The NetBSD CVS tree is available from the
host cvsup.de.freebsd.org, supported collections:

# NetBSD CVSROOT
netbsd-base 

# NetBSD CVS documentation tree
netbsd-doc       

# NetBSD CVS source tree
netbsd-basesrc
netbsd-gnusrc
netbsd-sharesrc
netbsd-syssrc

The NetBSD sources are updated daily from ftp.netbsd.org

For more information about CVSup, see
http://www.freebsd.org/handbook/synching.html#CVSUP

-- 
Wolfram Schneider <wosch@freebsd.org> http://wolfram.schneider.org