MAC Address Lookup

Esp

Esp Systems, Llc — 2 OUI prefix(es)

2 OUI prefix(es)
OUI Prefix MAC Range
00:21:EB 00:21:EB:00:00:00 ~ 00:21:EB:FF:FF:FF
30:F4:2F 30:F4:2F:00:00:00 ~ 30:F4:2F:FF:FF:FF
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MAC addresses are assigned by IEEE. Data from Wireshark
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