Robtex

Up: 61.11.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 61.11.32.0/20
Down right: 61.11.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.11.32.14	A	mindspaces.com
61.11.32.64	PTR	61.11.32.64.static.vsnl.net.in
61.11.33.97	PTR	61.11.33.97-bb.static.vsnl.net.in
61.11.33.99	PTR	61.11.33.99-bb.static.vsnl.net.in
61.11.33.131	PTR	61.11.33.131-bb.static.vsnl.net.in
61.11.33.195	PTR	61.11.33.195-bb.static.vsnl.net.in
61.11.33.227	PTR	61.11.33.227-bb.static.vsnl.net.in
61.11.34.35	PTR	bb-static34-35.vsnl.net.in
61.11.34.64	PTR	bb-static34-64.vsnl.net.in
61.11.34.161	PTR	bb-static34-161.vsnl.net.in
61.11.34.192	PTR	bb-static34-192.vsnl.net.in
61.11.34.227	PTR	bb-static34-227.vsnl.net.in
61.11.35.65	PTR	61.11.35.65-bb.static.vsnl.net.in
61.11.35.67	PTR	61.11.35.67.static.vsnl.net.in
61.11.35.103	A	abhishek.in
61.11.35.103	A	mail2.abhishek.in
61.11.42.32	PTR	61.11.42.32.static.vsnl.net.in
61.11.42.34	PTR	61.11.42.34.static.vsnl.net.in
61.11.42.130	PTR	61.11.42.130.static.vsnl.net.in
61.11.42.160	PTR	static42-160.dsl-tvm.eth.net
61.11.42.225	PTR	61.11.42.225.static.vsnl.net.in
61.11.44.1	PTR	61.11.44.1.static.vsnl.net.in
61.11.45.23	PTR	61.11.45.23.static.vsnl.net.in
61.11.45.23	A	mail.texmob2b.com
61.11.45.23	A	texmob2b.com
61.11.45.53	A	marymartinbooks.com
61.11.46.1	PTR	61.11.46.1.static.vsnl.net.in
61.11.46.34	PTR	static46-34.dsl-coc.eth.net
61.11.46.67	PTR	61.11.46.67.static.vsnl.net.in
61.11.46.96	PTR	61.11.46.96.static.vsnl.net.in
61.11.46.98	PTR	61.11.46.98.static.vsnl.net.in
61.11.47.3	PTR	ppp47-3.dsl-coc.eth.net
61.11.47.4	PTR	ppp47-4.dsl-coc.eth.net
61.11.47.34	PTR	ppp47-34.dsl-coc.eth.net
61.11.47.64	PTR	ppp47-64.dsl-coc.eth.net
61.11.47.66	PTR	ppp47-66.dsl-coc.eth.net
61.11.47.67	PTR	ppp47-67.dsl-coc.eth.net
61.11.47.97	PTR	ppp47-97.dsl-coc.eth.net
61.11.47.98	PTR	ppp47-98.dsl-coc.eth.net
61.11.47.195	PTR	ppp47-195.dsl-coc.eth.net
61.11.47.225	PTR	ppp47-225.dsl-coc.eth.net
61.11.48.32	PTR	61.11.48.32.static.vsnl.net.in
61.11.48.35	PTR	61.11.48.35.static.vsnl.net.in
61.11.48.65	PTR	61.11.48.65.static.vsnl.net.in
61.11.48.125	A	hssindia01.hssindia.net
61.11.48.128	PTR	61.11.48.128.static.vsnl.net.in
61.11.48.130	PTR	61.11.48.130.static.vsnl.net.in
61.11.48.163	PTR	61.11.48.163.static.vsnl.net.in
61.11.48.193	PTR	61.11.48.193.static.vsnl.net.in
61.11.48.224	PTR	61.11.48.224.static.vsnl.net.in
61.11.49.0	PTR	61.11.49.0.static.vsnl.net.in
