Earda Technologies co Ltd
MAC address prefix 68:B9:C2 is registered to Earda Technologies co Ltd in the IEEE OUI registry. Any device whose MAC address begins with 68:B9:C2 has a network interface built by Earda 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 68:B9:C2:00:00:00 to 68:B9:C2:FF:FF:FF.
- OUI prefix
- 68:B9:C2
- Hyphen form
- 68-B9-C2
- MAC range
- 68:B9:C2:00:00:00 – 68:B9:C2:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Earda Technologies co Ltd
- Address
- Block A,Lianfeng Creative Park, #2 Jisheng Rd., Nansha District Guangzhou Guangdong CN 511455
- 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 Earda Technologies co Ltd
Earda Technologies co Ltd holds 25 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.
- 2022-07-11Assigned to "Earda Technologies co Ltd"archived source →
- 2026-07-17Assigned to "Earda Technologies co Ltd"
Nearby in the registry
The prefixes assigned immediately before and after 68:B9:C2:
- Espressif Inc.68:B6:B3
- 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
- Shenzhen Trolink Technology CO, LTD68:B9:D3
- Cisco Systems, Inc68:BC:0C
- Cisco Systems, Inc68:BD:AB
- Nebula Matrix68:BE:49
- Arista Networks68:BF:6C
- Samsung Electronics Co.,Ltd68:BF:C4
FAQ
- Which company owns MAC address prefix 68:B9:C2?
- MAC address prefix 68:B9:C2 is registered to Earda Technologies co Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 68:B9:C2 has a network interface built by Earda Technologies co Ltd.
- What is the OUI 68:B9:C2?
- 68:B9:C2 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Earda Technologies co Ltd. It covers every address from 68:B9:C2:00:00:00 to 68:B9:C2:FF:FF:FF, or 16,777,216 addresses in total. It is also written 68-B9-C2.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 68:B9:C2:00:00:00 that is 68:B9:C2 — 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 Earda Technologies co Ltd located?
- Earda Technologies co Ltd is listed at Block A,Lianfeng Creative Park, #2 Jisheng Rd., Nansha District Guangzhou Guangdong CN 511455 in the IEEE OUI registry entry for 68:B9:C2. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Earda Technologies co Ltd own?
- Earda Technologies co Ltd holds 25 OUI prefixes in the IEEE registry, of which 68:B9:C2 is one. A device made by Earda Technologies co Ltd could carry a MAC address from any of them.