HTTPfy

MAC prefix 50:39:55

Assigned by the IEEE to Cisco SPVTG.

Prefix
50:39:55   50-39-55   5039.55
Block type
MA-L (16,777,216 addresses)
Address range
50:39:55:00:00:00 – 50:39:55: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 50:39:55:00:00:00

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