Life Technology (China) Co., Ltd
Any device whose MAC address begins with 40:70:74 has a network interface built by Life Technology (China) Co., Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 40:70:74
- Organization
- Life Technology (China) Co., Ltd
- Address
- No.1, 2F, Nanshan Digital Culture Industrial base (East Tower Podium) 10128 Shennan Blvd, Nanshan Dist. 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.
Assignment history (1)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2026-07-17Assigned to "Life Technology (China) Co., Ltd"