diff --git a/include/re_sa.h b/include/re_sa.h
index 9670bfbcd..1d26a0e5f 100644
--- a/include/re_sa.h
+++ b/include/re_sa.h
@@ -68,6 +68,7 @@ bool     sa_cmp(const struct sa *l, const struct sa *r, int flag);
 
 bool     sa_is_linklocal(const struct sa *sa);
 bool     sa_is_loopback(const struct sa *sa);
+bool     sa_is_multicast(const struct sa *sa);
 bool     sa_is_any(const struct sa *sa);
 
 void     sa_set_scopeid(struct sa *sa, uint32_t scopeid);
diff --git a/src/sa/sa.c b/src/sa/sa.c
index 10306efc8..8f6abb7f8 100644
--- a/src/sa/sa.c
+++ b/src/sa/sa.c
@@ -666,6 +666,30 @@ bool sa_is_loopback(const struct sa *sa)
 	}
 }
 
+/**
+ * Check if socket address is a multicast address
+ *
+ * @param sa Socket address
+ *
+ * @return true if multicast address, otherwise false
+ */
+bool sa_is_multicast(const struct sa *sa)
+{
+	if (!sa)
+		return false;
+
+	switch (sa_af(sa)) {
+
+	case AF_INET:
+		return IN_MULTICAST(ntohl(sa->u.in.sin_addr.s_addr));
+
+	case AF_INET6:
+		return IN6_IS_ADDR_MULTICAST(&sa->u.in6.sin6_addr);
+
+	default:
+		return false;
+	}
+}
 
 /**
  * Check if socket address is any/unspecified address