Question 1

What is a public IP address?

Accepted Answer

A public IP address is a unique numerical label assigned to your router by your Internet Service Provider (ISP) to identify your device on the global internet.

Question 2

How do I know if my VPN is working?

Accepted Answer

If your VPN is working, this tool will display the IP address and location of the VPN server instead of your real ISP location.

Question 3

What is the difference between IPv4 and IPv6?

Accepted Answer

IPv4 uses 32-bit addresses formatted as 4 numbers (e.g. 192.0.2.1); IPv6 uses 128-bit hexadecimal addresses to provide virtually unlimited IP addresses.

Question 4

Is it free?

Accepted Answer

Yes, 100% free.

Question 5

What is an Autonomous System Number (ASN)?

Accepted Answer

An ASN is a globally unique number assigned to major internet service providers (ISPs) and data networks for BGP routing.

Question 6

Can my IP address change over time?

Accepted Answer

Yes, most home residential ISPs assign dynamic IP addresses that change periodically when your router restarts.

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