MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address prefix 44:38:8C is registered to Sumitomo Electric Industries, Ltd, located at 1-1-3ShimayaKonohana-kuOsaka 554-0024JP.
This registration is classified as MA-L (Mac Address Block Large) containing 16,777,216 MAC addresses (2^24)
The prefix was registered on 27 June 2025, and no subsequent updates have been recorded.
OUI: 44:38:8C
Vendor name: Sumitomo Electric Industries, Ltd
Address:
Assignment Type MA-L 1-1-3
Shimaya
Konohana-ku
Osaka 554-0024
JP.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 27 June 2025
