Robtex

Up: 210.210.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.210.1.0/25
Down right: 210.210.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.210.1.4	PTR	210-210-1-4.lan.sify.net
210.210.1.27	A	linuxbulk.sify.net
210.210.1.43	PTR	210-210-1-43.lan.sify.net
210.210.1.43	A	gecountrywide.net
210.210.1.54	PTR	210-210-1-54.lan.sify.net
210.210.1.54	A	bankmuscat-sms.com
210.210.1.54	A	www.bankmuscat-sms.com
210.210.1.60	PTR	210-210-1-60.lan.sify.net
210.210.1.75	PTR	210-210-1-75.lan.sify.net
210.210.1.87	PTR	mail.csb.co.in
210.210.1.87	PTR	210-210-1-87.lan.sify.net
210.210.1.123	PTR	210-210-1-123.lan.sify.net
210.210.1.135	PTR	210-210-1-135.lan.sify.net
210.210.1.135	A	www.hansaestates.com
210.210.1.135	A	hansaestates.com
210.210.1.137	PTR	210-210-1-137.lan.sify.net
210.210.1.137	A	zestholidays.in
210.210.1.137	A	zestbreak.co.in
210.210.1.138	PTR	210-210-1-138.lan.sify.net
210.210.1.139	PTR	mail.incometaxindia.gov.in
210.210.1.140	PTR	210-210-1-140.lan.sify.net
210.210.1.152	PTR	210-210-1-152.lan.sify.net
210.210.1.164	PTR	210-210-1-164.lan.sify.net
210.210.1.165	PTR	210-210-1-165.lan.sify.net
210.210.1.166	PTR	210-210-1-166.lan.sify.net
210.210.1.173	PTR	210-210-1-173.lan.sify.net
210.210.1.173	A	mail.ttsnzisvisas.com
210.210.1.173	A	ttscs.co.in
210.210.1.179	PTR	210-210-1-179.lan.sify.net
210.210.1.179	A	sbidemat.biz
210.210.1.179	A	sbidemat.com
210.210.1.180	PTR	210-210-1-180.lan.sify.net