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MAC prefix 00:15:7D

Assigned by the IEEE to POSDATA.

Prefix
00:15:7D   00-15-7D   0015.7D
Block type
MA-L (16,777,216 addresses)
Address range
00:15:7D:00:00:00 – 00:15:7D:FF:FF:FF
Organization
POSDATA
Registered address
276-2,Seohyeon-dong,Bundang-gu,, Seongnam-City Kyeonggi-Do 463-775, KR
Country
South Korea (KR)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:15:7D:00:00:00

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