Robtex

Up: 123.252.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 123.252.232.0/23
Down right: 123.252.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.252.232.5	PTR	anandgroup.net.co
123.252.232.5	PTR	email.asiagroup.net.co
123.252.232.5	A	email.anandgroup.net.co
123.252.233.93	A+PTR	iigjmumbai.org
123.252.233.204	PTR	smtp.ttml.co.in
123.252.233.244	PTR	static-244.233.252.123-tataidc.co.in
123.252.233.253	PTR	smtp.ttml.co.in
123.252.234.14	A	mail.eurotech-fzco.com
123.252.234.157	PTR	ieindia.net
123.252.234.202	PTR	www.mavenz.com
123.252.234.202	A	mail.mavenz.com
123.252.234.202	A	turtlescore.com
123.252.234.248	PTR	static-248.234.252.123-tataidc.co.in
123.252.234.248	A	mail.kalegroup.co.in
123.252.234.250	PTR	reverse.ttml.co.in
123.252.235.43	A	magnetrdc01.homecareretail.com
123.252.235.122	A	packtpub.net
123.252.235.188	PTR	schraderindia.com
123.252.235.210	A+PTR	mail.mwti.net
123.252.235.210	A	mail.microworld.de
123.252.235.210	A	mail.escanav.com
123.252.235.250	PTR	reverse.ttml.co.in