Robtex

Up: 115.117.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 115.117.248.0/22
Down right: 115.117.252.0/22

IP	Type	Hostname
115.117.251.218	PTR	115.117.251.218.static-hyderabad.vsnl.net.in
115.117.253.107	PTR	115.117.253.107.static-hyderabad.vsnl.net.in
115.117.253.155	PTR	115.117.253.155.static-hyderabad.vsnl.net.in
115.117.254.105	PTR	115.117.254.105.static-hyderabad.vsnl.net.in
115.117.254.153	PTR	115.117.254.153.static-hyderabad.vsnl.net.in
115.117.255.19	PTR	115.117.255.19.static-hyderabad.vsnl.net.in