vRtrPimNgGrpSrcNumSGRptPruneOif 1.3.6.1.4.1.6527.3.1.2.50.1.9.1.32

The value of vRtrPimNgGrpSrcNumSGRptPruneOif indicates the number of interfaces on which the router received (S,G,Rpt) prunes.