1 registered blocks
Ningbo Sigmatek Automation Co., Ltd. MAC Addresses
All OUI prefixes assigned to Ningbo Sigmatek Automation Co., Ltd. by the IEEE. Any device MAC beginning with one of these belongs to this vendor.
MA-M (28-bit, medium block)1 block
Combined address space1,048,576 addresses
All Ningbo Sigmatek Automation Co., Ltd. prefixes
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