Robtex

Up: 220.227.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.227.216.0/23
Down right: 220.227.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.227.217.4	A	webmail.samsaragroup.com
220.227.217.35	A	mx1.mangalkeshav.com
220.227.217.36	PTR	mumbai.mangalkeshav.com
220.227.218.9	A	walkersresearch.com
220.227.218.9	A	wrbetaonline.com
220.227.218.12	A	ns1.indiacareerportal.com
220.227.218.12	A	oec.indiacareerportal.com
220.227.218.12	A	incoinfo.com
220.227.218.13	PTR	mail1.zapak.com
220.227.218.46	PTR	smtp3.zapak.com
220.227.218.55	PTR	mail2.zapak.com
220.227.219.28	PTR	srpce.ac.in
220.227.219.133	A	res.ycce.edu