Robtex

Up: 223.30.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 223.30.44.0/23
Down right: 223.30.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
223.30.44.3	PTR	segment-223-30.sify.net
223.30.44.3	A	www.amrutanjan.com
223.30.44.3	A	amrutanjan.com
223.30.44.4	PTR	segment-223-30.sify.net
223.30.44.4	A	amrutanjan.in
223.30.44.5	A	owa.amrutanjan.com
223.30.44.10	PTR	segment-223-30.sify.net
223.30.44.10	A	amrutanjan.co.in
223.30.44.166	A	shani.cstep.in
223.30.45.188	A	mail.gwcindia.co.in
223.30.45.190	A	email.gwcindia.in
223.30.47.91	A+PTR	m.swagath.in
223.30.47.91	A	m.theshraman.com
223.30.47.91	A	m.jrbfoods.in
223.30.47.169	PTR	segment-223-30.sify.net