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MAC prefix 08:00:13

Assigned by the IEEE to Exxon.

Prefix
08:00:13   08-00-13   0800.13
Block type
MA-L (16,777,216 addresses)
Address range
08:00:13:00:00:00 – 08:00:13:FF:FF:FF
Organization
Exxon
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 08:00:13:00:00:00

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