2 registered blocks
EFENTO T P SZYDŁOWSKI K ZARĘBA SPÓŁKA JAWNA MAC Addresses
All OUI prefixes assigned to EFENTO T P SZYDŁOWSKI K ZARĘBA SPÓŁKA JAWNA by the IEEE. Any device MAC beginning with one of these belongs to this vendor.
2 registered blocks
All OUI prefixes assigned to EFENTO T P SZYDŁOWSKI K ZARĘBA SPÓŁKA JAWNA by the IEEE. Any device MAC beginning with one of these belongs to this vendor.