r_irtbl* stored procedures in msdb

Using SQL 2000 and noticed some r_irtbl* stored procedures in msdb. Are they
part of SQL or part of some 3rd party tool ? I believe its part of SQL as it
seems to be there on all our SQL Servers. IF so, what is it used for ?Have a look here
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/repospr/rpconnecting_220j.asp
--
Allan Mitchell (Microsoft SQL Server MVP)
MCSE,MCDBA
www.SQLDTS.com
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"Hassan" <fatima_ja@.hotmail.com> wrote in message
news:eaucM5tiDHA.1808@.TK2MSFTNGP09.phx.gbl...
> Using SQL 2000 and noticed some r_irtbl* stored procedures in msdb. Are
they
> part of SQL or part of some 3rd party tool ? I believe its part of SQL as
it
> seems to be there on all our SQL Servers. IF so, what is it used for ?
>