Robtex

Up: 124.7.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 124.7.16.0/23
Down right: 124.7.18.0/23

IP	Type	Hostname
124.7.16.32	PTR	segment-124-7.sify.net
124.7.16.109	PTR	segment-124-7.sify.net
124.7.16.119	PTR	segment-124-7.sify.net
124.7.16.255	PTR	segment-124-7.sify.net
124.7.17.0	PTR	segment-124-7.sify.net
124.7.17.24	PTR	segment-124-7.sify.net
124.7.17.38	PTR	segment-124-7.sify.net
124.7.17.70	PTR	segment-124-7.sify.net
124.7.17.90	PTR	segment-124-7.sify.net
124.7.17.115	PTR	segment-124-7.sify.net
124.7.17.122	PTR	segment-124-7.sify.net
124.7.17.132	PTR	segment-124-7.sify.net
124.7.17.238	PTR	segment-124-7.sify.net
124.7.17.254	PTR	segment-124-7.sify.net
124.7.18.0	PTR	segment-124-7.sify.net
124.7.18.1	PTR	segment-124-7.sify.net
124.7.18.36	PTR	segment-124-7.sify.net
124.7.18.37	PTR	segment-124-7.sify.net
124.7.18.39	PTR	segment-124-7.sify.net
124.7.18.49	PTR	segment-124-7.sify.net
124.7.18.114	PTR	segment-124-7.sify.net
124.7.18.115	PTR	segment-124-7.sify.net
124.7.18.122	PTR	segment-124-7.sify.net
124.7.18.148	PTR	segment-124-7.sify.net
124.7.18.153	PTR	segment-124-7.sify.net
124.7.18.157	PTR	segment-124-7.sify.net
124.7.18.159	PTR	segment-124-7.sify.net
124.7.18.163	PTR	segment-124-7.sify.net
124.7.18.165	PTR	segment-124-7.sify.net
124.7.18.171	PTR	segment-124-7.sify.net
124.7.18.172	PTR	segment-124-7.sify.net
124.7.18.185	PTR	segment-124-7.sify.net
124.7.18.192	PTR	segment-124-7.sify.net
124.7.18.214	PTR	segment-124-7.sify.net
124.7.18.254	PTR	segment-124-7.sify.net
124.7.19.106	PTR	segment-124-7.sify.net