> Adrian M wrote: > > MikroTik strikes again ? > > > > %BGP-6-ASPATH: Long AS path ... 39412 39625 39625 39625 39625 39625 > > 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 > > From: Bret Clark [mailto:bcl...@spectraaccess.com] > Sent: Monday, 3 May 2010 8:26 PM > To: nanog@nanog.org > Subject: Re: MikroTik strikes again ? > > Uhm....okay...but why does anyone prepend their ASN that much? Are you > saying the Mikrotik did that on purpose? >
MikroTik asks for an amount of prepends rather than what ASN to prepend with. There was a bug in an old version that would modulus the ASN with 256 and prepend that many times. In this case 39625 modulo 256 = 201 prepends.