Robtex

Up: 182.72.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.31.0/25
Down right: 182.72.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.31.7	A+PTR	email.espire.com
182.72.31.7	A	mail.espireinfo.com
182.72.31.7	A	mail.espireinfra.com
182.72.31.19	PTR	nsg-static-019.31.72.182.airtel.in
182.72.31.42	PTR	nsg-static-042.31.72.182.airtel.in
182.72.31.43	PTR	nsg-static-043.31.72.182.airtel.in
182.72.31.51	PTR	nsg-static-051.31.72.182.airtel.in
182.72.31.55	PTR	nsg-static-055.31.72.182.airtel.in
182.72.31.212	A	koolcart.com
182.72.31.213	PTR	nsg-static-213.31.72.182.airtel.in
182.72.31.213	A	inspopindia.com
182.72.31.213	A	mail.inspopindia.com
182.72.31.214	A	gosahitest.com
182.72.31.255	PTR	nsg-static-255.31.72.182.airtel.in