Robtex

Up: 182.75.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 182.75.48.0/21
Down right: 182.75.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.75.48.182	PTR	nsg-static-182.48.75.182-airtel.com
182.75.48.182	A	sdnbvc.com
182.75.48.214	PTR	nsg-static-214.48.75.182-airtel.com
182.75.49.86	PTR	nsg-static-86.49.75.182-airtel.com
182.75.49.98	PTR	nsg-static-98.49.75.182-airtel.com
182.75.49.98	A	synchronsrv.com
182.75.49.134	PTR	nsg-static-134.49.75.182-airtel.com
182.75.51.28	A	trainingefficiency.com
182.75.51.139	PTR	nsg-static-139.51.75.182-airtel.com
182.75.51.139	A	html.upupload.com
182.75.51.139	A	html2.upupload.com
182.75.51.140	A+PTR	wp.upupload.com
182.75.51.151	PTR	nsg-static-151.51.75.182-airtel.com
182.75.51.151	A	html0219.upupload.com
182.75.51.154	PTR	nsg-static-154.51.75.182-airtel.com
182.75.51.154	A	html1118.upupload.com
182.75.51.155	PTR	nsg-static-155.51.75.182-airtel.com
182.75.51.155	A	html1119.upupload.com
182.75.51.201	A	maa.mxout.univercell.in
182.75.51.250	PTR	nsg-static-250.51.75.182-airtel.com
182.75.52.110	PTR	nsg-static-110.52.75.182-airtel.com
182.75.53.51	A+PTR	mail.spagroupindia.com
182.75.53.51	A	mail.naks.in
182.75.53.51	A	mail.iniveshak.com
182.75.53.52	PTR	nsg-static-52.53.75.182-airtel.com
182.75.53.54	PTR	nsg-static-54.53.75.182-airtel.com
182.75.53.57	PTR	nsg-static-57.53.75.182-airtel.com
182.75.54.54	PTR	nsg-static-54.54.75.182-airtel.com
182.75.54.88	PTR	nsg-static-88.54.75.182-airtel.com
182.75.55.128	A+PTR	mail2.ratanplastics.com
182.75.56.22	PTR	nsg-static-22.56.75.182-airtel.com
182.75.56.118	PTR	nsg-static-118.56.75.182-airtel.com
182.75.56.242	PTR	nsg-static-242.56.75.182-airtel.com
182.75.57.227	A	waintechnology.com
182.75.58.146	PTR	nsg-static-146.58.75.182-airtel.com
182.75.59.50	PTR	nsg-static-50.59.75.182-airtel.com
182.75.59.114	PTR	nsg-static-114.59.75.182-airtel.com
182.75.59.170	PTR	nsg-static-170.59.75.182-airtel.com
182.75.59.242	PTR	nsg-static-242.59.75.182-airtel.com
182.75.59.242	A	sbdigicom.com
182.75.59.242	A	www.sbdigicom.com
182.75.60.194	PTR	nsg-static-194.60.75.182-airtel.com
182.75.60.233	PTR	nsg-static-233.60.75.182-airtel.com
182.75.61.222	PTR	nsg-static-222.61.75.182-airtel.com
182.75.62.42	PTR	nsg-static-42.62.75.182-airtel.com
182.75.62.42	A	cross-domain.com
182.75.63.22	PTR	nsg-static-22.63.75.182-airtel.com
182.75.63.30	PTR	nsg-static-30.63.75.182-airtel.com
182.75.63.242	PTR	nsg-static-242.63.75.182-airtel.com