[CentOS] What can I do to UNDERSTAND why I can't reach centos.org (but everyone else can)?

Fri Mar 1 16:26:27 UTC 2013
m.roth at 5-cent.us <m.roth at 5-cent.us>

Rock wrote:
>>> try a traceroute to tempotv.com.tr,
>>> which takes 23 hops from my computer.
> For the record, I was unable to get to any of these long-hop destinations:
> $ traceroute tempotv.com.tr ==> died on the 23rd hop
> $ traceroute -I www.centos.org ==> died on the 19th (penultimate) hop
> $ traceroute www.gu.ac.ir ==> Iran, died on the 22nd hop
> $ traceroute www.gu.edu.pk ==> Pakistan, made it only to the 19th hop
> $ traceroute -m 255 www.tourism.gov.my ==> Malaysia died on the 19th hop
> All the above died before reaching their destinations.
Back to the question: have you spoken to level two, at least, tech support
of your provider of network access, to see if they have some explanation?