What this means
The IEEE assigned the MA-L block 00198A to Northrop Grumman Systems Corp.. 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 00:19:8A, it is Northrop Grumman Systems Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 00198A?
00198A is registered to Northrop Grumman Systems Corp. 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. Northrop Grumman Systems Corp.'s block covers 16,777,216 addresses.
What devices use 00198A?
Any network device with a MAC address starting 00:19:8A was manufactured by or for Northrop Grumman Systems Corp..