What this means
The IEEE assigned the MA-M block C498942 to Metasphere 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 C4:98:94:2, it is Metasphere Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix C498942?
C498942 is registered to Metasphere Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Metasphere Ltd's block covers 1,048,576 addresses.
What devices use C498942?
Any network device with a MAC address starting C4:98:94:2 was manufactured by or for Metasphere Ltd.