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MAC prefix 00:21:00

Assigned by the IEEE to Gemtek Technology Co., Ltd..

Prefix
00:21:00   00-21-00   0021.00
Block type
MA-L (16,777,216 addresses)
Address range
00:21:00:00:00:00 – 00:21:00:FF:FF:FF
Organization
Gemtek Technology Co., Ltd.
Registered address
No.1 Jen Ai Road, Hsinchu Industrial Park,, Hukou, Hsinchu 303, TW
Country
Taiwan (TW)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

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

Gemtek Technology Co., Ltd. holds 14 blocks in total: see all. Source: IEEE Registration Authority public listing.