Robtex

Up: 182.72.204.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 182.72.204.0/25
Down right: 182.72.204.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.72.204.2	PTR	nsg-static-002.204.72.182.airtel.in
182.72.204.50	A	mail.yashrasayan.com
182.72.204.50	A	mail.hlengineers.com
182.72.204.50	A	mailserver.hlengineers.com
182.72.204.121	PTR	nsg-static-121.204.72.182.airtel.in
182.72.204.121	A	eppl.in