Robtex

Up: 182.72.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.80.0/22
Down right: 182.72.84.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.80.68	PTR	nsg-static-068.80.72.182.airtel.in
182.72.82.134	PTR	nsg-static-134.82.72.182.airtel.in
182.72.82.242	PTR	nsg-static-242.82.72.182.airtel.in
182.72.83.54	PTR	nsg-static-054.83.72.182.airtel.in
182.72.83.70	PTR	host.securedweb.org
182.72.83.70	A	ns4.securedweb.org
182.72.84.74	PTR	nsg-static-074.84.72.182.airtel.in
182.72.84.134	PTR	nsg-static-134.84.72.182.airtel.in
182.72.84.134	A	www.lpgroup.in
182.72.84.134	A	www.liladharpasoo.com
182.72.84.248	PTR	nsg-static-248.84.72.182.airtel.in
182.72.85.35	A	mail.gbjgroup.com
182.72.85.82	A	payodaweb.com
182.72.85.83	A	mail.payodaweb.com
182.72.85.86	PTR	nsg-static-086.85.72.182.airtel.in
182.72.85.86	A	collabview.com
182.72.85.87	A	payodadev.com
182.72.85.209	PTR	ns1.paavai.net
182.72.85.210	A+PTR	ns2.paavai.net
182.72.85.210	A	www.paavai.edu.in
182.72.85.232	PTR	nsg-static-232.85.72.182.airtel.in
182.72.86.27	PTR	nsg-static-027.86.72.182.airtel.in
182.72.86.33	PTR	nsg-static-033.86.72.182.airtel.in
182.72.86.170	PTR	nsg-static-170.86.72.182.airtel.in
182.72.86.210	A	mail.scmgroups.com
182.72.86.214	A	mail.scmtpm.com
182.72.87.1	PTR	nsg-static-001.87.72.182.airtel.in
182.72.87.1	A	*.bioforceindia.com
182.72.87.1	A	bioforceindia.com
182.72.87.2	A	*.bioforceindia.com
182.72.87.2	A	bioforceindia.com
182.72.87.2	A	mail.bioforceindia.com
182.72.87.3	PTR	mx.acpfoods.com
182.72.87.26	A	smtp1.unitydevelopers.com
182.72.87.26	A	smtp.unityinfra.com
182.72.87.26	A	smtp1.unityinfra.com
182.72.87.27	A	smtp2.unityinfra.com
182.72.87.29	PTR	nsg-static-029.87.72.182.airtel.in
182.72.87.43	PTR	nsg-static-043.87.72.182.airtel.in
182.72.87.114	PTR	nsg-static-114.87.72.182.airtel.in
182.72.87.123	A	odin.m3multiple.in
182.72.87.125	PTR	m3multiple.in
182.72.87.125	A	www.gauravkothari.com
182.72.87.125	A	gauravkothari.com
182.72.87.206	PTR	nsg-static-206.87.72.182.airtel.in