Robtex

Up: 125.23.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 125.23.16.0/23
Down right: 125.23.18.0/23

IP	Type	Hostname
125.23.16.51	PTR	dsl-ncr-dynamic-051.16.23.125.airtelbroadband.in
125.23.16.76	PTR	dsl-ncr-dynamic-076.16.23.125.airtelbroadband.in
125.23.17.2	PTR	dsl-ncr-dynamic-002.17.23.125.airtelbroadband.in
125.23.17.155	PTR	dsl-ncr-dynamic-155.17.23.125.airtelbroadband.in
125.23.17.193	PTR	dsl-ncr-dynamic-193.17.23.125.airtelbroadband.in
125.23.18.163	PTR	dsl-ncr-dynamic-163.18.23.125.airtelbroadband.in
125.23.18.253	PTR	dsl-ncr-dynamic-253.18.23.125.airtelbroadband.in