Robtex

Up: 182.71.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 182.71.24.0/22
Down right: 182.71.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.71.24.98	PTR	nsg-static-098.24.71.182.airtel.in
182.71.24.196	A	mail.fyrstr.com
182.71.24.196	A	mail.spaceworld.in
182.71.24.196	A	mail.horizonpu.com
182.71.24.250	PTR	nsg-static-250.24.71.182.airtel.in
182.71.24.250	A	otpc.otpcindia.in
182.71.25.34	PTR	nsg-static-034.25.71.182.airtel.in
182.71.25.50	PTR	nsg-static-050.25.71.182.airtel.in
182.71.25.106	PTR	mail.atlaslogistics.co.in
182.71.25.138	PTR	nsg-static-138.25.71.182.airtel.in
182.71.25.186	PTR	nsg-static-186.25.71.182.airtel.in
182.71.25.218	PTR	nsg-static-218.25.71.182.airtel.in
182.71.26.8	PTR	nsg-static-008.26.71.182.airtel.in
182.71.26.16	PTR	nsg-static-016.26.71.182.airtel.in
182.71.26.27	PTR	nsg-static-027.26.71.182.airtel.in
182.71.26.32	PTR	nsg-static-032.26.71.182.airtel.in
182.71.26.41	PTR	nsg-static-041.26.71.182.airtel.in
182.71.26.51	PTR	nsg-static-051.26.71.182.airtel.in
182.71.26.58	PTR	nsg-static-058.26.71.182.airtel.in
182.71.26.59	PTR	nsg-static-059.26.71.182.airtel.in
182.71.26.64	PTR	nsg-static-064.26.71.182.airtel.in
182.71.26.66	PTR	nsg-static-066.26.71.182.airtel.in
182.71.26.72	PTR	nsg-static-072.26.71.182.airtel.in
182.71.26.73	PTR	nsg-static-073.26.71.182.airtel.in
182.71.26.80	PTR	nsg-static-080.26.71.182.airtel.in
182.71.26.81	PTR	nsg-static-081.26.71.182.airtel.in
182.71.26.96	PTR	nsg-static-096.26.71.182.airtel.in
182.71.26.97	PTR	nsg-static-097.26.71.182.airtel.in
182.71.26.115	PTR	nsg-static-115.26.71.182.airtel.in
182.71.26.121	PTR	nsg-static-121.26.71.182.airtel.in
182.71.26.122	PTR	nsg-static-122.26.71.182.airtel.in
182.71.26.122	A	lookyourbook.com
182.71.26.123	PTR	nsg-static-123.26.71.182.airtel.in
182.71.26.131	PTR	nsg-static-131.26.71.182.airtel.in
182.71.26.136	PTR	nsg-static-136.26.71.182.airtel.in
182.71.26.145	PTR	nsg-static-145.26.71.182.airtel.in
182.71.26.154	PTR	nsg-static-154.26.71.182.airtel.in
182.71.26.155	PTR	nsg-static-155.26.71.182.airtel.in
182.71.26.169	PTR	nsg-static-169.26.71.182.airtel.in
182.71.26.170	PTR	nsg-static-170.26.71.182.airtel.in
182.71.26.171	PTR	nsg-static-171.26.71.182.airtel.in
182.71.26.176	PTR	nsg-static-176.26.71.182.airtel.in
182.71.26.202	PTR	nsg-static-202.26.71.182.airtel.in
182.71.26.203	PTR	nsg-static-203.26.71.182.airtel.in
182.71.26.208	PTR	nsg-static-208.26.71.182.airtel.in
182.71.26.216	PTR	nsg-static-216.26.71.182.airtel.in
182.71.26.227	PTR	nsg-static-227.26.71.182.airtel.in
182.71.26.232	PTR	nsg-static-232.26.71.182.airtel.in
182.71.26.235	PTR	nsg-static-235.26.71.182.airtel.in
182.71.26.242	PTR	nsg-static-242.26.71.182.airtel.in
