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MAC prefix 58:56:9F

Assigned by the IEEE to Cisco Systems, Inc.

Prefix
58:56:9F   58-56-9F   5856.9F
Block type
MA-L (16,777,216 addresses)
Address range
58:56:9F:00:00:00 – 58:56:9F:FF:FF:FF
Organization
Cisco Systems, Inc
Registered address
80 West Tasman Drive, San Jose CA 94568, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 58:56:9F:00:00:00

Cisco Systems, Inc holds 1112 blocks in total: see all. Source: IEEE Registration Authority public listing.