Who owns MAC prefix F83451?

F83451 is registered to Comcast-SRL in the IEEE MA-L registry.

What devices use F83451?

Any network device with a MAC address starting F8:34:51 was manufactured by or for Comcast-SRL.

MA-L · OUI prefix

Comcast-SRL

Any MAC address starting F8:34:51 is registered to Comcast-SRL in DO.

OUI prefix	F83451
Vendor	Comcast-SRL
Registry	MA-L (24-bit, large block)
Country	DO
Example MAC	F8:34:51:00:00:00

What this means

The IEEE assigned the MA-L block F83451 to Comcast-SRL. 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 F8:34:51, it is Comcast-SRL hardware.

Other Comcast-SRL prefixes

Comcast-SRL holds 3 registered blocks in total.

0069676 787264C

Look up another MAC