182.71.26.243	PTR	nsg-static-243.26.71.182.airtel.in
182.71.26.251	PTR	nsg-static-251.26.71.182.airtel.in
182.71.27.4	PTR	nsg-static-004.27.71.182.airtel.in
182.71.27.33	PTR	nsg-static-033.27.71.182.airtel.in
182.71.27.62	A	natboard.info
182.71.27.73	PTR	nsg-static-073.27.71.182.airtel.in
182.71.27.123	PTR	nsg-static-123.27.71.182.airtel.in
182.71.27.203	PTR	nsg-static-203.27.71.182.airtel.in
182.71.27.249	PTR	mail.innoceanindia.com
182.71.27.250	PTR	mail.innoceanindia.com
182.71.27.251	PTR	mail.innoceanindia.com
182.71.28.16	PTR	nsg-static-016.28.71.182.airtel.in
182.71.28.18	PTR	mail.plsepindia.com
182.71.28.28	A	mail.kent.co.in
182.71.28.28	A	exchange.kent.co.in
182.71.28.32	PTR	nsg-static-032.28.71.182.airtel.in
182.71.28.118	A	tlinet.com
182.71.28.131	PTR	nsg-static-131.28.71.182.airtel.in
182.71.28.200	PTR	mail.rsinfra.in
182.71.28.201	PTR	mail.rsinfra.in
182.71.28.202	PTR	mail.rsinfra.in
182.71.28.203	PTR	mail.rsinfra.in
182.71.28.230	A	esoftcontact.com
182.71.29.8	PTR	nsg-static-008.29.71.182.airtel.in
182.71.29.112	PTR	nsg-static-112.29.71.182.airtel.in
182.71.29.118	A	www.theonlinegurukul.com
182.71.29.124	A	mail.kent.co.in
182.71.29.128	PTR	miraexim.com
182.71.29.130	PTR	miraexim.com
182.71.29.130	PTR	miraexim.ipower.com
182.71.29.131	PTR	miraexim.com
182.71.29.131	PTR	miraexim.ipower.com
182.71.29.136	PTR	miraexim.com
182.71.29.136	PTR	miraexim.ipower.com
182.71.29.136	PTR	nsg-static-136.29.71.182.airtel.in
182.71.29.137	PTR	miraexim.com
182.71.29.137	PTR	miraexim.ipower.com
182.71.29.137	PTR	nsg-static-137.29.71.182.airtel.in
182.71.29.138	PTR	miraexim.com
182.71.29.138	PTR	miraexim.ipower.com
182.71.29.138	PTR	nsg-static-138.29.71.182.airtel.in
182.71.29.139	PTR	miraexim.ipower.com
182.71.29.139	PTR	mail.miraexim.com
182.71.29.139	PTR	nsg-static-131.29.71.182.airtel.in
182.71.29.178	PTR	nsg-static-178.29.71.182.airtel.in
182.71.29.178	A	mail.niilm.com
182.71.29.180	A	mail.niilm.com
182.71.29.182	A	www.niilm-cms.edu.in
182.71.29.226	PTR	mail2.contata.co.in
182.71.29.226	PTR	smtp.contata.co.in
182.71.29.234	PTR	nsg-static-234.29.71.182.airtel.in
182.71.30.8	PTR	nsg-static-008.30.71.182.airtel.in
182.71.30.66	PTR	nsg-static-066.30.71.182.airtel.in
182.71.30.138	PTR	nsg-static-138.30.71.182.airtel.in
182.71.30.144	PTR	nsg-static-144.30.71.182.airtel.in
182.71.30.178	PTR	nsg-static-178.30.71.182.airtel.in
182.71.30.186	PTR	nsg-static-186.30.71.182.airtel.in
182.71.30.209	PTR	webmail.magicpaper.net
182.71.30.210	PTR	webmail.magicpaper.net
182.71.30.211	PTR	webmail.magicpaper.net
182.71.31.138	PTR	nsg-static-138.31.71.182.airtel.in
182.71.31.138	A	alivenetsolutions.com
182.71.31.140	A	mailsrv.fusionbpm.com
182.71.31.140	A	mail.plasmainteractive.net