Robtex

Up: 163.121.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 163.121.2.0/25
Down right: 163.121.2.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.121.2.2	A+PTR	ns.idsc.gov.eg
163.121.2.3	PTR	ritsec.com.eg
163.121.2.4	PTR	ritsec1.com.eg
163.121.2.5	A+PTR	idsc1.gov.eg
163.121.2.5	A+PTR	mailer2.idsc.net.eg
163.121.2.5	A+PTR	mailer2.openmail.net.eg
163.121.2.7	PTR	testradius.idsc.gov.eg
163.121.2.10	A+PTR	racs.idsc.gov.eg
163.121.2.11	PTR	mailhub.idsc.net.eg
163.121.2.15	A+PTR	mailer7.idsc.net.eg
163.121.2.16	PTR	riti-mscs.ritsec.com.eg
163.121.2.17	PTR	mba.riti.org
163.121.2.47	A	mailhub.openmail.net.eg
163.121.2.47	A	mailhub.idsc.net.eg
163.121.2.50	A+PTR	mail.out.idsc.net.eg
163.121.2.61	A+PTR	ns1.idsc.gov.eg
163.121.2.63	A+PTR	ns3.idsc.gov.eg
163.121.2.90	A+PTR	otherserver.idsc.gov.eg
163.121.2.103	PTR	ritsec3.com.eg
163.121.2.103	A	mailer6.idsc.net.eg
163.121.2.105	PTR	ritsec2.com.eg
163.121.2.118	A+PTR	mailer8.openmail.net.eg
163.121.2.177	A+PTR	mailhub2.idsc.gov.eg
163.121.2.198	PTR	support.idsc.gov.eg
163.121.2.201	A	nstest.idsc.gov.eg
163.121.2.223	A	scmgateway.idsc.gov.eg