Robtex

Up: 125.23.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 125.23.4.0/23
Down right: 125.23.6.0/23

IP	Type	Hostname
125.23.4.131	PTR	dsl-ncr-dynamic-131.4.23.125.airtelbroadband.in
125.23.4.212	PTR	dsl-ncr-dynamic-212.4.23.125.airtelbroadband.in
125.23.4.249	PTR	dsl-ncr-dynamic-249.4.23.125.airtelbroadband.in
125.23.5.81	PTR	dsl-ncr-dynamic-081.5.23.125.airtelbroadband.in
125.23.5.118	PTR	dsl-ncr-dynamic-118.5.23.125.airtelbroadband.in
125.23.5.119	PTR	dsl-ncr-dynamic-119.5.23.125.airtelbroadband.in
125.23.5.124	PTR	dsl-ncr-dynamic-124.5.23.125.airtelbroadband.in