Who owns MAC prefix 38A3E0?

38A3E0 is registered to 1Finity Inc in the IEEE MA-L registry.

What devices use 38A3E0?

Any network device with a MAC address starting 38:A3:E0 was manufactured by or for 1Finity Inc.

MA-L · OUI prefix

1Finity Inc

Any MAC address starting 38:A3:E0 is registered to 1Finity Inc in JP.

OUI prefix	38A3E0
Vendor	1Finity Inc
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	38:A3:E0:00:00:00

What this means

The IEEE assigned the MA-L block 38A3E0 to 1Finity 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 38:A3:E0, it is 1Finity Inc hardware.

Other 1Finity Inc prefixes

1Finity Inc holds 2 registered blocks in total.

8C1F64EB4

Look up another MAC