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Websites onbereikbaar - routingproblemen?

  • Onderwerp starter Onderwerp starter cx-ray
  • Startdatum Startdatum
C

cx-ray

For the past couple of days I can't reach my favorite computer related price comparison site www.geizhals.at. I know for a fact the website is up and fully functional by going through proxies. After some further investigation it looks like nothing with an IP of 213.229.61.x gets past the 3rd hop. From what it looks like the traces indicate that UPC is the culprit. I'm curious whether others are experiencing the same problem?

Code:
Tracing route to www.geizhals.at [213.229.61.37]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  x
  2     7 ms     7 ms     8 ms  10.15.161.129
  3     *        7 ms    13 ms  hm00cat12.brain.upc.nl [212.142.15.30]
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20     *        *        *     Request timed out.
 21     *        *        *     Request timed out.
 22     *        *        *     Request timed out.
 23     *        *        *     Request timed out.
 24     *        *        *     Request timed out.
 25     *        *        *     Request timed out.
 26     *        *        *     Request timed out.
 27     *        *        *     Request timed out.
 28     *        *        *     Request timed out.
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.

Two random test traces of the same block:

Code:
Tracing route to vie2-fe-05-005.shuttle.vien.inode.at [213.229.61.1]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  x
  2     7 ms     7 ms     5 ms  10.15.161.129
  3     8 ms    10 ms     7 ms  hm00cat12.brain.upc.nl [212.142.15.30]
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20     *        *        *     Request timed out.
 21     *        *        *     Request timed out.
 22     *        *        *     Request timed out.
 23     *        *        *     Request timed out.
 24     *        *        *     Request timed out.
 25     *        *        *     Request timed out.
 26     *        *        *     Request timed out.
 27     *        *        *     Request timed out.
 28     *        *        *     Request timed out.
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.

Code:
Tracing route to 213.229.61.255.sh.interxion.inode.at [213.229.61.255]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  x
  2     7 ms     7 ms     7 ms  10.15.161.129
  3     7 ms     7 ms     *     hm00cat12.brain.upc.nl [212.142.15.30]
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20     *        *        *     Request timed out.
 21     *        *        *     Request timed out.
 22     *        *        *     Request timed out.
 23     *        *        *     Request timed out.
 24     *        *        *     Request timed out.
 25     *        *        *     Request timed out.
 26     *        *        *     Request timed out.
 27     *        *        *     Request timed out.
 28     *        *        *     Request timed out.
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.
 
Interesting. I can't reach the website either unless I use a proxy. I think lately a lot of sites are blacklisting IPs that are from UPC. I have the same problem with lots of sites, in which the IP is just blacklisted / banned.
 
Same problem.
Looks like a routing problem in the UPC network.
 
77.248.xxxx can reach that website no problem.So it must be 213.xxxx related indeed.
 
Same here, ip-range 80.

Another example in CH: 193.218.102.53.
 
What's more interesting is whether the people who can in fact reach the website are also being directed through hm00cat12.brain.upc.nl or that they're getting another route.
Traceroutes anyone? :)
 
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