Robtex

Up: 182.72.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.220.0/24
Down right: 182.72.221.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.220.1	PTR	nsg-static-001.220.72.182.airtel.in
182.72.220.62	A+PTR	aalmail.autoaxle.com
182.72.220.83	PTR	nsg-static-083.220.72.182.airtel.in
182.72.220.87	A	zmail.aranca.com
182.72.220.162	PTR	nsg-static-162.220.72.182.airtel.in
182.72.220.162	A	services.techaspect.com
182.72.220.163	PTR	nsg-static-163.220.72.182.airtel.in
182.72.220.169	PTR	nsg-static-169.220.72.182.airtel.in
182.72.220.169	A	tech360.techaspect.com
182.72.220.200	A+PTR	mail.secon.in
182.72.220.201	PTR	nsg-static-201.220.72.182.airtel.in
182.72.220.201	A	seconariesaerial.com
182.72.220.201	A	saasaerial.com
182.72.220.204	PTR	nsg-static-204.220.72.182.airtel.in
182.72.221.151	PTR	nsg-static-151.221.72.182.airtel.in
182.72.221.152	PTR	nsg-static-152.221.72.182.airtel.in
182.72.221.156	PTR	nsg-static-156.221.72.182.airtel.in
182.72.221.190	PTR	nsg-static-190.221.72.182.airtel.in
182.72.221.218	PTR	nsg-static-218.221.72.182.airtel.in
182.72.221.236	PTR	nsg-static-236.221.72.182.airtel.in
182.72.221.236	A	dhmas.maveric-systems.com
182.72.221.242	PTR	nsg-static-242.221.72.182.airtel.in