Robtex

Up: 203.145.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.145.128.0/21
Down right: 203.145.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.145.128.81	A	mail.bonanzaonline.com
203.145.128.90	A	policybonanza.com
203.145.128.129	A+PTR	mx1.mailer.airtel.com
203.145.128.130	A+PTR	mx2.mailer.airtel.com
203.145.128.131	A+PTR	mx3.mailer.airtel.com
203.145.128.132	A+PTR	mx4.mailer.airtel.com
203.145.130.209	A	microniit.net
203.145.131.4	A	live.airtel.in
203.145.131.50	A	bakshigroup.com
203.145.131.130	A	airtelalbum.com
203.145.131.207	A	line-in.net
203.145.131.207	A	kiami.net
203.145.131.207	A	line-in.com
203.145.131.239	A+PTR	cm.airtel.in
203.145.131.242	A+PTR	www.tracemateplus.airtel.in
203.145.131.242	A	tracemateplus.airtel.in
203.145.134.123	PTR	gistglobal.com
203.145.135.147	A	www.myhcl.org
203.145.135.147	A	myhcl.org
203.145.135.179	A	smtp.kadimitool.com
203.145.135.209	PTR	helixfinancialindia.com
203.145.135.210	PTR	helixfinancialindia.com
203.145.135.211	PTR	helixfinancialindia.com
203.145.135.212	PTR	helixfinancialindia.com
203.145.136.3	PTR	hq.sahara.co.in
203.145.136.3	PTR	mail.hqga.sahara.co.in
203.145.136.52	PTR	imss.bhelpem.co.in
203.145.136.53	PTR	bhelpem.co.in
203.145.136.87	A	dns3.mail.bharatpetroleum.in
203.145.138.224	PTR	raschd224.138.145.203.mantraonline.com
203.145.139.213	A+PTR	mail.studentnest.net
203.145.140.86	A	packpluz.com
203.145.141.162	PTR	mail.aai.aero
203.145.141.162	A	dp1.fastdnsnetwork.com.airportsindia.org.in
203.145.141.162	A	dp2.fastdnsnetwork.com.airportsindia.org.in
203.145.141.167	A	*.htmlmail.aai.aeromail.aai.aero
203.145.141.170	PTR	legacy.aai.aero