Robtex

Up: 168.243.204.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 168.243.204.0/25
Down right: 168.243.204.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
168.243.204.5	PTR	ip-cust-sv13005.telefonica-ca.net
168.243.204.9	PTR	ip-cust-sv13009.telefonica-ca.net
168.243.204.9	A	espino.rree.gob.sv
168.243.204.20	PTR	ip-cust-sv13020.telefonica-ca.net
168.243.204.20	A	jucuaran.cnbelsalvador.org.sv
168.243.204.24	A	acajutla.rree.gob.sv
168.243.204.25	PTR	ip-cust-sv13025.telefonica-ca.net
168.243.204.25	A	joateca.rree.gob.sv
168.243.204.25	A	biblioteca.rree.gob.sv
168.243.204.26	PTR	ip-cust-sv13026.telefonica-ca.net
168.243.204.26	A	jujutla.rree.gob.sv
168.243.204.26	A	rree.gob.sv
168.243.204.27	PTR	ip-cust-sv13027.telefonica-ca.net
168.243.204.27	A	rree.gob.sv
168.243.204.27	A	lempa.rree.gob.sv
168.243.204.29	PTR	ip-cust-sv13029.telefonica-ca.net
168.243.204.29	A	consuladogeorgia.rree.gob.sv
168.243.204.29	A	embajadapanama.rree.gob.sv
168.243.204.31	A+PTR	smtp.rree.gob.sv
168.243.204.31	A	mail.elsalvador.org
168.243.204.31	A	smtp.elsalvador.org
168.243.204.33	A	cooperacion.rree.gob.sv
168.243.204.33	A	jayaque.rree.gob.sv
168.243.204.38	A	mail.rree.gob.sv
168.243.204.48	A	moncagua.pasaportes.gob.sv
168.243.204.50	A	ieesford.edu.sv
168.243.204.50	A	jutiapa.ieesford.edu.sv
168.243.204.57	PTR	ip-cust-sv13057.telefonica-ca.net
168.243.204.59	PTR	ip-cust-sv13059.telefonica-ca.net
168.243.204.59	A	verapaz.rree.gob.sv
168.243.204.75	PTR	ip-cust-sv13075.telefonica-ca.net
168.243.204.75	A	ns2.cnr.gob.sv
168.243.204.84	PTR	ip-cust-sv13084.telefonica-ca.net
168.243.204.84	A	servidorceren-01.colegioceren.edu.sv
168.243.204.90	PTR	gate2.cnr.gob.sv
168.243.204.90	A	gate4.cnr.gob.sv