Robtex

Up: 220.227.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 220.227.72.0/22
Down right: 220.227.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.227.72.3	PTR	mail.manipalhospitals.com
220.227.72.3	A	mail.manipalhospital.com
220.227.72.6	A	labportal.manipalhospitals.com
220.227.72.11	PTR	healthmapdiagnostics.com
220.227.72.11	PTR	manipalankur.com
220.227.72.11	PTR	manipalclinics.com
220.227.72.28	A	viostest.com
220.227.72.50	A	mail.altimetrik.co.in
220.227.72.234	A+PTR	mx.viteos.com
220.227.72.234	A	mail.viteosfundservices.com
220.227.73.4	PTR	gtcgateway.rgbsi.co.in
220.227.73.9	A+PTR	exchange.rgbsi.co.in
220.227.73.10	A	amail.acculogix.com
220.227.74.81	PTR	smtp1.psi.adityabirla.com
220.227.75.69	A+PTR	sandesh.mrplindia.com
220.227.75.69	A+PTR	sandesh.mrpl.co.in
220.227.75.97	A	unitedspirits.co.in
220.227.75.104	PTR	mail5.iteamic.com
220.227.75.129	PTR	mail.th-india.com
220.227.75.130	PTR	in4velocity.com
220.227.75.218	PTR	smtp2.excelindia.com
220.227.75.221	A	pop3.excelindia.com
220.227.75.222	A	greatplanthunt.in
220.227.75.222	A	travel.excelindia.com
220.227.75.222	A	smtp2.excelindia.com
220.227.76.25	A	mail.fivescail-kcp.com
220.227.77.139	PTR	mail.mediassistindia.com
220.227.77.140	A	mediassistindia.org
220.227.77.160	PTR	iimk.ac.in
220.227.77.161	PTR	iimk.ac.in
220.227.77.162	PTR	iimk.ac.in
220.227.77.162	A	ns3.iimamritsar.ac.in
220.227.77.163	PTR	iimk.ac.in
220.227.77.164	A	mx3.iimk.ac.in
220.227.77.165	A	mail.iimk.ac.in
220.227.77.167	A	dspace.iimk.ac.in
220.227.77.168	PTR	iimk.ac.in
220.227.77.169	PTR	iimk.ac.in
220.227.77.170	PTR	iimk.ac.in
220.227.77.171	PTR	iimk.ac.in
220.227.77.181	PTR	mail1.clutcklegal.com
220.227.77.181	A	mail1.clutchlegal.com
220.227.77.226	PTR	pricol.co.in
220.227.77.227	PTR	pricol.co.in
220.227.77.227	PTR	mail.pricol.co.in
220.227.77.228	PTR	pricol.co.in
220.227.77.229	PTR	pricol.co.in
220.227.77.235	PTR	premjiinvest.com
220.227.77.235	PTR	mail.premjiinvest.com
220.227.77.237	PTR	premjiinvest.com
220.227.77.237	A+PTR	mail.premjiinvest.com
220.227.77.238	A	webmail.premjiinvest.com
220.227.77.242	A	ns2.diyatechtraining.com
220.227.77.242	A	ns1.diyatechtraining.com
220.227.77.242	A	diyasupportzone.com
220.227.79.98	PTR	spml.co.in
220.227.79.99	PTR	spml.co.in
220.227.79.100	PTR	spml.co.in
220.227.79.101	PTR	spml.co.in
220.227.79.131	PTR	asia.xchanging.com
220.227.79.132	PTR	asia.xchanging.com
220.227.79.222	A	mail.revenuemed.net
220.227.79.251	PTR	ajax.in