Huawei Device Co., Ltd.
MAC address prefix 7C:97:E1 is registered to Huawei Device Co., Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 7C:97:E1 has a network interface built by Huawei Device 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 7C:97:E1:00:00:00 to 7C:97:E1:FF:FF:FF.
- OUI prefix
- 7C:97:E1
- Hyphen form
- 7C-97-E1
- MAC range
- 7C:97:E1:00:00:00 – 7C:97:E1:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Huawei Device Co., Ltd.
- Address
- No.2 of Xincheng Road, Songshan Lake Zone Dongguan Guangdong CN 523808
- 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 Huawei Device Co., Ltd.
Huawei Device Co., Ltd. holds 660 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.
- 2022-07-11Assigned to "Huawei Device Co., Ltd."archived source →
- 2026-07-17Assigned to "Huawei Device Co., Ltd."
Nearby in the registry
The prefixes assigned immediately before and after 7C:97:E1:
- Philips Healthcare PCCI7C:94:B2
- Extreme Networks, Inc.7C:95:B1
- Cisco Systems, Inc7C:95:F3
- Ningbo Shunyun Electronics Co.,Ltd.7C:96:A0
- Fihonest communication co.,Ltd7C:96:D2
- Openmatics s.r.o.7C:97:63
- Sagemcom Broadband SAS7C:98:24
- Shanghai Notion lnformatio Technology Co.,Ltd.7C:99:2E
- Sector Alarm Tech S.L.7C:99:46
- Apple, Inc.7C:9A:1D
- Vantiva USA LLC7C:9A:54
- VSE valencia smart energy7C:9A:9B
FAQ
- Which company owns MAC address prefix 7C:97:E1?
- MAC address prefix 7C:97:E1 is registered to Huawei Device Co., Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 7C:97:E1 has a network interface built by Huawei Device Co., Ltd..
- What is the OUI 7C:97:E1?
- 7C:97:E1 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Huawei Device Co., Ltd.. It covers every address from 7C:97:E1:00:00:00 to 7C:97:E1:FF:FF:FF, or 16,777,216 addresses in total. It is also written 7C-97-E1.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 7C:97:E1:00:00:00 that is 7C:97:E1 — 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 Huawei Device Co., Ltd. located?
- Huawei Device Co., Ltd. is listed at No.2 of Xincheng Road, Songshan Lake Zone Dongguan Guangdong CN 523808 in the IEEE OUI registry entry for 7C:97:E1. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Huawei Device Co., Ltd. own?
- Huawei Device Co., Ltd. holds 660 OUI prefixes in the IEEE registry, of which 7C:97:E1 is one. A device made by Huawei Device Co., Ltd. could carry a MAC address from any of them.