Robtex

Up: 192.188.52.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.188.53.0/25
Down right: 192.188.53.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.188.53.10	A+PTR	antispamin.usfq.edu.ec
192.188.53.14	A+PTR	repositorio.usfq.edu.ec
192.188.53.20	A+PTR	proxy.usfq.edu.ec
192.188.53.21	A+PTR	prtg.usfq.edu.ec
192.188.53.25	A+PTR	login.usfq.edu.ec
192.188.53.26	A+PTR	ntp.usfq.edu.ec
192.188.53.28	A+PTR	nomina.usfq.edu.ec
192.188.53.28	A	vue.usfq.edu.ec
192.188.53.30	A	yoda.usfq.edu.ec
192.188.53.40	A+PTR	bib.usfq.edu.ec
192.188.53.41	A+PTR	distance.usfq.edu.ec
192.188.53.64	A	unigis.usfq.edu.ec
192.188.53.67	A	portal.usfq.edu.ec
192.188.53.68	A+PTR	router.usfq.edu.ec
192.188.53.69	PTR	host-192.188.53.69.usfq.edu.ec
192.188.53.69	A	www.usfq.ec
192.188.53.72	A+PTR	webmail.usfq.edu.ec
192.188.53.77	A	evaluaciones.usfq.edu.ec
192.188.53.80	A	cocoaradio.usfq.edu.ec
192.188.53.85	A+PTR	ssb.usfq.edu.ec
192.188.53.100	A+PTR	ezbiblio.usfq.edu.ec
192.188.53.110	PTR	www.usfq.edu.ec
192.188.53.110	A	usfq.net
192.188.53.110	A	usfq.edu.ec
192.188.53.117	A	investigaciones.usfq.edu.ec
192.188.53.128	A+PTR	www1.usfq.edu.ec
192.188.53.140	A+PTR	ethos.usfq.edu.ec
192.188.53.205	A+PTR	www4.usfq.edu.ec
192.188.53.205	A	cisco.usfq.edu.ec
192.188.53.205	A	cocoa.usfq.edu.ec
192.188.53.210	A+PTR	miusfv.usfq.edu.ec
192.188.53.211	A+PTR	escueladeempresas.usfq.edu.ec
192.188.53.214	A+PTR	vpn.usfq.edu.ec
192.188.53.218	A	learningdis.usfq.edu.ec
192.188.53.222	PTR	ns1.usfq.edu.ec
192.188.53.222	A	usfq.net
192.188.53.222	A	usfq.edu.ec
192.188.53.223	PTR	ns2.usfq.edu.ec
192.188.53.223	A	usfq.net
192.188.53.223	A	usfq.edu.ec
192.188.53.227	A+PTR	vu.usfq.edu.ec
192.188.53.229	A	riobamba.usfq.edu.ec
192.188.53.230	PTR	vu.usfq.edu.ec
192.188.53.232	A+PTR	sip.usfq.edu.ec
192.188.53.234	A	av.usfq.edu.ec
192.188.53.235	A	jabba.usfq.edu.ec
192.188.53.237	A	darth.usfq.edu.ec
192.188.53.251	PTR	charm.usfq.edu.ec
192.188.53.254	A	aleatorio.usfq.edu.ec