What devices use B81E61?

Any network device with a MAC address starting B8:1E:61 was manufactured by or for TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO.

MA-L · OUI prefix

TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO

Q: Who owns MAC prefix B81E61?

B81E61 is registered to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO in the IEEE MA-L registry.

Any MAC address starting B8:1E:61 is registered to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO in BR.

OUI prefix	B81E61
Vendor	TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO
Registry	MA-L (24-bit, large block)
Country	BR
Example MAC	B8:1E:61:00:00:00

What this means

The IEEE assigned the MA-L block B81E61 to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO. 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 B8:1E:61, it is TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO hardware.

Other TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO prefixes

TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO holds 9 registered blocks in total.

104121 107223 44896D 542F8A 68D40C 78E9CF 94EAEA F45420

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