Robtex

Up: 210.18.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.18.40.0/22
Down right: 210.18.44.0/22

IP	Type	Hostname
210.18.41.157	A	210.18.41.157.sify.net
210.18.41.187	A+PTR	210.18.41.187.sify.net
210.18.41.190	A	210.18.41.190.sify.net
210.18.41.199	A	210.18.41.199.sify.net
210.18.41.227	A	210.18.41.227.sify.net
210.18.41.255	A	210.18.41.255.sify.net
210.18.43.102	A	210.18.43.102.sify.net
210.18.47.0	PTR	210.18.47.0.sify.net
210.18.47.11	PTR	210.18.47.11.sify.net
210.18.47.12	A	210.18.47.12.sify.net
210.18.47.32	A+PTR	210.18.47.32.sify.net
210.18.47.64	PTR	210.18.47.64.sify.net
210.18.47.75	PTR	210.18.47.75.sify.net
210.18.47.80	PTR	210.18.47.80.sify.net
210.18.47.88	PTR	210.18.47.88.sify.net
210.18.47.91	PTR	210.18.47.91.sify.net
210.18.47.120	PTR	210.18.47.120.sify.net
210.18.47.128	PTR	210.18.47.128.sify.net
210.18.47.234	A+PTR	210.18.47.234.sify.net