Which IP address would be most safe and suitable to use as a placeholder in a live system?

Is there a best practice IP address that is safe to use as a placeholder in a live public system on the Internet?
e.g. In a similar capacity, the domain name example.com is reserved and can be safely used without risk of this becoming som… Continue reading Which IP address would be most safe and suitable to use as a placeholder in a live system?

How do hackers find the ip address of router or networks they want to hack? [duplicate]

I’ve heard news of hackers in different countries being able to infiltrate networks in other countries. What I’m wondering is how these hackers find the ip addresses (without the use of phishing) of the routers, networks, or devices they w… Continue reading How do hackers find the ip address of router or networks they want to hack? [duplicate]

Do ISP’s start data retention period after unsubscribing from their service? [closed]

Whenever I go online and read about data retention periods specifically for IP address information like IP assignments and session history, I see data retention periods ranging from 180 days to 12 months and up to 24 months. However, I’ve … Continue reading Do ISP’s start data retention period after unsubscribing from their service? [closed]