In "The Lord of the Rings," who is the owner of Asfaloth, the horse which brings Frodo to Rivendell?

The story behind the answer

Glorfindel is the owner of Asfaloth in The Fellowship of the Ring. After Frodo is wounded on Weathertop, Glorfindel—an Elf-lord sent by Elrond—finds the hobbits and puts Frodo