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MAC prefix E4:B0:21

Assigned by the IEEE to Samsung Electronics Co.,Ltd.

Prefix
E4:B0:21   E4-B0-21   E4B0.21
Block type
MA-L (16,777,216 addresses)
Address range
E4:B0:21:00:00:00 – E4:B0:21:FF:FF:FF
Organization
Samsung Electronics Co.,Ltd
Registered address
#94-1,Imsoo-Dong, Gumi Gyeongbuk 730-350, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up E4:B0:21:00:00:00

Samsung Electronics Co.,Ltd holds 781 blocks in total: see all. Source: IEEE Registration Authority public listing.