Robtex

Up: 210.18.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.18.3.0/25
Down right: 210.18.3.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.18.3.0	A+PTR	210.18.3.0.sify.net
210.18.3.3	A+PTR	services.sify.com
210.18.3.6	A+PTR	pdns.sify.in
210.18.3.6	A	pdns.sifytech.net
210.18.3.7	PTR	210.18.3.7.sify.net
210.18.3.7	A	safespinesurgery.in
210.18.3.7	A	fortismedicitymedanta.info
210.18.3.10	PTR	210.18.3.10.sify.net
210.18.3.10	A	rightplusleft.com
210.18.3.10	A	truckwalla.com
210.18.3.18	PTR	210.18.3.18.sify.net
210.18.3.18	A	blogs.franzvision.easypowerprelaunch.info
210.18.3.18	A	esicregn.sifyitest.com
210.18.3.25	A	pg.sifyitest.com
210.18.3.51	PTR	210.18.3.51.sify.net
210.18.3.51	A	registration.sifyitest.com
210.18.3.52	PTR	210.18.3.52.sify.net
210.18.3.52	A	registration.sifyitest.com
210.18.3.53	PTR	210.18.3.53.sify.net
210.18.3.53	A	registration.sifyitest.com
210.18.3.54	PTR	210.18.3.54.sify.net
210.18.3.54	A	registration.sifyitest.com
210.18.3.73	A+PTR	210.18.3.73.sify.net
210.18.3.73	A	uidai.sifyitest.com
210.18.3.134	PTR	210.18.3.134.sify.net
210.18.3.134	A	online.arclimited.com
210.18.3.135	PTR	rksbbdo.com
210.18.3.136	PTR	www.appscale.com
210.18.3.158	PTR	210.18.3.158.sify.net
210.18.3.158	A	mafoi.in
210.18.3.191	A	210.18.3.191.sify.net