MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address prefix 10:A8:5B is registered to Espressif Systems (Singapore) Pte. Ltd, located at 1 FUSIONOPOLIS VIEW#07-02ECLIPSESingapore 138577SG.
This registration is classified as MA-L (Mac Address Block Large) containing 16,777,216 MAC addresses (2^24)
The prefix was registered on 26 September 2026, and no subsequent updates have been recorded.
OUI: 10:A8:5B
Vendor name: Espressif Systems (Singapore) Pte. Ltd
Address:
Assignment Type MA-L 1 FUSIONOPOLIS VIEW#07-02ECLIPSE
Singapore 138577
SG.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 26 September 2026
