In this post, i would like to share, how to get information upstream ISP.


If you don't know about your internet services provider(but i think you know first), you can visit http://whatismyip.com. In there you can see your ip public number. In the website you can find out the information about your IP public like the internet services provider. 

If have done, secondly you must visit http://bgp.he.net/,  search your ISP name in the search box. After you find your ISP in the website, you click the AS number like AS132644 or other.

After that, click Graph v4 to see the detail your network upstream. If wee look the image above, AS132644 is the ISP. He through to the other network, but finish int the upstream AS2490. 

If you want to know who is AS 2497, you can click the image, and you can find the upstream of your ISP.

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