03:
- cheilelectric64:C1:7E
- eero inc.64:C2:69
- LG Electronics (Mobile Communications)64:C2:DE
- Avaya Inc64:C3:54
- HUAWEI TECHNOLOGIES CO.,LTD64:C3:94
- Juniper Networks64:C3:D6
- China Mobile Group Device Co.,Ltd.64:C5:82
- South African Broadcasting Corporation64:C5:AA
- Barnes&Noble64:C6:67
- AXERRA Networks Ltd64:C6:AF
- Seiko Epson Corporation64:C6:D2
- Apple, Inc.64:C7:53
FAQ
- Which company owns MAC address prefix 64:C4:03?
- MAC address prefix 64:C4:03 is registered to Quectel Wireless Solutions Co.,Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 64:C4:03 has a network interface built by Quectel Wireless Solutions Co.,Ltd..
- What is the OUI 64:C4:03?
- 64:C4:03 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 64:C4:03:00:00:00 to 64:C4:03:FF:FF:FF, or 16,777,216 addresses in total. It is also written 64-C4-03.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 64:C4:03:00:00:00 that is 64:C4:03 — 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 64:C4:03. 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 64:C4:03 is one. A device made by Quectel Wireless Solutions Co.,Ltd. could carry a MAC address from any of them.