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MAC prefix 00:04:EF

Assigned by the IEEE to Polestar Corp..

Prefix
00:04:EF   00-04-EF   0004.EF
Block type
MA-L (16,777,216 addresses)
Address range
00:04:EF:00:00:00 – 00:04:EF:FF:FF:FF
Organization
Polestar Corp.
Registered address
RM #802 SeoGeon B/D, 1480,, Korea (ROK), KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:04:EF:00:00:00

Polestar Corp. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.