MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
KEI SYSTEM Co., Ltd.
MAC address prefix 6C:47:80:0 is registered to KEI SYSTEM Co., Ltd., located at 2-2-23 KishinosatoNishinari WardOsaka City Osaka 557-0041JP.
This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses
The prefix was registered on 02 February 2026, and no subsequent updates have been recorded.
OUI: 6C:47:80:0
Vendor name: KEI SYSTEM Co., Ltd.
Address:
Assignment Type MA-M 2-2-23 Kishinosato
Nishinari Ward
Osaka City Osaka 557-0041
JP.
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Initial registration: 02 February 2026
