Robtex

Up: 220.227.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.227.44.0/23
Down right: 220.227.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.227.44.60	PTR	rel60.venusremedies.com
220.227.44.61	PTR	rel61.venusremedies.com
220.227.44.69	A+PTR	mx10.jcbl.com
220.227.44.69	A	mx1.jcbl.com
220.227.44.69	A	mx10.jcbltippers.com
220.227.44.90	A	mail.haco-india.com
220.227.45.53	A	cskms.in
220.227.46.18	PTR	ynrmail.isgec.com
220.227.46.18	A	mail.isgectitan.com
220.227.46.18	A	mail2.isgec.com
220.227.46.19	PTR	ynrmail.isgec.com
220.227.46.182	A	birla-sugar.in
220.227.46.182	A	mail.birla-sugar.in
220.227.46.182	A	mail1.birla-sugar.in
220.227.47.130	A	mail1.diginatives.com
220.227.47.132	PTR	mail1.mdvl.in