The ornamental design for a holder for infantpacifiers, as shown and described.
FIG. 1 is a top front perspective view of a holder for infant pacifiers in accordance with the present invention;
FIG. 2 is a bottom rear perspective view thereof;
FIG. 3 is a front thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken line showing in the figures is included for the purpose of illustrating portions of the holder for infant pacifiers and forms no part of the claimed design.