Problems with newish IP block assignment issues from ARIN

Mon Feb 8 20:46:39 UTC 2021

Dear Justin,

On Mon, Feb 08, 2021 at 03:14:47PM -0500, Justin Wilson (Lists) wrote:
> It acts like the IP block was blacklisted at some point and got on
> some bad lists but I don’t want ti limit myself to that theory.
> I have opened up a ticket with ARIN asking for any guidance. Has
> anyone ran into this with new space assigned? Any tools, sites, etc. I
> can use to do further troubleshooting.  

Here are some useful tools:

    ping.pe
    example: http://ping.pe/www.openbsd.org

    https://ring.nlnog.net/
    good introduction here: https://labs.ripe.net/Members/martin_pels_3/10-years-of-nlnog-ring

    https://atlas.ripe.net/

> The block in question is 134.195.44.0/22. 

Is there any specific IP address in the range that should always respond
to ICMP Echo Requests? This will help others see if they can reach you
or not.

> It has been RPKI certified and has IRR entries.

Indeed, nice :-) http://irrexplorer.nlnog.net/search/134.195.44.0/22

Kind regards,

Job