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MAC prefix 00:03:91

Assigned by the IEEE to Advanced Digital Broadcast, Ltd..

Prefix
00:03:91   00-03-91   0003.91
Block type
MA-L (16,777,216 addresses)
Address range
00:03:91:00:00:00 – 00:03:91:FF:FF:FF
Organization
Advanced Digital Broadcast, Ltd.
Registered address
8F, 145 Chung Shan N. Rd. Sec. 2,, TAIWAN TAIWAN R.O.C., TW
Country
Taiwan (TW)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:03:91:00:00:00

Advanced Digital Broadcast SA holds 4 blocks in total: see all. Source: IEEE Registration Authority public listing.