Robtex

Up: 182.72.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.28.0/23
Down right: 182.72.30.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.28.2	PTR	nsg-static-002.28.72.182.airtel.in
182.72.28.23	PTR	nsg-static-023.28.72.182.airtel.in
182.72.28.23	A	lms.aurouniversity.ac.in
182.72.28.23	A	arthfest.com
182.72.28.25	PTR	nsg-static-025.28.72.182.airtel.in
182.72.28.25	A	aurouniversity.ac.in
182.72.28.26	PTR	nsg-static-026.28.72.182.airtel.in
182.72.28.26	A	vle.aurouniversity.ac.in
182.72.28.92	PTR	nsg-static-092.28.72.182.airtel.in
182.72.28.148	PTR	nsg-static-148.28.72.182.airtel.in
182.72.29.6	PTR	nsg-static-006.29.72.182.airtel.in
182.72.29.106	PTR	nsg-static-106.29.72.182.airtel.in
182.72.29.113	PTR	nsg-static-113.29.72.182.airtel.in
182.72.29.134	PTR	nsg-static-134.29.72.182.airtel.in
182.72.29.146	PTR	nsg-static-146.29.72.182.airtel.in
182.72.29.238	PTR	nsg-static-238.29.72.182.airtel.in
182.72.29.250	PTR	nsg-static-250.29.72.182.airtel.in
182.72.30.2	PTR	nsg-static-002.30.72.182.airtel.in
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