How to find all of an ISP's ASNs

Gary Baribault gary at baribault.net
Tue Oct 25 22:42:43 UTC 2016


Thanks folks, much appreciated

Gary B


On 25/10/16 03:35 PM, Dhia Mahjoub wrote:
> Hello,
>
> You can use this
> http://www.cidr-report.org/as2.0/autnums.html 
> <http://www.cidr-report.org/as2.0/autnums.html>
>
> Best
>
>
> Dhia Mahjoub, PhD
> Technical Leader, OpenDNS, part of Cisco
>
>
> On Tue, Oct 25, 2016 at 10:41 AM, Gary Baribault <gary at baribault.net 
> <mailto: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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