Who owns MAC prefix B40421?

B40421 is registered to zte corporation in the IEEE MA-L registry.

What devices use B40421?

Any network device with a MAC address starting B4:04:21 was manufactured by or for zte corporation.

MA-L · OUI prefix

zte corporation

Any MAC address starting B4:04:21 is registered to zte corporation in CN.

OUI prefix	B40421
Vendor	zte corporation
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	B4:04:21:00:00:00

What this means

The IEEE assigned the MA-L block B40421 to zte 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 B4:04:21, it is zte corporation hardware.

Other zte corporation prefixes

zte corporation holds 499 registered blocks in total.

0015EB 0019C6 002293 002512 0026ED 004A77 0056F1 00E7E3 041DC7 042084 046ECB 049573 all 499 »

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