MAC Address Lookup

SmsTecnologi

Sms Tecnologia Eletronica Ltda — 1 OUI prefix(es)

1 OUI prefix(es)
OUI Prefix MAC Range
00:21:CB 00:21:CB:00:00:00 ~ 00:21:CB:FF:FF:FF
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MAC addresses are assigned by IEEE. Data from Wireshark
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