SERNET (SUZHOU) TECHNOLOGIES CORPORATION - MAC Prefix 381F261 (MA-M)

What this means

The IEEE assigned the MA-M block 381F261 to SERNET (SUZHOU) TECHNOLOGIES CORPORATION. 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 38:1F:26:1, it is SERNET (SUZHOU) TECHNOLOGIES CORPORATION hardware.

Frequently Asked Questions

Who owns MAC prefix 381F261?

381F261 is registered to SERNET (SUZHOU) TECHNOLOGIES CORPORATION 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. SERNET (SUZHOU) TECHNOLOGIES CORPORATION's block covers 1,048,576 addresses.

What devices use 381F261?

Any network device with a MAC address starting 38:1F:26:1 was manufactured by or for SERNET (SUZHOU) TECHNOLOGIES CORPORATION.

Other SERNET (SUZHOU) TECHNOLOGIES CORPORATION prefixes

SERNET (SUZHOU) TECHNOLOGIES CORPORATION holds 27 registered blocks in total.

OUI prefix	381F261
Vendor	SERNET (SUZHOU) TECHNOLOGIES CORPORATION
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	CN
Other blocks by this vendor	27 total
Example MAC	38:1F:26:1:00:00:00