Who owns MAC prefix 0030A8?

0030A8 is registered to OL'E COMMUNICATIONS, INC. in the IEEE MA-L registry.

What devices use 0030A8?

Any network device with a MAC address starting 00:30:A8 was manufactured by or for OL'E COMMUNICATIONS, INC..

MA-L · OUI prefix

OL'E COMMUNICATIONS, INC.

Any MAC address starting 00:30:A8 is registered to OL'E COMMUNICATIONS, INC. in US.

OUI prefix	0030A8
Vendor	OL'E COMMUNICATIONS, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:30:A8:00:00:00

What this means

The IEEE assigned the MA-L block 0030A8 to OL'E COMMUNICATIONS, 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 00:30:A8, it is OL'E COMMUNICATIONS, INC. hardware.

Look up another MAC