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MAC prefix 88:40:67

Assigned by the IEEE to infomark.

Prefix
88:40:67   88-40-67   8840.67
Block type
MA-L (16,777,216 addresses)
Address range
88:40:67:00:00:00 – 88:40:67:FF:FF:FF
Organization
infomark
Registered address
3F. Humaxvillage, 216 Hwangsaeul-ro, Seongnam-si 13595, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 88:40:67:00:00:00

infomark holds 3 blocks in total: see all. Source: IEEE Registration Authority public listing.