MAC 地址和 IP 地址都用于唯一定义 Internet 上的设备。 NIC 卡的制造商提供 MAC 地址，另一方面 Internet 服务提供商提供 IP 地址。
MAC地址和IP地址的主要区别在于，MAC地址用于保证计算机的物理地址。它唯一标识网络上的设备。而IP地址用于唯一标识网络与该设备参与网络的连接。
让我们看看MAC地址和IP地址之间的区别：
| S.NO | MAC Address | IP Address |
|---|---|---|
| 1. | MAC Address stands for Media Access Control Address. | IP Address stands for Internet Protocol Address. |
| 2. | MAC Address is a six byte hexadecimal address. | IP Address is either four byte (IPv4) or eight byte (IPv6) address. |
| 3. | A device attached with MAC Address can retrieve by ARP protocol. | A device attached with IP Address can retrieve by RARP protocol. |
| 4. | NIC Card’s Manufacturer provides the MAC Address. | Internet Service Provider provides IP Address. |
| 5. | MAC Address is used to ensure the physical address of computer. | IP Address is the logical address of the computer. |
| 6. | MAC Address operates in the data link layer. | IP Address operates in the network layer. |
| 7. | MAC Address helps in simply identifying the device. | IP Address identifies the connection of the device on the network. |
| 8. | MAC Address of computer cannot be changed with time and environment. | IP Address modifies with the time and environment. |
| 9. | MAC Address can’t be found easily by third party. | IP Address can be found by third party. |