Is there a way to get all IP addresses of youtube to block it with Windows Firewall?

youtube ip firewall blocking windows-firewall
user670186 picture user670186 · Feb 18, 2012 · Viewed 161.4k times · Source

I want to programme my own anti distraction tool. I can not / do not want to use hosts or third party apps. When using IPSEC or Windows firewall, it only accepts IP adresses. There is

youtube.[264 TLD]
www.youtube.[264 TLD]
subdomains.youtube.[264 TLD]

Appearantly there is no way anymore to get a complete list of youtube sub domains.

Can someone think of a way to somehow obtain all youtube ip addresses and block them on ip level other than using brute force subdomain pinging?

Answer

Roberto Sagastume picture Roberto Sagastume · Oct 15, 2013

The way to find all the IP addresses associated with a URL is first to find the AS Number, you can get it in http://networktools.nl/asinfo/ For YouTube get it in http://networktools.nl/asinfo/youtube.com There you get the AS Number

Primary ASN : 15169

Now, type in terminal

whois -h whois.radb.net -- '-i origin AS15169' | grep ^route

And there you will get all the IP Addresses, the list is long but you can find similar addresses that can be grouped in a subnet.

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