Robtex

Up: 193.73.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 193.73.0.0/19
Down right: 193.73.32.0/19

IP	Type	Hostname
193.73.1.0	A	193.73.160-static.reverse.softlayer.com
193.73.60.22	A	mail01.aey.ch
193.73.60.22	A	chchnotes02.aey.ch
193.73.60.22	A	mail01.ch.ey.com
193.73.60.65	A	aey02.aey.ch
193.73.60.72	A	mail20.ch.ey.com