Robtex

Up: 210.210.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.210.56.0/22
Down right: 210.210.60.0/22

IP	Type	Hostname
210.210.57.2	A	210-210-57-2.lan.sify.net
210.210.57.98	A	210-210-57-98.lan.sify.net
210.210.57.122	A	210-210-57-122.lan.sify.net
210.210.57.255	A	210-210-57-255.lan.sify.net
210.210.59.0	A+PTR	210-210-59-0.lan.sify.net
210.210.60.41	A	210-210-60-41.lan.sify.net
210.210.60.99	A+PTR	210-210-60-99.lan.sify.net
210.210.63.98	PTR	210-210-63-98.lan.sify.net
210.210.63.135	A	210-210-63-135.lan.sify.net
210.210.63.145	A	210-210-63-145.lan.sify.net
210.210.63.162	PTR	210-210-63-162.lan.sify.net
210.210.63.179	PTR	210-210-63-179.lan.sify.net
210.210.63.189	A	210-210-63-189.lan.sify.net