How to find all of an ISP's ASNs

Hank Nussbacher hank at efes.iucc.ac.il
Wed Oct 26 04:03:27 UTC 2016


On 26/10/2016 03:14, Yang Yu wrote:
> as-set if they keep their routing registry updated?
>
> something like this
> http://bgp.he.net/irr/as-set/AS-RR-Res

and if that doesn't work try:
http://bgp.he.net/AS3356#_graph4
[replace the ASN with the ASN of your choice to see the interconnections.]

-Hank

>
> Normally I use IRR Explorer, but somehow the return is empty
> http://irrexplorer.nlnog.net/search/AS-RR-Res
>
>
> Yang
>
> On Tue, Oct 25, 2016 at 12:41 PM, Gary Baribault <gary at baribault.net> wrote:
>> Hi folks, how to I find all ASNs that belong to an ISP? I want to block
>> access to my IoT cameras from the world other than the two local major ISPs
>> (keeping last Friday in mind!)
>>
>> Gary B
>>
>>



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