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MAC prefix 00:19:4A

Assigned by the IEEE to TESTO AG.

Prefix
00:19:4A   00-19-4A   0019.4A
Block type
MA-L (16,777,216 addresses)
Address range
00:19:4A:00:00:00 – 00:19:4A:FF:FF:FF
Organization
TESTO AG
Registered address
Testo Straße 1, Lenzkirch Baden-Württemberg 79853, DE
Country
Germany (DE)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:19:4A:00:00:00

TESTO AG holds 1 block in total: see all. Source: IEEE Registration Authority public listing.