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MAC prefix 00:00:21

Assigned by the IEEE to SUREMAN COMP. & COMMUN. CORP..

Prefix
00:00:21   00-00-21   0000.21
Block type
MA-L (16,777,216 addresses)
Address range
00:00:21:00:00:00 – 00:00:21:FF:FF:FF
Organization
SUREMAN COMP. & COMMUN. CORP.
Registered address
10F-5 NO. 7, SEC. 3, TAIPEI TAIWAN, R.O.C., TW
Country
Taiwan (TW)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

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

SUREMAN COMP. & COMMUN. CORP. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.