Robtex

Up: 223.31.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 223.31.64.0/23
Down right: 223.31.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
223.31.65.165	A	www.eurja-guvnl.com
223.31.65.165	A	eurja-guvnl.com
223.31.65.166	A	gebtender.com
223.31.65.170	A+PTR	gebmail.com
223.31.65.170	A	www.gebmail.com
223.31.65.171	A+PTR	mail2.gebmail.com
223.31.65.172	A	www.pgvcl.com
223.31.65.172	A	pgvcl.com
223.31.65.172	A	www.dgvcl.com
223.31.65.174	PTR	ocs.guvnl.com
223.31.65.185	A	guvnl.com
223.31.65.185	A	www.gseb.com
223.31.65.185	A	gseb.com
223.31.65.190	A+PTR	mail.gprd.in
223.31.65.211	A+PTR	mail.orientalinsurance.co.in
223.31.65.212	A+PTR	mx1.orientalinsurance.co.in
223.31.65.213	A+PTR	mx2.orientalinsurance.co.in
223.31.67.1	A	ns1.gsi.gov.in
223.31.67.4	A	www.gsi.gov.in
223.31.67.4	A	gsi.gov.in
223.31.67.9	A+PTR	mail.gsi.gov.in