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MAC prefix 00:DA:55

Assigned by the IEEE to Cisco Systems, Inc.

Prefix
00:DA:55   00-DA-55   00DA.55
Block type
MA-L (16,777,216 addresses)
Address range
00:DA:55:00:00:00 – 00:DA:55: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 00:DA:55:00:00:00

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