Robtex

Up: 122.15.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 122.15.60.0/23
Down right: 122.15.62.0/23

IP	Type	Hostname
122.15.60.187	A+PTR	mx1.semaphoreindia.com
122.15.60.187	A	mail1.semaphoreindia.com
122.15.60.187	A	mx.semaphoreindia.com
122.15.60.188	A+PTR	ns5.semaphoreindia.com
122.15.60.189	A	esspl.in
122.15.60.189	A	looksofbengal.com
122.15.60.189	A	semaphoreindia.com