Why doesn't apt-get work on Debian 8?

Question

linux

The situation is this:
You need to install libraries to work with OpenCV. When trying to install, APT-GET writes that it is not possible to find IP addresses for repositories from which archives will be downloaded.
What could be the problem?
================================================= ================================================= ===== I am
adding. The error is here:

And here is: The

output of cat /etc/apt/sources.list:

Answer 1

apt-get update
Google DNS, try to put it on the router or whatever you have on the Internet.
Maybe the provider is weird.
The site http.kali.org should open normally

Answer 2

show the output of cat /etc/apt/sources.list

Answer 3

Do you have a proxy on the network?

Answer 4

Dear users. Thank you all for your help. Issue resolved.
The thing was that while trying to install the libraries, V-REP was launched, looking at the routes (Kali Linux - there are many tools) I saw that all requests were redirected to its RemoteAPIServer. After disabling the program, everything worked.