Robtex

Up: 182.72.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.48.0/23
Down right: 182.72.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.49.7	PTR	nsg-static-007.49.72.182.airtel.in
182.72.49.7	A	www.quantumamc.com
182.72.49.18	A	galaxysoftware.in
182.72.49.19	A	galaxysoftware.in
182.72.49.82	PTR	nsg-static-082.49.72.182.airtel.in
182.72.49.82	A	turanto.net
182.72.49.203	A	mail.sanghimetals.com
182.72.49.203	A	mail.sbil.in
182.72.49.203	A	www.sanghimetals.com
182.72.49.205	PTR	nsg-static-205.49.72.182.airtel.in
182.72.49.205	A	mail.sanghimetals.com
182.72.49.205	A	mail.sbil.in
182.72.50.226	PTR	nsg-static-226.50.72.182.airtel.in
182.72.51.69	PTR	nsg-static-069.51.72.182.airtel.in
182.72.51.69	A	email.ecotechservices.co.in
182.72.51.205	PTR	nsg-static-205.51.72.182.airtel.in
182.72.51.228	PTR	nsg-static-228.51.72.182.airtel.in
182.72.51.228	A	lumedxindia.com