Robtex

Up: 45.123.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 45.123.0.0/23
Down right: 45.123.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
45.123.0.134	A+PTR	mail.veremaxgroup.com
45.123.0.134	A+PTR	mail.grandiose.net.in
45.123.0.134	PTR	mail.veremax.co.in
45.123.0.148	A+PTR	mail.elitecorp.in
45.123.0.154	A	narayanagroup.co.in
45.123.0.154	A	www.narayanagroup.co.in
45.123.0.245	PTR	reverse.bluelotus
45.123.2.35	A	cloud.agathiar.in
45.123.3.114	A	www.rgca.org.in