Who owns MAC prefix A4E4B8?

A4E4B8 is registered to BlackBerry RTS in the IEEE MA-L registry.

What devices use A4E4B8?

Any network device with a MAC address starting A4:E4:B8 was manufactured by or for BlackBerry RTS.

MA-L · OUI prefix

BlackBerry RTS

Any MAC address starting A4:E4:B8 is registered to BlackBerry RTS.

OUI prefix	A4E4B8
Vendor	BlackBerry RTS
Registry	MA-L (24-bit, large block)
Example MAC	A4:E4:B8:00:00:00

What this means

The IEEE assigned the MA-L block A4E4B8 to BlackBerry RTS. 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 A4:E4:B8, it is BlackBerry RTS hardware.

Other BlackBerry RTS prefixes

BlackBerry RTS holds 13 registered blocks in total.

000F86 001CCC 002557 0026FF 1C69A5 34BB1F 406F2A 489D24 68ED43 70AAB2 94EBCD F40B93

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