Robtex

Up: 223.30.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 223.30.16.0/21
Down right: 223.30.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
223.30.18.37	A	lp1.aarogyasri.gov.in
223.30.18.38	A	www.ehs.ap.gov.in
223.30.18.40	A	mta1.aarogyasri.gov.in
223.30.18.40	A	mail.aarogyasri.gov.in
223.30.20.230	PTR	segment-223-30.sify.net
223.30.21.67	PTR	segment-223-30.sify.net
223.30.21.130	PTR	segment-223-30.sify.net
223.30.23.15	A	acs.onlinesbi.com
223.30.26.34	A	trinitycampus.in
223.30.26.34	A	mail.trinitycampus.in
223.30.26.34	A	www.trinitycampus.in
223.30.26.62	A	cdedse.org
223.30.26.194	PTR	segment-223-30.sify.net
223.30.27.10	PTR	223-30-0-0.lan.sify.net
223.30.28.82	PTR	segment-223-30.sify.net
223.30.30.62	PTR	segment-223-30.sify.net
223.30.30.110	PTR	segment-223-30.sify.net
223.30.30.178	PTR	segment-223-30.sify.net
223.30.30.202	PTR	segment-223-30.sify.net
223.30.30.226	PTR	segment-223-30.sify.net
223.30.31.106	A	mail.sjihct.in
223.30.31.106	A	www.aldel.in
223.30.31.106	A	www.sjchs.in