Robtex

Up: 163.121.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 163.121.0.0/20
Down right: 163.121.16.0/20
(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	mailer2.idsc.net.eg
163.121.2.5	A	mailer1.idsc.net.eg
163.121.2.5	A	mailer2.openmail.net.eg
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
163.121.2.90	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
163.121.4.1	A	localrt.idsc.gov.eg
163.121.4.50	A+PTR	mx3.hosted.idsc.net.eg
163.121.4.50	A+PTR	mail.out1.idsc.net.eg
163.121.4.119	A	operator.idsc.gov.eg
163.121.4.123	A	icict.gov.eg
163.121.4.230	A	net-manage.idsc.gov.eg
163.121.4.251	PTR	mx1.hosted.idsc.net.eg
163.121.4.251	A	mx1.egypttennis.com
163.121.4.251	A	mx1.sccourt.gov.eg
163.121.5.58	PTR	0-3-0.kazam0.idsc.gov.eg
163.121.6.2	PTR	hosted.idsc.net.eg
163.121.6.2	A	mail.idsc.net.eg
163.121.6.2	A	mail.asush.com.eg
163.121.6.6	A	mx3.hosted.idsc.net.eg
163.121.8.2	A+PTR	kaedge01.idsc.gov.eg
163.121.8.8	PTR	kalink01.idsc.gov.eg
163.121.8.13	PTR	www.presidency.gov.eg
163.121.9.1	PTR	1-9.idsc.gov.eg
163.121.10.128	PTR	128-10.idsc.gov.eg
163.121.12.2	A	mail.iti.mcit.gov.eg
163.121.13.161	PTR	governorates.idsc.gov.eg
163.121.15.6	PTR	subnet15.idsc.gov.eg
163.121.15.7	PTR	subnet15.idsc.gov.eg
163.121.15.15	A	ns4.idsc.gov.eg
163.121.15.15	A	ns2.idsc.gov.eg
163.121.15.32	PTR	subnet15.idsc.gov.eg
163.121.15.33	PTR	subnet15.idsc.gov.eg
163.121.15.35	PTR	subnet15.idsc.gov.eg
163.121.15.36	PTR	subnet15.idsc.gov.eg
163.121.15.67	PTR	subnet15.idsc.gov.eg
163.121.15.68	PTR	subnet15.idsc.gov.eg
163.121.15.100	PTR	subnet15.idsc.gov.eg
163.121.15.101	PTR	subnet15.idsc.gov.eg
163.121.15.105	PTR	subnet15.idsc.gov.eg
163.121.15.130	PTR	subnet15.idsc.gov.eg
163.121.15.131	PTR	subnet15.idsc.gov.eg
163.121.15.160	PTR	subnet15.idsc.gov.eg
163.121.15.162	PTR	subnet15.idsc.gov.eg
163.121.15.193	PTR	subnet15.idsc.gov.eg
163.121.15.194	PTR	subnet15.idsc.gov.eg
163.121.15.195	PTR	subnet15.idsc.gov.eg
163.121.15.224	PTR	subnet15.idsc.gov.eg
163.121.19.12	PTR	www.library.idsc.gov.eg
163.121.19.13	PTR	mail.imcapi2008.gov.eg
163.121.19.13	PTR	exchange.mail.idsc.gov.eg
163.121.19.55	A	mold.gov.eg
163.121.19.55	A	www.mold.gov.eg
163.121.19.55	A	mahlyat.eg
163.121.19.81	A	www.library.idsc.gov.eg
163.121.19.82	A	future.gov.eg
163.121.19.91	A+PTR	preview.idsc.gov.eg
163.121.19.107	PTR	www.studies.idsc.gov.eg
163.121.19.107	A	www.azc.gov.eg
163.121.19.107	A	ciet.gov.eg
163.121.19.109	PTR	www.emigration.gov.eg
163.121.19.117	PTR	my.idsc.net.eg
163.121.19.117	PTR	mail.my.idsc.net.eg
163.121.19.117	PTR	www.my.idsc.net.eg
163.121.19.185	A	economic.idsc.gov.eg
163.121.19.185	A	www.economic.idsc.gov.eg
163.121.19.186	PTR	alis.idsc.gov.eg
163.121.19.186	PTR	publishers.idsc.gov.eg
163.121.19.186	PTR	studies.idsc.gov.eg
163.121.20.192	PTR	dss.idsc.gov.eg
163.121.22.1	PTR	library.idsc.gov.eg
163.121.22.2	PTR	library.idsc.gov.eg
163.121.22.32	PTR	library.idsc.gov.eg
163.121.22.33	PTR	library.idsc.gov.eg
163.121.22.67	PTR	library.idsc.gov.eg
163.121.22.71	PTR	library.idsc.gov.eg
163.121.22.96	PTR	library.idsc.gov.eg
163.121.22.99	PTR	library.idsc.gov.eg
163.121.22.101	PTR	library.idsc.gov.eg
163.121.22.163	PTR	library.idsc.gov.eg
163.121.22.197	PTR	library.idsc.gov.eg
163.121.22.198	PTR	library.idsc.gov.eg
163.121.22.224	PTR	library.idsc.gov.eg
163.121.22.225	PTR	library.idsc.gov.eg
163.121.22.226	PTR	library.idsc.gov.eg
163.121.24.123	A	mail.riti-events.org
163.121.24.184	A	ritsec.org.eg
163.121.24.205	A	alnourwalamal.org
163.121.29.10	A	www.shakwa.eg
163.121.29.20	A	www.mkm.gov.eg
163.121.29.20	A	www.agrimuseum.gov.eg
163.121.29.20	A	www.care.gov.eg