diff --git a/usr.sbin/bhyve/bhyverun.c b/usr.sbin/bhyve/bhyverun.c
index 9db62972467c..cbd5d0b4de08 100644
--- a/usr.sbin/bhyve/bhyverun.c
+++ b/usr.sbin/bhyve/bhyverun.c
@@ -356,18 +356,12 @@ calc_topology(void)
 		guest_ncpus = ncpus;
 }
 
-int
-bhyve_pincpu_parse(const char *opt)
+static int
+bhyve_pincpu(int vcpu, int pcpu)
 {
 	const char *value;
 	char *newval;
 	char key[16];
-	int vcpu, pcpu;
-
-	if (sscanf(opt, "%d:%d", &vcpu, &pcpu) != 2) {
-		fprintf(stderr, "invalid format: %s\n", opt);
-		return (-1);
-	}
 
 	if (vcpu < 0) {
 		fprintf(stderr, "invalid vcpu '%d'\n", vcpu);
@@ -394,6 +388,42 @@ bhyve_pincpu_parse(const char *opt)
 	return (0);
 }
 
+int
+bhyve_pincpu_parse(const char *opt)
+{
+	int vcpu_first, vcpu_last, pcpu_first, pcpu_last;
+	int vcpu, pcpu;
+	int count;
+	int i;
+
+	if (sscanf(opt, "%d-%d:%d-%d", &vcpu_first, &vcpu_last, &pcpu_first, &pcpu_last) == 4) {
+		if (vcpu_first > vcpu_last || pcpu_first > pcpu_last) {
+			fprintf(stderr, "invalid range (must be ascending): %s\n", opt);
+			return (-1);
+		}
+		count = vcpu_last - vcpu_first + 1;
+		if (count != (pcpu_last - pcpu_first + 1)) {
+			fprintf(stderr, "range sizes do not match: %s\n", opt);
+			return (-1);
+		}
+		for (i = 0; i < count; i++) {
+			vcpu = vcpu_first + i;
+			pcpu = pcpu_first + i;
+			if (bhyve_pincpu(vcpu, pcpu) != 0) {
+				return (-1);
+			}
+		}
+		return (0);
+	}
+
+	if (sscanf(opt, "%d:%d", &vcpu, &pcpu) == 2) {
+		return bhyve_pincpu(vcpu, pcpu);
+	}
+
+	fprintf(stderr, "invalid format: %s\n", opt);
+	return (-1);
+}
+
 static void
 parse_cpuset(int vcpu, const char *list, cpuset_t *set)
 {