Sumitomo Electric Industries, Ltd

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 approximately 16 million MAC addresses

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:

1-1-3
Shimaya
Konohana-ku
Osaka 554-0024
JP.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 27 June 2025

MAC Address Vendor Country JP map