Robtex

Up: 1.39.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 1.39.4.0/23
Down right: 1.39.6.0/23

IP	Type	Hostname
1.39.4.55	PTR	1-39-4-55.live.vodafone.in
1.39.4.142	PTR	1-39-4-142.live.vodafone.in
1.39.5.2	PTR	1-39-5-2.live.vodafone.in
1.39.5.69	PTR	1-39-5-69.live.vodafone.in
1.39.5.71	PTR	1-39-5-71.live.vodafone.in
1.39.5.97	PTR	1-39-5-97.live.vodafone.in
1.39.5.99	PTR	1-39-5-99.live.vodafone.in
1.39.5.203	PTR	1-39-5-203.live.vodafone.in
1.39.6.2	PTR	1-39-6-2.live.vodafone.in
1.39.6.36	PTR	1-39-6-36.live.vodafone.in
1.39.6.40	PTR	1-39-6-40.live.vodafone.in
1.39.7.48	PTR	1-39-7-48.live.vodafone.in
1.39.7.82	PTR	1-39-7-82.live.vodafone.in
1.39.7.98	PTR	1-39-7-98.live.vodafone.in