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MAC prefix 30:F4:2F

Assigned by the IEEE to ESP.

Prefix
30:F4:2F   30-F4-2F   30F4.2F
Block type
MA-L (16,777,216 addresses)
Address range
30:F4:2F:00:00:00 – 30:F4:2F:FF:FF:FF
Organization
ESP
Registered address
126-1 Pyeongchon-dong, Dongan-gu, Anyang-si Gyeonggi-do 431-755, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 30:F4:2F:00:00:00

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