TP-LINK TECHNOLOGIES CO.,LTD.
MAC address prefix A4:2B:B0 is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE OUI registry. Any device whose MAC address begins with A4:2B:B0 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 A4:2B:B0:00:00:00 to A4:2B:B0:FF:FF:FF.
- OUI prefix
- A4:2B:B0
- Hyphen form
- A4-2B-B0
- MAC range
- A4:2B:B0:00:00:00 – A4:2B:B0: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.
- 2016-07-29Assigned 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 A4:2B:B0:
- Sichuan AI-Link Technology Co., Ltd.A4:29:85
- blueskyA4:29:B7
- GD Midea Air-Conditioning Equipment Co.,Ltd.A4:2A:26
- Sichuan Tianyi Comheart Telecom Co.,LTDA4:2A:71
- D-Link InternationalA4:2A:95
- NETGEARA4:2B:8C
- Masterwork AutomodulesA4:2C:08
- Motorola Mobility LLC, a Lenovo CompanyA4:2D:F1
- Samsung Electronics Co.,LtdA4:30:7A
- ZIVA4:31:11
- Apple, Inc.A4:31:35
- Fibrlink Communications Co.,Ltd.A4:33:D1
FAQ
- Which company owns MAC address prefix A4:2B:B0?
- MAC address prefix A4:2B:B0 is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A4:2B:B0 has a network interface built by TP-LINK TECHNOLOGIES CO.,LTD..
- What is the OUI A4:2B:B0?
- A4:2B:B0 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 A4:2B:B0:00:00:00 to A4:2B:B0:FF:FF:FF, or 16,777,216 addresses in total. It is also written A4-2B-B0.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in A4:2B:B0:00:00:00 that is A4:2B:B0 — 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 A4:2B:B0. 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 A4:2B:B0 is one. A device made by TP-LINK TECHNOLOGIES CO.,LTD. could carry a MAC address from any of them.