What this means
The IEEE assigned the MA-M block 0825321 to SERCOMM PHILIPPINES INC. 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 08:25:32:1, it is SERCOMM PHILIPPINES INC hardware.
Frequently Asked Questions
Who owns MAC prefix 0825321?
0825321 is registered to SERCOMM PHILIPPINES INC 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. SERCOMM PHILIPPINES INC's block covers 1,048,576 addresses.
What devices use 0825321?
Any network device with a MAC address starting 08:25:32:1 was manufactured by or for SERCOMM PHILIPPINES INC.