You need to email the ISP.  Check routing/WHOIS records on their prefix(es)
for contact information.

On Thu, Sep 8, 2016 at 8:30 AM, David Milholen <[email protected]> wrote:

> also, If they are not advertising my blocks or have some blocked how can I
> find out?
>
>
> On 9/7/2016 10:50 PM, That One Guy /sarcasm wrote:
>
> please make sure to update us on what you find out.
> Make sure you have a monitored abuse contact for your allocation. If its a
> blacklist issue you should have been sent something (hopefully) either from
> that host, or others if youre on a global list
>
> On Wed, Sep 7, 2016 at 10:13 PM, George Skorup <[email protected]> wrote:
>
>> Does it pass or fail from downstream routers? Traffic originating from
>> your router will use the exit interface's IP as the source address in the
>> ICMP packets. Since it's your edge, that'd be your upstream's address space
>> (I'm guessing they gave you one side of a /30). So try setting the source
>> address for the traceroute to that router's loopback address (that's
>> hopefully in your address space) and see what you get. It's entirely
>> possible that they've blocked your entire prefix. Or if you're doing BGP,
>> maybe your announcement isn't making it to them (or their upstream(s)).
>>
>>
>> On 9/7/2016 9:56 PM, David Milholen wrote:
>>
>> Ok,
>>
>>  I have an ip for a website that cannot be reached by our clients.
>>
>> At first I checked DNS behavior and the nslookups are fine.
>>
>> So, I started checking all of our ip blacklists and nothing showed up.
>> I then started some trace routes and from a host computer it will not
>> complete but from an edge router using ping tool in the mikrotik I was able
>> to ping the site
>> and do a complete traceroute.
>> At this point I am thinking a firewall issue but after disabling every
>> rule still nothing from the host and this is from different host on
>> different sites that cannot access this site.
>>
>> SO now im stuck.. Why can an edge see this site but nothing else beyond
>> the edge can???
>>
>> IM LIKE WUT DA WUT!
>> Thanks
>> Dazed and confused LOL
>>
>> --
>>
>>
>>
>
>
> --
> If you only see yourself as part of the team but you don't see your team
> as part of yourself you have already failed as part of the team.
>
>
> --
>

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