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MAC prefix 50:9F:3B

Assigned by the IEEE to OI ELECTRIC CO.,LTD.

Prefix
50:9F:3B   50-9F-3B   509F.3B
Block type
MA-L (16,777,216 addresses)
Address range
50:9F:3B:00:00:00 – 50:9F:3B:FF:FF:FF
Organization
OI ELECTRIC CO.,LTD
Registered address
7-3-16 KIKUNA, YOKOHAMA KANAGAWA-KEN 222-0011, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 50:9F:3B:00:00:00

OI ELECTRIC CO.,LTD holds 4 blocks in total: see all. Source: IEEE Registration Authority public listing.