TP-LINK TECHNOLOGIES CO.,LTD.
MAC address prefix 44:B3:2D is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE OUI registry. Any device whose MAC address begins with 44:B3:2D 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 44:B3:2D:00:00:00 to 44:B3:2D:FF:FF:FF.
- OUI prefix
- 44:B3:2D
- Hyphen form
- 44-B3-2D
- MAC range
- 44:B3:2D:00:00:00 – 44:B3:2D: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 (floors1-4) Shennan Rd, Nanshan Shenzhen,Guangdong Province 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 44:B3:2D:
- Cisco Systems, Inc44:AE:25
- Huawei Device Co., Ltd.44:AE:44
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD44:AE:AB
- Intel Corporate44:AF:28
- Espressif Inc.44:B1:76
- Sichuan AI-Link Technology Co., Ltd.44:B2:95
- Kuang-chi Institute of Advanced Technology44:B3:82
- Huawei Device Co., Ltd.44:B3:C5
- SIUS AG44:B4:12
- HANWHA VISION VIETNAM COMPANY LIMITED44:B4:23
- tide.co.,ltd44:B4:33
- Flextronics Tech.(Ind) Pvt Ltd44:B4:62
FAQ
- Which company owns MAC address prefix 44:B3:2D?
- MAC address prefix 44:B3:2D is registered to TP-LINK TECHNOLOGIES CO.,LTD. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 44:B3:2D has a network interface built by TP-LINK TECHNOLOGIES CO.,LTD..
- What is the OUI 44:B3:2D?
- 44:B3:2D 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 44:B3:2D:00:00:00 to 44:B3:2D:FF:FF:FF, or 16,777,216 addresses in total. It is also written 44-B3-2D.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 44:B3:2D:00:00:00 that is 44:B3:2D — 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 (floors1-4) Shennan Rd, Nanshan Shenzhen,Guangdong Province CN 518057 in the IEEE OUI registry entry for 44:B3:2D. 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 44:B3:2D is one. A device made by TP-LINK TECHNOLOGIES CO.,LTD. could carry a MAC address from any of them.