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MAC prefix 74:34:AE

Assigned by the IEEE to this is engineering Inc..

Prefix
74:34:AE   74-34-AE   7434.AE
Block type
MA-L (16,777,216 addresses)
Address range
74:34:AE:00:00:00 – 74:34:AE:FF:FF:FF
Organization
this is engineering Inc.
Registered address
352, 815 Daewangpangyo-ro, Sujeong-gu, Seongnam-si Gyeonggi-do 13449, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 74:34:AE:00:00:00

this is engineering Inc. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.