What is the use of IP address and MAC address?

What is the use of IP address and MAC address?

MAC Address and IP Address, both are used to identify a computer on a network or on internet. MAC address is provided by NIC Card’d manufacturer and gives the physical address of a computer. IP address is provided by Internet Service Provider and is called the logical address of a computer connected on a network.

Why does my ISP need my MAC address?

Your ISP is probably using DHCP to assign IP addresses to customer modem. To limit the use of their services to their customers, they use the customer’s MAC to assign the IP. Any connection attempts by an unknown MAC are ignored.

Can ISP know my MAC address?

No the ISP will not know the MAC address of the client. MAC adresses are only locally significant. After the first IP hop MAC adresses are swaped/removed by the customer router.

Can my ISP see my router?

Yes, the ISP can see any device that is connected directly to their hardware. They can NOT see any device that is connected behind your router.

Should I clone my MAC address?

Generally you clone a MAC because you want the new device to look “the same” as the old one to an external authority. Some providers require clients to register a MAC address before using it either explicitly through some kind of registration form or implicitly through some action.

Can ISP see MAC address with VPN?

If I use a VPN, can the ISP still see my Mac Address? vpn does not and cannot hide your mac unless you manually spoof it. it uses its own tap adapter with a fabricated mac but it’s still there to identify you. your devices cannot connect to a modem/router without a mac.

Can someone use my ISP?

Someone can impersonate you to get hold of your IP address Your ISP could reveal your IP address to someone else. Criminals who know your name on social media can contact your ISP and try to impersonate you or use a vishing attack to steal your personal details.

What is ISP MAC address?

MAC Address and IP Address

MAC Address	IP Address
It is assigned by the manufacturer of the interface hardware.	It is assigned by the network administrator or internet service provider (ISP).
Information is send by Ethernet using the mac address.	Information is send by the Internet using the IP address.

How do IP addresses and MAC addresses work on a router?

No device in network A has the MAC address of the device in network B, so a packet to this MAC address will be discarded by all devices in the network A (also by the router). Routing is done on IP level. Simply seen the router is just doing what I described above in the section “How do IP addresses and MAC addresses work together?”.

What is a MAC address and why do we need it?

In addition to the basic network usage, MAC addresses are often used for the following purposes: Static IP: Routers allow you to assign static IP addresses to computers. When a device is connected, it always receives a specific IP address if it has a corresponding MAC address.

What is the difference between MAC ID and IP address?

MAC ID in the other hand is replaced each time it jumps from one device to other, the source and destination mac is replaced each time it moves from Device to device, MAC ID is more Suited for LAN Communication An IP address is your address in the Internet, interconnection of IP networks.

What is an example of an ISP assigned IP address?

The simplest example is when you connect your computer to the Internet, then decide to connect to another computer through the router connected to it, but there is no Internet. The reason is that the ISP assigned your IP address and registered the MAC address of your network card with you.