Robtex

Up: 203.110.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.110.80.0/23
Down right: 203.110.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.110.80.2	PTR	ptr-203-110-80-2.deldsl.net
203.110.80.3	PTR	mail.conscient.in
203.110.80.3	A	mail.deldsl.net
203.110.80.3	A	mail.deldsl.com
203.110.80.4	A	smtp.deldsl.net
203.110.80.5	PTR	deldsl.com
203.110.80.23	PTR	ptr-203-110-80-23.deldsl.net
203.110.80.86	PTR	ptr-203-110-80-86.deldsl.net
203.110.80.90	PTR	ptr-203-110-80-90.deldsl.net
203.110.80.129	A	gw2.out.deldsl.net
203.110.80.162	PTR	ns1.deldsl.net
203.110.80.163	PTR	ns2.deldsl.net
203.110.80.201	A	conf.mgmt.deldsl.net
203.110.80.202	A	nagios.mgmt.deldsl.net
203.110.80.225	A	router.deldsl.net
203.110.80.226	A	firewall.deldsl.net
203.110.80.227	A	ids.deldsl.net
203.110.80.231	A+PTR	proxy.deldsl.net
203.110.80.232	A+PTR	ns1.deldsl.net
203.110.80.232	A	ns1.deldsl.com
203.110.80.232	A	mailb.conscient.in
203.110.80.233	PTR	ns2.deldsl.net
203.110.80.240	PTR	ptr-203-110-80-240.deldsl.net
203.110.80.249	PTR	ptr-203-110-80-249.deldsl.net
203.110.81.45	PTR	ptr-203-110-81-45.deldsl.net
203.110.81.106	A	www.ivrindia.com
203.110.81.205	A	mail2.padminiengg.com
203.110.81.211	A	gotra-trading.com
203.110.81.245	PTR	ptr-203-110-81-245.deldsl.net
203.110.81.245	A	svcl.in
203.110.83.36	PTR	ptr-203-110-83-36.deldsl.net
203.110.83.36	A	hipl.co.in
203.110.83.36	A	www.hipl.co.in
203.110.83.37	PTR	ptr-203-110-83-37.deldsl.net
203.110.83.37	A	employees.hipl.co.in
203.110.83.38	A+PTR	portal.hipl.co.in
203.110.83.101	A	saltxp.com
203.110.83.102	A	ggn.saltxp.com
203.110.83.118	PTR	ptr-203-110-83-118.deldsl.net
203.110.83.139	PTR	ptr-203-110-83-139.deldsl.net
203.110.83.157	PTR	ptr-203-110-83-157.deldsl.net
203.110.83.161	PTR	ptr-203-110-83-161.deldsl.net
203.110.83.162	PTR	ptr-203-110-83-162.deldsl.net
203.110.83.163	A	globalerpdemo.com
203.110.83.172	A	sarjamzanyari.com
203.110.83.194	PTR	radware2.viomnetworks.com
203.110.83.197	PTR	smtp.viomnetworks.com
203.110.83.201	A	smtp1.viomnetworks.in
203.110.83.207	PTR	smtp1.viomnetworks.in
203.110.83.207	A	smtp.viomnetworks.in
203.110.83.216	PTR	ptr-203-110-83-216.deldsl.net
203.110.83.229	A	demo-kautilyabi.com
203.110.83.253	PTR	ptr-203-110-83-253.deldsl.net