TP-LINK TECHNOLOGIES CO.,LTD.
MAC address prefix 54:A7:03 is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE OUI registry. Any device whose MAC address begins with 54:A7:03 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 54:A7:03:00:00:00 to 54:A7:03:FF:FF:FF.
- OUI prefix
- 54:A7:03
- Hyphen form
- 54-A7-03
- MAC range
- 54:A7:03:00:00:00 – 54:A7:03: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.
- 2018-12-21Assigned 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 54:A7:03:
- NSC Communications Siberia Ltd54:A5:4B
- Shenzhen WeSing Interactive Entertainment Technology Co., Ltd54:A5:52
- Alcatel-Lucent Shanghai Bell Co., Ltd54:A6:19
- HUAWEI TECHNOLOGIES CO.,LTD54:A6:37
- Vantiva USA LLC54:A6:5C
- Huawei Device Co., Ltd.54:A6:DB
- HUNAN AIMAG INTELLIGENT TECHNOLOGY CO.,LTD54:A7:A0
- Home Control Singapore Pte Ltd54:A9:C8
- Minibar Systems54:A9:D4
- Quanta Computer Inc.54:AB:3A
- LIZN ApS54:AC:FC
- Apple, Inc.54:AE:27
FAQ
- Which company owns MAC address prefix 54:A7:03?
- MAC address prefix 54:A7:03 is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 54:A7:03 has a network interface built by TP-LINK TECHNOLOGIES CO.,LTD..
- What is the OUI 54:A7:03?
- 54:A7:03 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 54:A7:03:00:00:00 to 54:A7:03:FF:FF:FF, or 16,777,216 addresses in total. It is also written 54-A7-03.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 54:A7:03:00:00:00 that is 54:A7:03 — 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 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 54:A7:03. 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 54:A7:03 is one. A device made by TP-LINK TECHNOLOGIES CO.,LTD. could carry a MAC address from any of them.