<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none"></style> </head> <body dir="ltr" style="font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <div>Hello!</div> <div> </div> <div>Relying on RIS data, I am currently investigating BGP announcement for IPv6 for my research.</div> <div> </div> <div>For some reason, CATNIX and SFINX members appear to announce a lot more prefixes than the others.</div> <div>While I found typically less than 50 /32 prefixes for the other Internet exchanges, I see almost 900 /32 for SFINX and even 9000 /32 for CATNIX. </div> <div> </div> <div>I wonder whether there is a specific reason, e.g., with respect to aggregation or policies.</div> <div>I am really looking forward to your reply.</div> <div> </div> <div>Thank you a lot for help!</div> <div><br> </div> <div>Regards,</div> <div>Johanna </div> <div><br> <br> </div> <p><br> </p> <p><br> </p> <div id="Signature"> <div name="divtagdefaultwrapper" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:; margin:0"> <font size="2"><span style="font-size:10pt">Dr. Johanna Ullrich<br> Senior Researcher<br> <a tabindex="0" href="http://www.sba-research.org/" target="_blank" id="NoLP">http://www.sba-research.org/</a><br> <br> Identifizierung gemäß § 14 UGB<br> Firmenname: SBA Research gGmbH<br> Firmensitz: Favoritenstraße 16, 1040 Wien<br> Firmenbuchnummer: 345659y<br> Firmenbuchgericht: Handelsgericht Wien<br> DVR-Nummer: 4012257<br> </span></font><br> </div> </div> </body> </html>