$ rmadison -u debian grub2
grub2 | 1.96+20080724-16 | lenny | source, amd64, i386, powerpc
grub2 | 1.97~beta3-1~bpo50+1 | backports/lenny | source, amd64, i386, powerpc, sparc
grub2 | 1.98+20100804-14+squeeze1 | squeeze | source, amd64, i386, kfreebsd-amd64, kfreebsd-i386, powerpc, sparc
grub2 | 1.99-22 | wheezy | source, amd64, i386, kfreebsd-amd64, kfreebsd-i386, powerpc, sparc
grub2 | 1.99-22.1 | sid | source, amd64, hurd-i386, i386, kfreebsd-amd64, kfreebsd-i386, powerpc, sparc