Robtex

Up: 61.17.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.17.12.0/23
Down right: 61.17.14.0/23

IP	Type	Hostname
61.17.12.117	PTR	static61.17.12-117.vsnl.eth.net
61.17.13.0	PTR	61.17.13.0.dynamic.pune.vsnl.net.in
61.17.13.143	PTR	61.17.13.143.dynamic.pune.vsnl.net.in
61.17.13.211	PTR	61.17.13.211.dynamic.pune.vsnl.net.in
61.17.13.255	PTR	61.17.13.255.static.vsnl.net.in
61.17.14.0	PTR	61.17.14.0.static.vsnl.net.in
61.17.14.16	PTR	static61.17.14-16.vsnl.eth.net
61.17.14.20	PTR	61.17.14.20.static.vsnl.net.in
61.17.14.22	PTR	61.17.14.22.static.vsnl.net.in
61.17.14.49	PTR	61.17.14.49.static.vsnl.net.in
61.17.14.58	PTR	61.17.14.58.static.vsnl.net.in
61.17.14.82	PTR	61.17.14.82.static.vsnl.net.in
61.17.14.84	PTR	61.17.14.84.static.vsnl.net.in
61.17.14.95	PTR	61.17.14.95.static.vsnl.net.in
61.17.14.119	PTR	61.17.14.119.static.vsnl.net.in
61.17.14.123	PTR	61.17.14.123.static.vsnl.net.in
61.17.14.126	PTR	61.17.14.126.static.vsnl.net.in
61.17.14.180	PTR	61.17.14.180.static.vsnl.net.in
61.17.14.188	PTR	static61.17.14-188.vsnl.eth.net
61.17.14.206	PTR	static61.17.14-206.vsnl.eth.net
61.17.14.226	PTR	61.17.14.226.static.vsnl.net.in
61.17.14.247	PTR	static61.17.14-247.vsnl.eth.net
61.17.15.4	PTR	61.17.15.4.static.vsnl.net.in
61.17.15.15	PTR	static61.17.15-15.vsnl.eth.net
61.17.15.18	PTR	static61.17.15-18.vsnl.eth.net
61.17.15.39	PTR	61.17.15.39.static.vsnl.net.in
61.17.15.40	PTR	61.17.15.40.static.vsnl.net.in
61.17.15.43	PTR	61.17.15.43.static.vsnl.net.in
61.17.15.56	PTR	61.17.15.56.static.vsnl.net.in
61.17.15.77	PTR	61.17.15.77.static.vsnl.net.in
61.17.15.81	PTR	static61.17.15-81.vsnl.eth.net
61.17.15.99	PTR	static61.17.15-99.vsnl.eth.net
61.17.15.118	PTR	61.17.15.118.static.vsnl.net.in
61.17.15.144	PTR	static61.17.15-144.vsnl.eth.net
61.17.15.199	PTR	61.17.15.199.static.vsnl.net.in
61.17.15.201	PTR	61.17.15.201.static.vsnl.net.in
61.17.15.216	PTR	61.17.15.216.static.vsnl.net.in
61.17.15.255	PTR	61.17.15.255.static.vsnl.net.in