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MAC prefix 00:60:3D

Assigned by the IEEE to 3CX.

Prefix
00:60:3D   00-60-3D   0060.3D
Block type
MA-L (16,777,216 addresses)
Address range
00:60:3D:00:00:00 – 00:60:3D:FF:FF:FF
Organization
3CX
Registered address
2085 HAMILTON AVE., -STE.#220, SAN JOSE CA 95125, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:60:3D:00:00:00

3CX holds 1 block in total: see all. Source: IEEE Registration Authority public listing.