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MAC prefix 18:55:0F

Assigned by the IEEE to Cisco SPVTG.

Prefix
18:55:0F   18-55-0F   1855.0F
Block type
MA-L (16,777,216 addresses)
Address range
18:55:0F:00:00:00 – 18:55:0F:FF:FF:FF
Organization
Cisco SPVTG
Registered address
5030 Sugarloaf Parkway, Lawrenceville GA 30044, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 18:55:0F:00:00:00

Cisco SPVTG holds 41 blocks in total: see all. Source: IEEE Registration Authority public listing.