Robtex

Up: 117.247.70.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 117.247.71.0/25
Down right: 117.247.71.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.247.71.72	PTR	mail.silkscreenartcentre.com
117.247.71.72	PTR	mail.opeoplelisten.com
117.247.71.72	PTR	mail.guidanceguild.com
117.247.71.196	PTR	static.ftth.kol.117.247.71.196.bsnl.in
117.247.71.196	A	stansoft.in