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MAC prefix 00:90:90

Assigned by the IEEE to I-BUS.

Prefix
00:90:90   00-90-90   0090.90
Block type
MA-L (16,777,216 addresses)
Address range
00:90:90:00:00:00 – 00:90:90:FF:FF:FF
Organization
I-BUS
Registered address
9174 SKY PARK COURT, SAN DIEGO CA 92123, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:90:90:00:00:00

I-BUS holds 1 block in total: see all. Source: IEEE Registration Authority public listing.