Insulation around attic ducting...Need advice

Home in southern Calif. Built in 1956
Is the paper type insulation around the metal ducting asbestos?

http://i187.photobucket.com/albums/x296/dawlita/DSCN7142.jpg

http://i187.photobucket.com/albums/x296/dawlita/DSCN7139.jpg

http://i187.photobucket.com/albums/x296/dawlita/DSCN7138.jpg

Without testing can’t be 100% sure, but for all intents and purposes, most likely.

Thanks …