Problems connecting to Web-sites hosted by XO/Concentric

[Syed Knut A. <Knut.Syed () bkk no>]

Hi,

Some of our customers (BKK Fiber is an ISP) are having problems connecting to Web-services (TCP port 80) hosted by 
XO/Concentric.  tcpdump shows that no packets are returned.  Ping and connection to the SMTP-service (TCP port 25) on 
the Webserver hosts are fine. The problem seem to be limited to customers within a certain /17 allocated to us.

I have tried Customer Care to no help.

Has anybody else experienced the same with XO/Conecentric?  Does anybody have contact information to Concentric 
operations?

Kind Regards,

Knut A. Syed
Senior Network Engineer

BKK Fiber AS  |  Postboks 7050, 5020 Bergen  |  T: +47 55 12 75 53 |  M: +47 916 39 767  |  
www.bkk.no<http://www.bkk.no/>





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