Guangzhou Horizontal Information & Network Integration Co. Ltd
Any device whose MAC address begins with B8:20:E7 has a network interface built by Guangzhou Horizontal Information & Network Integration 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
- B8:20:E7
- Organization
- Guangzhou Horizontal Information & Network Integration Co. Ltd
- Address
- Floor 10¬Golden Star Building¬Wushan Hanjing Road¬Tianhe District¬Guangzhou City Guangzhou Guangdong Province CN 510630
- 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 "Guangzhou Horizontal Information & Network Integration Co. Ltd"