Zioncom Electronics (Shenzhen) Ltd.
MAC address prefix 40:EE:15 is registered to Zioncom Electronics (Shenzhen) Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 40:EE:15 has a network interface built by Zioncom Electronics (Shenzhen) 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 40:EE:15:00:00:00 to 40:EE:15:FF:FF:FF.
- OUI prefix
- 40:EE:15
- Hyphen form
- 40-EE-15
- MAC range
- 40:EE:15:00:00:00 – 40:EE:15:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Zioncom Electronics (Shenzhen) Ltd.
- Address
- A1&A2 Building,Lantian Technology Park, Xinyu Road, Xingqiao Henggang Block, Shajing Street, Baoan District 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 Zioncom Electronics (Shenzhen) Ltd.
Zioncom Electronics (Shenzhen) Ltd. holds 8 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.
- 2020-11-28Assigned to "Zioncom Electronics (Shenzhen) Ltd."archived source →
- 2026-07-17Assigned to "Zioncom Electronics (Shenzhen) Ltd."
Nearby in the registry
The prefixes assigned immediately before and after 40:EE:15:
- Intel Corporate40:EC:BD
- Siemens AG40:EC:F8
- TP-Link Systems Inc40:ED:00
- Zscaler40:ED:7B
- IEEE Registration Authority40:ED:98
- Apple, Inc.40:ED:CF
- HUAWEI TECHNOLOGIES CO.,LTD40:EE:6D
- NXP Semiconductor (Tianjin) LTD.40:EE:BE
- HUAWEI TECHNOLOGIES CO.,LTD40:EE:DD
- Fihonest communication co.,Ltd40:EF:4C
- Liteon Technology Corporation40:F0:2F
- Integrated Device Technology (Malaysia) Sdn. Bhd.40:F0:4E
FAQ
- Which company owns MAC address prefix 40:EE:15?
- MAC address prefix 40:EE:15 is registered to Zioncom Electronics (Shenzhen) Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 40:EE:15 has a network interface built by Zioncom Electronics (Shenzhen) Ltd..
- What is the OUI 40:EE:15?
- 40:EE:15 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Zioncom Electronics (Shenzhen) Ltd.. It covers every address from 40:EE:15:00:00:00 to 40:EE:15:FF:FF:FF, or 16,777,216 addresses in total. It is also written 40-EE-15.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 40:EE:15:00:00:00 that is 40:EE:15 — 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 Zioncom Electronics (Shenzhen) Ltd. located?
- Zioncom Electronics (Shenzhen) Ltd. is listed at A1&A2 Building,Lantian Technology Park, Xinyu Road, Xingqiao Henggang Block, Shajing Street, Baoan District Shenzhen Guangdong CN 518000 in the IEEE OUI registry entry for 40:EE:15. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Zioncom Electronics (Shenzhen) Ltd. own?
- Zioncom Electronics (Shenzhen) Ltd. holds 8 OUI prefixes in the IEEE registry, of which 40:EE:15 is one. A device made by Zioncom Electronics (Shenzhen) Ltd. could carry a MAC address from any of them.