Who owns MAC prefix E4F365?

E4F365 is registered to Time-O-Matic, Inc. in the IEEE MA-L registry.

What devices use E4F365?

Any network device with a MAC address starting E4:F3:65 was manufactured by or for Time-O-Matic, Inc..

MA-L · OUI prefix

Time-O-Matic, Inc.

Any MAC address starting E4:F3:65 is registered to Time-O-Matic, Inc. in US.

OUI prefix	E4F365
Vendor	Time-O-Matic, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	E4:F3:65:00:00:00

What this means

The IEEE assigned the MA-L block E4F365 to Time-O-Matic, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting E4:F3:65, it is Time-O-Matic, Inc. hardware.

Look up another MAC