Robtex

Up: 203.122.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.122.16.0/23
Down right: 203.122.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.122.16.35	A	www.acrotechnologies.com
203.122.16.35	A	acrotech.acrotechnologies.com
203.122.16.35	A	acrotechnologies.com
203.122.16.39	A	acrohrindia.com
203.122.16.39	A	www.acrohrindia.com
203.122.16.68	PTR	mail.keystrokepro.com
203.122.16.68	PTR	mail.kspaccounting.com
203.122.16.68	A	www.keystrokepro.com
203.122.16.87	PTR	mail.kilncopse.co.uk
203.122.16.87	A+PTR	mail.telergos.co.uk
203.122.16.87	A	telergos.co.uk
203.122.16.154	A	crmnew.com
203.122.16.169	PTR	203.122.16.169.reverse.spectranet.in
203.122.16.170	PTR	203.122.16.170.reverse.spectranet.in
203.122.17.8	A	mail.heroites.com
203.122.17.20	A+PTR	smtp4.liveindia.tv
203.122.17.20	A	email.liveindia.tv
203.122.17.20	A	mx-203-122-17-20.liveindia.tv
203.122.17.23	PTR	smtp1.mimarathi.tv
203.122.17.23	A	email.mimarathi.tv
203.122.17.25	PTR	email.liveindia.tv
203.122.17.25	A+PTR	ftp1.liveindia.tv
203.122.17.36	PTR	kplintl.com
203.122.17.44	PTR	203.122.17.44.reverse.spectranet.in
203.122.17.83	PTR	203.122.17.83.reverse.spectranet.in
203.122.17.83	A	ns1.ejobshire.com
203.122.17.83	A	ejobshire.com
203.122.17.91	A	onsisdev.info
203.122.17.92	A	com.pbodev.info
203.122.17.92	A	ns2.pbodev.info
203.122.17.92	A	ponyexpressrides.pbodev.info
203.122.17.114	PTR	203.122.17.114.reverse.spectranet.in
203.122.17.114	A	falsabji.com
203.122.17.114	A	regalindiatravels.com
203.122.17.115	PTR	203.122.17.115.reverse.spectranet.in
203.122.17.118	A+PTR	mail.tekshaper.org
203.122.17.118	A	tekshaper.org
203.122.17.130	PTR	203.122.17.130.reverse.spectranet.in
203.122.17.140	A+PTR	mail2.su-kam.com
203.122.17.149	PTR	maestro-fashions.com
203.122.17.210	PTR	203.122.17.210.reverse.spectranet.in
203.122.18.0	PTR	203.122.18.0.reverse.spectranet.in
203.122.18.3	PTR	linuxdom.eastmanglobal.com
203.122.18.26	PTR	pool-203.122.18.rev.spectranet.in
203.122.18.37	A+PTR	mail1.omaxe.com
203.122.18.37	A+PTR	mail1.omaxewaterfront.com
203.122.18.37	PTR	mail1.facilityplus.in
203.122.18.47	PTR	mail-05.itgi.co.in
203.122.18.51	PTR	mail1.onicra.com
203.122.18.66	PTR	server.machinobasell.com
203.122.18.82	A	smart.spectranet.com
203.122.18.83	A	smart-admin.spectranet.com
203.122.18.139	PTR	mail.gdnet.org
203.122.18.148	A	www.advetapower.com
203.122.18.148	A	advetapower.com
203.122.18.150	PTR	mail.meridiantelecom.in
203.122.18.170	PTR	creative.intellevate.co.in
203.122.18.170	A	ind1.tekchand.com
203.122.18.173	A	penpalnotes.com
203.122.18.173	A	www.penpalnotes.com
203.122.18.243	PTR	203.122.18.243.reverse.spectranet.in
203.122.18.250	PTR	203.122.18.250.reverse.spectranet.in
203.122.18.250	A	gaganlab.redirectme.net
203.122.19.2	PTR	cybermedia.co.in
203.122.19.32	PTR	203.122.19.32.reverse.spectranet.in
203.122.19.34	PTR	203.122.19.34.reverse.spectranet.in
203.122.19.45	PTR	203.122.19.45.reverse.spectranet.in
203.122.19.60	PTR	203.122.19.60.reverse.spectranet.in
203.122.19.60	A	ndagroups.com
203.122.19.68	A	mail3.competentsoftware.com
203.122.19.100	A	vatika.vatikagroup.com
203.122.19.101	A+PTR	mail1.vatikagroup.com
203.122.19.101	A	mail1.matrikiran.in
203.122.19.103	PTR	203.122.19.103.reverse.spectranet.in
203.122.19.103	A	vatikaconnect.com
203.122.19.106	A	vatikadms.com
203.122.19.109	A	vatikaprojectmanagement.com
203.122.19.110	PTR	203.122.19.110.reverse.spectranet.in
203.122.19.110	A	vatikacats.com
203.122.19.114	A+PTR	mail2.vatikagroup.com
203.122.19.114	A	mail2.matrikiran.in
203.122.19.155	A	mailgate.in.kadence.com
203.122.19.196	A+PTR	sandbox.rw001.com
203.122.19.199	A	eval.rw001.com
203.122.19.230	PTR	mail.punjlloyd.com
203.122.19.237	A	jbmgroup.org
203.122.19.237	A	jepl.co.in