TP-LINK TECHNOLOGIES CO.,LTD.
MAC address prefix C4:71:54 is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE OUI registry. Any device whose MAC address begins with C4:71:54 has a network interface built by TP-LINK 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 C4:71:54:00:00:00 to C4:71:54:FF:FF:FF.
- OUI prefix
- C4:71:54
- Hyphen form
- C4-71-54
- MAC range
- C4:71:54:00:00:00 – C4:71:54:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- TP-LINK TECHNOLOGIES CO.,LTD.
- Address
- Building 24(floors 1,3,4,5)and 28(floors 1-4)Central Science and Technology Park,Shennan Road,Nanshan 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 TP-LINK TECHNOLOGIES CO.,LTD.
TP-LINK TECHNOLOGIES CO.,LTD. holds 174 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.
- 2017-09-08Assigned to "TP-LINK TECHNOLOGIES CO.,LTD."archived source →
- 2026-07-17Assigned to "TP-LINK TECHNOLOGIES CO.,LTD."
Nearby in the registry
The prefixes assigned immediately before and after C4:71:54:
- SHENZHEN RF-LINK TECHNOLOGY CO.,LTD.C4:6E:7B
- GUANGZHOU CHIP TECHNOLOGIES CO.,LTDC4:70:0B
- Ruijie Networks Co.,LTDC4:70:AB
- Mellanox Technologies, Inc.C4:70:BD
- Xiaomi Communications Co LtdC4:71:0F
- Fon Technology S.L.C4:71:30
- Cisco Systems, IncC4:71:FE
- Cisco Systems, IncC4:72:95
- Samsung Electronics Co.,LtdC4:73:1E
- zte corporationC4:74:1E
- BT9C4:74:69
- Hot Pepper, Inc.C4:74:F8
FAQ
- Which company owns MAC address prefix C4:71:54?
- MAC address prefix C4:71:54 is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C4:71:54 has a network interface built by TP-LINK TECHNOLOGIES CO.,LTD..
- What is the OUI C4:71:54?
- C4:71:54 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to TP-LINK TECHNOLOGIES CO.,LTD.. It covers every address from C4:71:54:00:00:00 to C4:71:54:FF:FF:FF, or 16,777,216 addresses in total. It is also written C4-71-54.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in C4:71:54:00:00:00 that is C4:71:54 — 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 TP-LINK TECHNOLOGIES CO.,LTD. located?
- TP-LINK TECHNOLOGIES CO.,LTD. is listed at Building 24(floors 1,3,4,5)and 28(floors 1-4)Central Science and Technology Park,Shennan Road,Nanshan Shenzhen Guangdong CN 518057 in the IEEE OUI registry entry for C4:71:54. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does TP-LINK TECHNOLOGIES CO.,LTD. own?
- TP-LINK TECHNOLOGIES CO.,LTD. holds 174 OUI prefixes in the IEEE registry, of which C4:71:54 is one. A device made by TP-LINK TECHNOLOGIES CO.,LTD. could carry a MAC address from any of them.