Robtex

Up: 123.201.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 123.201.76.0/23
Down right: 123.201.78.0/23

IP	Type	Hostname
123.201.76.84	PTR	84-76-201-123.static.youbroadband.in
123.201.77.6	PTR	6-77-201-123.static.youbroadband.in
123.201.77.7	PTR	7-77-201-123.static.youbroadband.in
123.201.77.56	PTR	56-77-201-123.static.youbroadband.in
123.201.77.57	PTR	57-77-201-123.static.youbroadband.in
123.201.77.58	PTR	58-77-201-123.static.youbroadband.in
123.201.77.68	PTR	68-77-201-123.static.youbroadband.in
123.201.77.75	PTR	75-77-201-123.static.youbroadband.in
123.201.77.83	PTR	83-77-201-123.static.youbroadband.in
123.201.77.219	PTR	219-77-201-123.static.youbroadband.in
123.201.79.2	PTR	2-79-201-123.static.youbroadband.in
123.201.79.15	PTR	15-79-201-123.static.youbroadband.in
123.201.79.19	PTR	19-79-201-123.static.youbroadband.in
123.201.79.23	PTR	23-79-201-123.static.youbroadband.in
123.201.79.27	PTR	27-79-201-123.static.youbroadband.in
123.201.79.38	PTR	38-79-201-123.static.youbroadband.in
123.201.79.80	PTR	80-79-201-123.static.youbroadband.in
123.201.79.98	PTR	98-79-201-123.static.youbroadband.in
123.201.79.103	PTR	103-79-201-123.static.youbroadband.in
123.201.79.107	PTR	107-79-201-123.static.youbroadband.in
123.201.79.110	PTR	110-79-201-123.static.youbroadband.in
123.201.79.121	PTR	121-79-201-123.static.youbroadband.in
123.201.79.123	PTR	123-79-201-123.static.youbroadband.in
123.201.79.137	PTR	137-79-201-123.static.youbroadband.in
123.201.79.152	PTR	152-79-201-123.static.youbroadband.in
123.201.79.160	PTR	160-79-201-123.static.youbroadband.in
123.201.79.192	PTR	192-79-201-123.static.youbroadband.in
123.201.79.211	PTR	211-79-201-123.static.youbroadband.in
123.201.79.232	PTR	232-79-201-123.static.youbroadband.in