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MAC prefix 30:B8:51

Assigned by the IEEE to Siemens AG.

Prefix
30:B8:51   30-B8-51   30B8.51
Block type
MA-L (16,777,216 addresses)
Address range
30:B8:51:00:00:00 – 30:B8:51:FF:FF:FF
Organization
Siemens AG
Registered address
Werner-von-Siemens-Str. 50, Amberg 92224, DE
Country
Germany (DE)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 30:B8:51:00:00:00

Siemens AG holds 18 blocks in total: see all. Source: IEEE Registration Authority public listing.