Odd, I'm trying to reach a host in Germany (AS34432) from Sweden but get rerouted Stockholm-Hamburg-Amsterdam-London-Paris-London-Atlanta-São Paulo after which the packets disappear down a black hole. All routing problems occur within Cogentco.

    3  sth-cr2.link.netatonce.net (85.195.62.158) 
    4  te0-2-1-8.rcr51.b038034-0.sto03.atlas.cogentco.com 
    5  be3530.ccr21.sto03.atlas.cogentco.com (130.117.2.93)
    6  be2282.ccr42.ham01.atlas.cogentco.com (154.54.72.105)  
    7  be2815.ccr41.ams03.atlas.cogentco.com (154.54.38.205) 
    8  be12194.ccr41.lon13.atlas.cogentco.com (154.54.56.93)   
    9  be12497.ccr41.par01.atlas.cogentco.com (154.54.56.130)  
   10  be2315.ccr31.bio02.atlas.cogentco.com (154.54.61.113)  
   11  be2113.ccr42.atl01.atlas.cogentco.com (154.54.24.222)  
   12  be2112.ccr41.atl01.atlas.cogentco.com (154.54.7.158)
   13  be2027.ccr22.mia03.atlas.cogentco.com (154.54.86.206)
   14  be2025.ccr22.mia03.atlas.cogentco.com (154.54.47.230)
   15  * level3.mia03.atlas.cogentco.com (154.54.10.58) 
   16  * * *
   17  * * *