Robtex

Up: 103.23.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 103.23.140.0/25
Down right: 103.23.140.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.23.140.5	A	mailhost.elitecore.co.in
103.23.140.55	A+PTR	postmaster.elitecore.com
103.23.140.55	A	postmaster.24onlinebilling.com
103.23.140.55	A	webmail.elitecore.com
103.23.140.59	A	intranet.elitecore.com