Shenzhen Trolink Technology CO, LTD
MAC address prefix 68:B9:D3 is registered to Shenzhen Trolink Technology CO, LTD in the IEEE OUI registry. Any device whose MAC address begins with 68:B9:D3 has a network interface built by Shenzhen Trolink Technology 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 68:B9:D3:00:00:00 to 68:B9:D3:FF:FF:FF.
- OUI prefix
- 68:B9:D3
- Hyphen form
- 68-B9-D3
- MAC range
- 68:B9:D3:00:00:00 – 68:B9:D3:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Shenzhen Trolink Technology CO, LTD
- Address
- 201 B building 4 shijie, Chashu industry 505 block, Baoan airport Sanwei community, Hangcheng street Baoan area. Shenzhen GuangDong CN 518000
- 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 Trolink Technology CO, LTD
Shenzhen Trolink Technology CO, LTD holds 3 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.
- 2020-03-21Assigned to "Shenzhen Trolink Technology CO, LTD"archived source →
- 2026-07-17Assigned to "Shenzhen Trolink Technology CO, LTD"
Nearby in the registry
The prefixes assigned immediately before and after 68:B9:D3:
- Hitron Technologies. Inc68:B6:FC
- Fiberhome Telecommunication Technologies Co.,LTD68:B7:6B
- Beijing Xiaomi Electronics Co.,Ltd68:B8:BB
- Act KDE, Inc.68:B8:D9
- b-plus GmbH68:B9:83
- Earda Technologies co Ltd68:B9:C2
- Cisco Systems, Inc68:BC:0C
- Cisco Systems, Inc68:BD:AB
- Nebula Matrix68:BE:49
- Arista Networks68:BF:6C
- Samsung Electronics Co.,Ltd68:BF:C4
- Xiaomi Communications Co Ltd68:C4:4C
FAQ
- Which company owns MAC address prefix 68:B9:D3?
- MAC address prefix 68:B9:D3 is registered to Shenzhen Trolink Technology CO, LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 68:B9:D3 has a network interface built by Shenzhen Trolink Technology CO, LTD.
- What is the OUI 68:B9:D3?
- 68:B9:D3 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Shenzhen Trolink Technology CO, LTD. It covers every address from 68:B9:D3:00:00:00 to 68:B9:D3:FF:FF:FF, or 16,777,216 addresses in total. It is also written 68-B9-D3.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 68:B9:D3:00:00:00 that is 68:B9:D3 — 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 Trolink Technology CO, LTD located?
- Shenzhen Trolink Technology CO, LTD is listed at 201 B building 4 shijie, Chashu industry 505 block, Baoan airport Sanwei community, Hangcheng street Baoan area. Shenzhen GuangDong CN 518000 in the IEEE OUI registry entry for 68:B9:D3. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Shenzhen Trolink Technology CO, LTD own?
- Shenzhen Trolink Technology CO, LTD holds 3 OUI prefixes in the IEEE registry, of which 68:B9:D3 is one. A device made by Shenzhen Trolink Technology CO, LTD could carry a MAC address from any of them.