SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD.
MAC address prefix 44:F9:71 is registered to SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. in the IEEE OUI registry. Any device whose MAC address begins with 44:F9:71 has a network interface built by SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES 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 44:F9:71:00:00:00 to 44:F9:71:FF:FF:FF.
- OUI prefix
- 44:F9:71
- Hyphen form
- 44-F9-71
- MAC range
- 44:F9:71:00:00:00 – 44:F9:71:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD.
- Address
- 6th Floor, South Section, Building 23, Keyuan West, NO.1 Kezhi West Road, Science and Technology Community, Yuehai Street, Nanshan District Shenzhen Guangdong CN 518057
- 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 SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD.
SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. holds 20 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.
- 2019-08-04Assigned to "SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD."archived source →
- 2026-07-17Assigned to "SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD."
Nearby in the registry
The prefixes assigned immediately before and after 44:F9:71:
- Juniper Networks44:F4:77
- Cohesity Inc44:F4:E7
- Earda Technologies co Ltd44:F5:3E
- Beijing Xiaomi Mobile Software Co., Ltd44:F7:70
- CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.44:F7:9F
- Union Pacific Railroad44:F8:49
- CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.44:FA:66
- Apple, Inc.44:FB:42
- zte corporation44:FB:5A
- vivo Mobile Communication Co., Ltd.44:FB:76
- Everysight LTD.44:FD:A3
- Arcadyan Corporation44:FE:3B
FAQ
- Which company owns MAC address prefix 44:F9:71?
- MAC address prefix 44:F9:71 is registered to SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 44:F9:71 has a network interface built by SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD..
- What is the OUI 44:F9:71?
- 44:F9:71 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD.. It covers every address from 44:F9:71:00:00:00 to 44:F9:71:FF:FF:FF, or 16,777,216 addresses in total. It is also written 44-F9-71.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 44:F9:71:00:00:00 that is 44:F9:71 — 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 MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. located?
- SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. is listed at 6th Floor, South Section, Building 23, Keyuan West, NO.1 Kezhi West Road, Science and Technology Community, Yuehai Street, Nanshan District Shenzhen Guangdong CN 518057 in the IEEE OUI registry entry for 44:F9:71. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. own?
- SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. holds 20 OUI prefixes in the IEEE registry, of which 44:F9:71 is one. A device made by SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. could carry a MAC address from any of them.