Robtex

Up: 182.71.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.71.52.0/23
Down right: 182.71.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.71.52.73	PTR	nsg-static-073.52.71.182.airtel.in
182.71.52.82	PTR	mail.southasiahub.org
182.71.52.84	PTR	nsg-static-084.52.71.182.airtel.in
182.71.52.84	A	mail.southasiahub.org
182.71.52.85	A	owa.allianceindia.org
182.71.52.99	A+PTR	www.apps.avglobal.in
182.71.52.99	A	apps.avglobal.in
182.71.52.144	PTR	nsg-static-144.52.71.182.airtel.in
182.71.52.158	A	mail.sutron.in
182.71.52.209	PTR	iventures.in
182.71.53.14	PTR	nsg-static-014.53.71.182.airtel.in
182.71.53.155	PTR	nsg-static-155.53.71.182.airtel.in
182.71.53.155	A	www.etranwallet.com
182.71.53.155	A	ns5.kediainfo.com
182.71.53.163	A	veniredesignscape.com
182.71.53.176	PTR	nsg-static-176.53.71.182.airtel.in
182.71.53.226	PTR	nsg-static-226.53.71.182.airtel.in
182.71.53.230	PTR	nsg-static-230.53.71.182.airtel.in
182.71.54.190	PTR	nsg-static-190.54.71.182.airtel.in
182.71.54.192	PTR	nsg-static-192.54.71.182.airtel.in
182.71.55.4	PTR	nsg-static-004.55.71.182.airtel.in
182.71.55.34	PTR	nsg-static-034.55.71.182.airtel.in
182.71.55.42	PTR	nsg-static-042.55.71.182.airtel.in
182.71.55.104	PTR	nsg-static-104.55.71.182.airtel.in
182.71.55.159	PTR	nsg-static-159.55.71.182.airtel.in
182.71.55.178	PTR	mail.flightxpert.co.uk
182.71.55.198	PTR	nsg-static-198.55.71.182.airtel.in
182.71.55.228	PTR	nsg-static-228.55.71.182.airtel.in