The ornamental design for a router, as shown and described.
FIG. 1 is a perspective view of a router, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is an enlarged view of the encircled portion 8 of FIG. 1; and,
FIG. 9 is an enlarged view of the encircled portion 9 of FIG. 5.
The even broken lines illustrating portions of the router form no part of the claimed design. The dot-dot-dash broken lines encircling enlargement portions of the design form no part of the claimed design.