Robtex

Up: 125.19.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 125.19.40.0/23
Down right: 125.19.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
125.19.40.6	A	portal.xavient.com
125.19.40.14	PTR	xsmtpin01.xavient.com
125.19.40.20	PTR	xsmtpin03.xavient.com
125.19.40.36	A+PTR	smtp1.eicher.in
125.19.40.36	PTR	smtp1.eicher.co.in
125.19.40.36	A	smtp1.vecv.in
125.19.40.40	A	lyncdiscover.vecv.in
125.19.40.40	A	dialin.vecv.in
125.19.40.40	A	lync-ext-web.vecv.in
125.19.40.47	A	epicenter.vecv.in
125.19.40.50	A	ftp.vecv.in
125.19.40.52	A	refine.royalenfield.com
125.19.40.133	A	piasc.co.in
125.19.41.17	A	mail.tnregistration.in
125.19.41.19	A	mail.tnreginet.net
125.19.41.20	A	mx.tnreginet.net
125.19.41.182	PTR	makemytrip.com
125.19.41.183	PTR	makemytrip.com
125.19.42.11	A	sndgoal.airtel.in
125.19.42.25	A	tracemate.airtel.in
125.19.42.41	A	*.pradan.net
125.19.42.49	A	iyv.in
125.19.42.110	A	cbsmt.airtel.in
125.19.42.115	A	tmdirectory.airtel.in
125.19.43.75	A+PTR	inmail1.havells.com
125.19.43.76	A+PTR	mail.havells.com