Robtex

Up: 49.248.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 49.248.140.0/25
Down right: 49.248.140.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
49.248.140.1	PTR	smtp.ttml.co.in
49.248.140.5	PTR	mailsrv1.shirke.co.in
49.248.140.7	PTR	smtp.ttml.co.in
49.248.140.9	PTR	smtp.ttml.co.in
49.248.140.10	PTR	smtp.ttml.co.in
49.248.140.51	PTR	smtp.ttml.co.in
49.248.140.98	PTR	smtp.ttml.co.in
49.248.140.100	PTR	smtp.ttml.co.in
49.248.140.101	PTR	smtp.ttml.co.in
49.248.140.117	PTR	smtp.ttml.co.in
49.248.140.120	PTR	smtp.ttml.co.in
49.248.140.131	A	rxofficehms.com
49.248.140.203	PTR	smtp.ttml.co.in
49.248.140.203	A	itshastra.net
49.248.140.203	A	smtp.itshastra.net
49.248.140.204	A	nandurbar.net
49.248.140.218	PTR	smtp.ttml.co.in
49.248.140.226	A	techenceit.com
49.248.140.226	A	www.techenceit.com
49.248.140.227	PTR	static-227.140.248.49-tataidc.co.in
49.248.140.246	A+PTR	mail01.bridgestone.co.in
49.248.140.247	PTR	autodiscover.bridgestone.co.in
49.248.140.247	A+PTR	imap.bridgestone.co.in
49.248.140.247	A+PTR	pop.bridgestone.co.in