Robtex

Up: 168.243.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 168.243.0.0/21
Down right: 168.243.8.0/21

IP	Type	Hostname
168.243.1.0	A	168.243.180-static.reverse.softlayer.com
168.243.1.1	A	r-uca.uca.edu.sv
168.243.1.2	PTR	ns.uca.edu.sv
168.243.1.2	A	fefwt.uca.edu.sv
168.243.1.4	A	mafimaf.edu.sv
168.243.1.19	A	crc.uca.edu.sv
168.243.1.22	A	www.nic.sv
168.243.1.68	A	asg06.uca.edu.sv
168.243.1.76	A	ucaeditores.com.sv
168.243.1.77	A	cbues.org.sv
168.243.1.85	A	swsia.uca.edu.sv
168.243.1.111	A	buho.uca.edu.sv
168.243.1.111	A	eco.uca.edu.sv
168.243.1.111	A	ing.uca.edu.sv
168.243.1.124	A	asg01.uca.edu.sv
168.243.1.124	A	asg.uca.edu.sv
168.243.2.6	A	168.243.206-static.reverse.softlayer.com
168.243.2.167	A	virtual.ues.edu.sv
168.243.2.168	A+PTR	ri.ues.edu.sv
168.243.2.246	A+PTR	computocentral.ues.edu.sv
168.243.5.2	A	www.amschool.edu.sv
168.243.5.2	A	ns.amschool.edu.sv
168.243.5.8	A+PTR	eamail.amschool.edu.sv
168.243.5.8	A	www1.amschool.edu.sv
168.243.7.18	A+PTR	www.jurisprudencia.ues.edu.sv
168.243.7.68	PTR	dns2.ues.edu.sv
168.243.7.68	A	correo.cimat.ues.edu.sv
168.243.7.73	A	ns.ricardorios.net
168.243.7.73	A	ricardorios.net
168.243.7.94	PTR	correo.cimat.ues.edu.sv
168.243.7.132	PTR	campusvirtual.ues.edu.sv
168.243.7.135	A+PTR	mail.ues.edu.sv
168.243.7.135	A	mail.academica.ues.edu.sv
168.243.7.148	A	www.academica.ues.edu.sv
168.243.7.149	A+PTR	empleados.ues.edu.sv
168.243.7.155	A	ns.fmp.ues.edu.sv
168.243.7.158	A	debian.ues.edu.sv
168.243.7.161	PTR	saa.ues.edu.sv
168.243.7.176	PTR	ues.edu.sv
168.243.7.178	PTR	www.ues.edu.sv
168.243.8.4	PTR	fia.ues.edu.sv
168.243.8.4	PTR	mail.fia.ues.edu.sv
168.243.8.27	PTR	www.fia.ues.edu.sv
168.243.8.38	PTR	aulacn.ues.edu.sv
168.243.8.43	PTR	cndb.ues.edu.sv
168.243.8.70	PTR	milton.academica.ues.edu.sv
168.243.8.131	A	med.ues.edu.sv
168.243.10.151	A+PTR	ns.conacyt.gob.sv
168.243.10.151	A	www.conacyt.gob.sv
168.243.11.3	PTR	srv-com.cnr.gob.sv
168.243.11.3	PTR	mail.srv-com.cnr.gob.sv
168.243.11.4	PTR	gate2.cnr.gob.sv
168.243.11.6	PTR	correo.cnr.gob.sv
168.243.11.6	PTR	mail.cnr.gob.sv
168.243.11.20	PTR	www.cnr.gob.sv
168.243.11.67	PTR	geomapa.cnr.gob.sv
168.243.11.110	PTR	jas.cnr.gob.sv
168.243.11.110	PTR	www.e.cnr.gob.sv
168.243.13.103	PTR	correo.infocentros.org.sv
168.243.13.104	A	mail.svnet.org.sv
168.243.13.104	A	conexion.org.sv
168.243.13.104	A	feriatic.com.sv
168.243.14.17	PTR	mx.infocentros.org.sv