Robtex

Up: 203.124.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.124.152.0/22
Down right: 203.124.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.124.152.2	A+PTR	mxout1.nittsu.co.in
203.124.152.2	PTR	mxout1.nittsulogistics.co.in
203.124.152.3	A	mxout1.nittsu.co.in
203.124.152.4	A	mx1.nittsu.co.in
203.124.152.5	A	tts.nittsu.co.in
203.124.152.11	A	mail.nittsu.in
203.124.152.84	PTR	mail.essae.com
203.124.152.85	A	ftp.essae.com
203.124.153.99	A	mx2.starasianet.com
203.124.153.99	A	mx1.starasianet.com
203.124.153.99	A	starasianet.com
203.124.153.100	A+PTR	mail.vijaytv.com
203.124.153.114	PTR	server1.leaap.com
203.124.153.114	A	www.leaap.com
203.124.153.117	PTR	server1.leaap.com
203.124.153.117	A	www.leaap.com
203.124.153.117	A	webmail.leaap.com
203.124.153.206	PTR	mail.transworks.com
203.124.153.227	A	pi-vault.com
203.124.154.10	A+PTR	mail.tegaindustries.com
203.124.154.43	A+PTR	www.iirmworld.org.in
203.124.154.43	A	iirmworld.org.in
203.124.154.44	A+PTR	mail.iirmworld.org.in
203.124.154.44	A+PTR	webmail.iirmworld.org.in
203.124.154.44	PTR	win2k13.iirmworld.org.in
203.124.154.61	PTR	crm.diacritech.com
203.124.154.77	PTR	mail.lauruslabs.com
203.124.154.121	PTR	mail.spbpc.com
203.124.154.123	PTR	mail.spbpc.com
203.124.154.123	A	mail2.spbpc.com
203.124.154.168	PTR	ialmlsgw2b.ialindia.com
203.124.156.90	PTR	mail.drus.com
203.124.156.91	PTR	snemane.drus.com
203.124.156.235	PTR	www.ecgcindia.com
203.124.157.4	PTR	webmail.murliindustries.com
203.124.157.43	A	www.drus.com
203.124.157.64	PTR	mail.azureinfotech.com
203.124.157.64	PTR	www.azureinfotech.com
203.124.157.115	PTR	hpl.co.in
203.124.157.115	A	smtpcal.hpl.co.in
203.124.157.228	A	paisaback.com
203.124.157.230	PTR	www.azureinfotech.com
203.124.157.243	A+PTR	petromail.petrofacindia.com
203.124.157.243	A	petrofacindia.com