Robtex

Up: 203.199.210.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.199.211.0/25
Down right: 203.199.211.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.199.211.1	PTR	211.199.203.chennai.vsnl.com
203.199.211.33	PTR	64k-gw.r1.tndte.com
203.199.211.36	PTR	ns2.dotecc.net
203.199.211.37	A	dns1.tndte.com
203.199.211.39	PTR	mail.dotecc.net
203.199.211.67	PTR	cauvery.zohoindia.com
203.199.211.67	PTR	adventnet.co.in
203.199.211.73	PTR	godavari.zohoindia.com
203.199.211.89	PTR	noc1.zohonoc.com
203.199.211.105	PTR	ns3.vtitan.com
203.199.211.107	A	ganga.zohoindia.com
203.199.211.108	A	yamuna.zohoindia.com
203.199.211.109	A+PTR	tapti.zohoindia.com
203.199.211.111	A	mahanadi.zohoindia.com
203.199.211.126	A	mx.yourl.com
203.199.211.126	A	mx.zohospot.com
203.199.211.126	A	zohospace.com
203.199.211.145	PTR	mail.thinksoftglobal.com
203.199.211.194	A	internet-ns.thehindu.co.in
203.199.211.195	A	cmp-webserver.thehindu.co.in
203.199.211.196	PTR	ms1.thehindu.co.in
203.199.211.197	PTR	leased.thehindu.co.in
203.199.211.214	A	www.thehindugroup.com
203.199.211.214	A	thehindugroup.com