Who owns MAC prefix 00901A?

00901A is registered to UNISPHERE SOLUTIONS in the IEEE MA-L registry.

What devices use 00901A?

Any network device with a MAC address starting 00:90:1A was manufactured by or for UNISPHERE SOLUTIONS.

MA-L · OUI prefix

UNISPHERE SOLUTIONS

Any MAC address starting 00:90:1A is registered to UNISPHERE SOLUTIONS in US.

OUI prefix	00901A
Vendor	UNISPHERE SOLUTIONS
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:90:1A:00:00:00

What this means

The IEEE assigned the MA-L block 00901A to UNISPHERE SOLUTIONS. 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 00:90:1A, it is UNISPHERE SOLUTIONS hardware.

Look up another MAC