Robtex

Up: 182.72.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.236.0/23
Down right: 182.72.238.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.236.102	PTR	nsg-static-102.236.72.182.airtel.in
182.72.236.105	PTR	nsg-static-105.236.72.182.airtel.in
182.72.236.165	PTR	nsg-static-165.236.72.182.airtel.in
182.72.237.61	PTR	nsg-static-061.237.72.182.airtel.in
182.72.237.61	A	zimbra.kauveryhospital.com
182.72.237.69	A	subburajan.com
182.72.237.69	A	subburajan.in
182.72.237.69	A	subburajan.net
182.72.238.69	A	muthurajan.com
182.72.238.99	A+PTR	mail.dsmgeodata.com
182.72.238.100	PTR	nsg-static-100.238.72.182.airtel.in
182.72.238.100	A	whyly.com
182.72.238.100	A	dcsbpo.com
182.72.238.101	PTR	nsg-static-101.238.72.182.airtel.in
182.72.238.101	A	dcsbpo.com
182.72.238.101	A	c13-b2b-blog-lb.dsmsoft.com
182.72.238.102	PTR	ftp.dsmsoft.com
182.72.238.163	PTR	nsg-static-163.238.72.182.airtel.in
182.72.238.163	A	zmail.vdartlive.com
182.72.239.13	A+PTR	irjts.co.in
182.72.239.33	PTR	nsg-static-033.239.72.182.airtel.in
182.72.239.34	PTR	nsg-static-034.239.72.182.airtel.in
182.72.239.115	PTR	nsg-static-115.239.72.182.airtel.in
182.72.239.182	PTR	nsg-static-182.239.72.182.airtel.in
182.72.239.182	A	www.accesshealthcare.co
182.72.239.188	A	glocare.net