What this means
The IEEE assigned the MA-L block 007B18 to SENTRY Co., LTD.. 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 00:7B:18, it is SENTRY Co., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 007B18?
007B18 is registered to SENTRY Co., LTD. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. SENTRY Co., LTD.'s block covers 16,777,216 addresses.
What devices use 007B18?
Any network device with a MAC address starting 00:7B:18 was manufactured by or for SENTRY Co., LTD..