Who owns MAC prefix 00140E?

00140E is registered to Nortel Networks in the IEEE MA-L registry.

What devices use 00140E?

Any network device with a MAC address starting 00:14:0E was manufactured by or for Nortel Networks.

MA-L · OUI prefix

Nortel Networks

Any MAC address starting 00:14:0E is registered to Nortel Networks in CA.

OUI prefix	00140E
Vendor	Nortel Networks
Registry	MA-L (24-bit, large block)
Country	CA
Example MAC	00:14:0E:00:00:00

What this means

The IEEE assigned the MA-L block 00140E to Nortel Networks. 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 00:14:0E, it is Nortel Networks hardware.

Other Nortel Networks prefixes

Nortel Networks holds 68 registered blocks in total.

00025F 00034B 0004DC 000CF7 000CF8 000E40 000E62 000075 000181 000342 000438 000997 all 68 »

Look up another MAC