Robtex

Up: 103.50.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.50.152.0/23
Down right: 103.50.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.50.152.2	A	mail.landmarkindia.net
103.50.152.2	A	mail.wilddreams.in
103.50.152.20	A	mail.prudentbroking.com
103.50.152.20	A	mail.prudentonline.com
103.50.152.20	A	mail.prudentproperties.in
103.50.152.66	A+PTR	mail.sanghviinfotech.com
103.50.152.66	A	mail.goasecretariatwifi.com
103.50.152.66	A	mail.quantasoul.com
103.50.152.102	A	en-routeindia.com
103.50.153.11	A	www.knsb.in
103.50.154.35	A	mail.sudicobank.com
103.50.154.43	A+PTR	mail.varachhabank.com
103.50.154.66	A	mail.klickdigitalpress.com