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MAC prefix 00:21:B4

Assigned by the IEEE to APRO MEDIA CO., LTD.

Prefix
00:21:B4   00-21-B4   0021.B4
Block type
MA-L (16,777,216 addresses)
Address range
00:21:B4:00:00:00 – 00:21:B4:FF:FF:FF
Organization
APRO MEDIA CO., LTD
Registered address
#13-5,Dodang-Dong,Wonmi-Gu,, Bucheon-City Kyunggi-Do 420-801, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:21:B4:00:00:00

APRO MEDIA CO., LTD holds 1 block in total: see all. Source: IEEE Registration Authority public listing.