Robtex

Up: 61.1.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.1.192.0/23
Down right: 61.1.194.0/23

IP	Type	Hostname
61.1.192.65	A+PTR	chn1lgn-a.sancharnet.in
61.1.192.65	A	mail.sapemus.com
61.1.192.66	A+PTR	chn1ww1-a.sancharnet.in
61.1.192.67	A+PTR	chn1lgn-a-fixed.sancharnet.in
61.1.192.68	A+PTR	chn1ww1-a-fixed.sancharnet.in
61.1.193.41	A+PTR	mdu1rr1-a.sancharnet.in
61.1.193.42	A+PTR	mdu1rr2-a.sancharnet.in
61.1.193.169	A+PTR	cbt1rr1-a.sancharnet.in
61.1.193.170	A+PTR	cbt1rr2-a.sancharnet.in