Robtex

Up: 182.72.88.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.90.0/24
Down right: 182.72.91.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.90.11	PTR	nsg-static-011.90.72.182.airtel.in
182.72.90.12	PTR	nsg-static-012.90.72.182.airtel.in
182.72.90.37	PTR	nsg-static-037.90.72.182.airtel.in
182.72.90.43	PTR	nsg-static-043.90.72.182.airtel.in
182.72.90.58	PTR	nsg-static-058.90.72.182.airtel.in
182.72.90.73	PTR	nsg-static-073.90.72.182.airtel.in
182.72.90.115	PTR	nsg-static-115.90.72.182.airtel.in
182.72.90.130	PTR	nsg-static-130.90.72.182.airtel.in
182.72.90.139	PTR	nsg-static-139.90.72.182.airtel.in
182.72.90.147	PTR	nsg-static-147.90.72.182.airtel.in
182.72.90.174	PTR	nsg-static-174.90.72.182.airtel.in
182.72.90.191	PTR	nsg-static-191.90.72.182.airtel.in
182.72.90.192	PTR	nsg-static-192.90.72.182.airtel.in
182.72.90.204	PTR	nsg-static-204.90.72.182.airtel.in
182.72.90.211	PTR	nsg-static-211.90.72.182.airtel.in
182.72.90.219	PTR	nsg-static-219.90.72.182.airtel.in
182.72.90.236	PTR	nsg-static-236.90.72.182.airtel.in
182.72.90.237	PTR	nsg-static-237.90.72.182.airtel.in
182.72.90.241	PTR	nsg-static-241.90.72.182.airtel.in
182.72.90.252	PTR	nsg-static-252.90.72.182.airtel.in
182.72.91.19	PTR	sourceedge.com
182.72.91.19	PTR	exchange.sourceedge.com
182.72.91.19	A	exchange.sourceedge.co.in
182.72.91.21	PTR	nsg-static-021.91.72.182.airtel.in
182.72.91.21	A	exchange.sourceedge.com
182.72.91.21	A	exchange.sysadminsolutions.com
182.72.91.114	A	trade.sunness.in
182.72.91.115	A+PTR	backoffice.sunness.in
182.72.91.115	A	bo-ba-ha-01.sunness.in
182.72.91.116	A+PTR	camera.sunness.in
182.72.91.171	PTR	nsg-static-171.91.72.182.airtel.in
182.72.91.171	A	datascribetranscription.com
182.72.91.172	PTR	nsg-static-172.91.72.182.airtel.in
182.72.91.174	A	datalifeehr.com
182.72.91.194	PTR	mail.sbsindia.co.in
182.72.91.250	PTR	nsg-static-250.91.72.182.airtel.in
182.72.91.250	A	abccoffeeday.com
182.72.91.250	A	coffeedayexport.com