61.11.49.2	PTR	61.11.49.2.static.vsnl.net.in
61.11.49.67	PTR	61.11.49.67.static.vsnl.net.in
61.11.49.129	PTR	61.11.49.129.static.vsnl.net.in
61.11.49.131	PTR	61.11.49.131.static.vsnl.net.in
61.11.49.160	PTR	61.11.49.160.static.vsnl.net.in
61.11.49.224	PTR	61.11.49.224.static.vsnl.net.in
61.11.49.225	PTR	61.11.49.225.static.vsnl.net.in
61.11.49.226	PTR	61.11.49.226.static.vsnl.net.in
61.11.49.227	PTR	61.11.49.227.static.vsnl.net.in
61.11.50.1	PTR	61.11.50.1.static.vsnl.net.in
61.11.50.32	PTR	61.11.50.32.static.vsnl.net.in
61.11.50.162	PTR	61.11.50.162.static.vsnl.net.in
61.11.51.209	A	xdrive.in
61.11.53.68	PTR	61.11.53.68.static.vsnl.net.in
61.11.54.2	PTR	61.11.54.2.static.vsnl.net.in
61.11.54.35	PTR	61.11.54.35.static-hyderabad.vsnl.net.in
61.11.54.64	PTR	61.11.54.64.static-hyderabad.vsnl.net.in
61.11.54.66	PTR	61.11.54.66.static.vsnl.net.in
61.11.54.96	PTR	61.11.54.96.static.vsnl.net.in
61.11.54.97	PTR	61.11.54.97.static.vsnl.net.in
61.11.54.98	PTR	61.11.54.98.static.vsnl.net.in
61.11.54.130	PTR	61.11.54.130.static.vsnl.net.in
61.11.54.131	PTR	61.11.54.131.static.vsnl.net.in
61.11.54.163	PTR	61.11.54.163.static.vsnl.net.in
61.11.56.233	A	mailwall.webwall.net
61.11.58.4	PTR	ppp61.11.58-4.dsl-blr.eth.net
61.11.58.33	PTR	61.11.58.33.static.vsnl.net.in
61.11.58.64	PTR	61.11.58.64.static.vsnl.net.in
61.11.58.65	PTR	61.11.58.65.static.vsnl.net.in
61.11.58.66	PTR	ppp61.11.58-66.dsl-blr.eth.net
61.11.58.97	PTR	61.11.58.97.static.vsnl.net.in
61.11.58.160	PTR	61.11.58.160.static.vsnl.net.in
61.11.58.193	PTR	61.11.58.193.static.vsnl.net.in
61.11.58.225	PTR	61.11.58.225.static.vsnl.net.in
61.11.59.2	PTR	61.11.59.2.static.vsnl.net.in
61.11.59.4	PTR	61.11.59.4.static.vsnl.net.in
61.11.59.66	PTR	ppp59-66.dsl-blr.eth.net
61.11.59.160	PTR	61.11.59.160.static.vsnl.net.in
61.11.59.195	PTR	61.11.59.195.static.vsnl.net.in
61.11.61.216	PTR	61.11.61.216.static.vsnl.net.in
61.11.62.0	PTR	61.11.62.0.static-bangalore.vsnl.net.in
61.11.62.3	PTR	61.11.62.3.static-bangalore.vsnl.net.in
61.11.62.34	PTR	61.11.62.34.static-bangalore.vsnl.net.in
61.11.62.35	PTR	61.11.62.35.static-bangalore.vsnl.net.in
61.11.62.67	PTR	61.11.62.67.static-bangalore.vsnl.net.in
61.11.62.129	PTR	61.11.62.129.static-bangalore.vsnl.net.in
61.11.62.130	PTR	61.11.62.130.static-bangalore.vsnl.net.in
61.11.62.160	PTR	61.11.62.160.static-bangalore.vsnl.net.in
61.11.62.224	PTR	61.11.62.224.static-bangalore.vsnl.net.in
61.11.62.225	PTR	ma25.map-india.org