Robtex

Up: 125.23.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 125.23.40.0/23
Down right: 125.23.42.0/23

IP	Type	Hostname
125.23.42.33	PTR	dsl-ncr-dynamic-033.42.23.125.airtelbroadband.in
125.23.42.36	PTR	dsl-ncr-dynamic-036.42.23.125.airtelbroadband.in
125.23.42.43	PTR	dsl-ncr-dynamic-043.42.23.125.airtelbroadband.in
125.23.42.59	PTR	dsl-ncr-dynamic-059.42.23.125.airtelbroadband.in
125.23.42.77	PTR	dsl-ncr-dynamic-077.42.23.125.airtelbroadband.in