Export to excel

Hi experts,

When we export to excel BW report with hierarchy image, In the excel, the hierarchy image is pointing to below URL

http://cibwp.apps.inrev.gov.uk:8111/SAP/BW/Mime/BEx/Analyzer/hieric1.gif

Please advice where the URL path http://cibwp.apps.inrev.gov.uk:8111 has been specified with in System.

I tried through SE80, I could not find where it is .http://cibwp.apps.inrev.gov.uk:8111

Many thanks