Robtex

Up: 182.72.26.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.26.0/25
Down right: 182.72.26.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.26.6	PTR	nsg-static-006.26.72.182.airtel.in
182.72.26.41	PTR	nsg-static-041.26.72.182.airtel.in
182.72.26.98	PTR	nsg-static-098.26.72.182.airtel.in
182.72.26.130	PTR	nsg-static-130.26.72.182.airtel.in
182.72.26.138	PTR	get4domain.com
182.72.26.138	PTR	ksmwebmedia.com
182.72.26.138	PTR	mail.get4domain.com
182.72.26.174	PTR	nsg-static-174.26.72.182.airtel.in
182.72.26.210	PTR	nsg-static-210.26.72.182.airtel.in
182.72.26.226	PTR	nsg-static-226.26.72.182.airtel.in
182.72.26.226	A	mail.goodwinindia.in
182.72.26.226	A	mail.goldstarpowders.in
182.72.26.246	PTR	sunsmartglobal.in