Shenzhen Guowei Shidai Communication Equipement Co., Ltd
MAC address prefix 5C:49:FA is registered to Shenzhen Guowei Shidai Communication Equipement Co., Ltd in the IEEE OUI registry. Any device whose MAC address begins with 5C:49:FA has a network interface built by Shenzhen Guowei Shidai Communication Equipement 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 5C:49:FA:00:00:00 to 5C:49:FA:FF:FF:FF.
- OUI prefix
- 5C:49:FA
- Hyphen form
- 5C-49-FA
- MAC range
- 5C:49:FA:00:00:00 – 5C:49:FA:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Shenzhen Guowei Shidai Communication Equipement Co., Ltd
- Address
- 2202, Yili science & Technology Park Workshop, No.596-2, Dahe Village, Guancheng Community, Guanhu Street, Longhua District, S SHENZHEN CN 518000
- 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.
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 "Shenzhen Guowei Shidai Communication Equipement Co., Ltd"archived source →
- 2026-07-17Assigned to "Shenzhen Guowei Shidai Communication Equipement Co., Ltd"
Nearby in the registry
The prefixes assigned immediately before and after 5C:49:FA:
- SIMCom Wireless Solutions Limited5C:46:B0
- Ring LLC5C:47:5E
- Hangzhou Anysoft Information Technology Co. , Ltd5C:48:42
- HUAWEI TECHNOLOGIES CO.,LTD5C:48:79
- AVM Audiovisuelles Marketing und Computersysteme GmbH5C:49:79
- Samsung Electronics Co.,Ltd5C:49:7D
- Sichuan Tianyi Comheart Telecom Co.,LTD5C:4A:1F
- Enguity Technology Corp5C:4A:26
- HUAWEI TECHNOLOGIES CO.,LTD5C:4C:A9
- zte corporation5C:4D:BF
- AltoBeam Inc.5C:4E:EE
- Cisco Systems, Inc5C:50:15
FAQ
- Which company owns MAC address prefix 5C:49:FA?
- MAC address prefix 5C:49:FA is registered to Shenzhen Guowei Shidai Communication Equipement Co., Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 5C:49:FA has a network interface built by Shenzhen Guowei Shidai Communication Equipement Co., Ltd.
- What is the OUI 5C:49:FA?
- 5C:49:FA is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Shenzhen Guowei Shidai Communication Equipement Co., Ltd. It covers every address from 5C:49:FA:00:00:00 to 5C:49:FA:FF:FF:FF, or 16,777,216 addresses in total. It is also written 5C-49-FA.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 5C:49:FA:00:00:00 that is 5C:49:FA — 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 Shenzhen Guowei Shidai Communication Equipement Co., Ltd located?
- Shenzhen Guowei Shidai Communication Equipement Co., Ltd is listed at 2202, Yili science & Technology Park Workshop, No.596-2, Dahe Village, Guancheng Community, Guanhu Street, Longhua District, S SHENZHEN CN 518000 in the IEEE OUI registry entry for 5C:49:FA. This is the address the organization registered with the IEEE, which may differ from its current operating address.