Robtex

Up: 210.210.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.210.31.0/25
Down right: 210.210.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.210.31.0	PTR	210-210-31-0.lan.sify.net
210.210.31.4	PTR	210-210-31-4.lan.sify.net
210.210.31.14	PTR	210-210-31-14.lan.sify.net
210.210.31.18	PTR	210-210-31-18.lan.sify.net
210.210.31.18	A	*.apnainvestment.com
210.210.31.18	A	mobile.apnapaisa.com
210.210.31.20	PTR	210-210-31-20.lan.sify.net
210.210.31.20	A	apnapaisa.co.in
210.210.31.27	PTR	210-210-31-27.lan.sify.net
210.210.31.32	PTR	210-210-31-32.lan.sify.net
210.210.31.44	PTR	210-210-31-44.lan.sify.net
210.210.31.48	PTR	210-210-31-48.lan.sify.net
210.210.31.49	PTR	210-210-31-49.lan.sify.net
210.210.31.52	PTR	210-210-31-52.lan.sify.net
210.210.31.65	PTR	210-210-31-65.lan.sify.net
210.210.31.71	PTR	210-210-31-71.lan.sify.net
210.210.31.87	PTR	210-210-31-87.lan.sify.net
210.210.31.89	PTR	210-210-31-89.lan.sify.net
210.210.31.95	PTR	210-210-31-95.lan.sify.net
210.210.31.101	PTR	210-210-31-101.lan.sify.net
210.210.31.109	PTR	210-210-31-109.lan.sify.net
210.210.31.111	PTR	210-210-31-111.lan.sify.net
210.210.31.112	PTR	210-210-31-112.lan.sify.net
210.210.31.129	PTR	210-210-31-129.lan.sify.net
210.210.31.132	PTR	210-210-31-132.lan.sify.net
210.210.31.146	PTR	210-210-31-146.lan.sify.net
210.210.31.151	PTR	210-210-31-151.lan.sify.net
210.210.31.157	PTR	210-210-31-157.lan.sify.net
210.210.31.167	PTR	210-210-31-167.lan.sify.net
210.210.31.168	PTR	210-210-31-168.lan.sify.net
210.210.31.173	PTR	210-210-31-173.lan.sify.net
210.210.31.180	PTR	210-210-31-180.lan.sify.net
210.210.31.182	PTR	210-210-31-182.lan.sify.net
210.210.31.185	PTR	210-210-31-185.lan.sify.net
210.210.31.189	PTR	210-210-31-189.lan.sify.net
210.210.31.194	PTR	210-210-31-194.lan.sify.net
210.210.31.197	PTR	210-210-31-197.lan.sify.net
210.210.31.203	PTR	210-210-31-203.lan.sify.net
210.210.31.208	PTR	210-210-31-208.lan.sify.net
210.210.31.210	PTR	210-210-31-210.lan.sify.net
210.210.31.213	PTR	210-210-31-213.lan.sify.net
210.210.31.216	PTR	210-210-31-216.lan.sify.net
210.210.31.222	PTR	210-210-31-222.lan.sify.net
210.210.31.227	PTR	210-210-31-227.lan.sify.net
210.210.31.233	PTR	210-210-31-233.lan.sify.net
210.210.31.234	PTR	210-210-31-234.lan.sify.net
210.210.31.246	PTR	210-210-31-246.lan.sify.net
210.210.31.253	PTR	210-210-31-253.lan.sify.net
210.210.31.254	PTR	210-210-31-254.lan.sify.net
210.210.31.255	PTR	210-210-31-255.lan.sify.net