mac地址号申请数量介绍

mac地址号申请数量分为三种：

一、MAC Address Block Small (MA-S)，对应数量4096个，可以供4096个产品使用。MA-S is a 36-bit identifier that can be used to create various extended identifiers. It is most often used to create IEEE 802-defined MAC addresses (EUI-48 and EUI-64). The MA-S does not include assignment of an OUI.

二、MAC Address Block Medium (MA-M)对应数量1048576个，可以供1048576个产品使用。MA-M is a 28-bit identifier that can be used to create various extended identifiers. It is most often used to create IEEE 802-defined MAC addresses (EUI-48 and EUI-64). The MA-M does not include assignment of an OUI.

三、MAC Address Block Large (MA-L)对应数量16777216个，可以供16777216个产品使用。The OUI included in the MA-L assignment may be appended with 24 organization-supplied bits to form a EUI-48 or 40 organization-supplied bits to form an EUI-64.

公司购买MAC地址只能选择其中一种，下次根据自己的需要可以再任选大中小号段。大多数公司会选择第二中，因为数量多较为优惠。如果您想申请MAC地址可以联系我们给你推荐适宜的号段，帮您快速申请。

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