Robtex

Up: 200.59.16.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 200.59.16.0/24
Down right: 200.59.17.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.59.16.5	A+PTR	ns3.fratec.net
200.59.16.5	A	ns.fratec.com
200.59.16.5	A	www.fratec.net
200.59.16.6	PTR	ns2.fratec.net
200.59.16.6	A	cr.pool.ntp.org
200.59.16.6	A	ns2.fratec.com
200.59.16.8	A	ns1.lineasbasicas.com
200.59.16.8	A	ns2.lineasbasicas.com
200.59.16.11	A	elastix.fratec.com
200.59.16.15	A+PTR	mail2.fratec.net
200.59.16.17	A	www.cnetdemo.net
200.59.16.18	PTR	patica.fratec.com
200.59.16.18	A	smtp.politecnico.cr
200.59.16.18	A	www.politecnico.cr
200.59.16.33	PTR	ether3.mikrotik-bb-zeus.fratec.net
200.59.16.34	PTR	ntp4.fratec.net
200.59.16.34	A	cr.pool.ntp.org
200.59.16.34	A	0.cr.pool.ntp.org
200.59.16.35	PTR	www.promerc.net
200.59.16.36	A+PTR	mail.grupotecnocr.com
200.59.16.36	A	tghglobal.com
200.59.16.36	A	mail.tghglobal.com
200.59.16.37	PTR	mail.salper.com
200.59.16.38	A+PTR	mail.audiocinema.net
200.59.16.38	A	mail.geovalorcr.com
200.59.16.38	A	geovalorcr.com
200.59.16.39	PTR	mail.ocacr.com
200.59.16.39	A	cnet.co.cr
200.59.16.39	A	mail.sumiteccr.com
200.59.16.40	PTR	mail.confides.co.cr
200.59.16.41	PTR	mail.auditsyscr.com
200.59.16.41	A	papelitoscr.com
200.59.16.41	A	mail.fun2winbingo.com
200.59.16.42	A+PTR	ftp.pachecocoto.com
200.59.16.42	A	mail.fundacionhumbertopachecocoto.com
200.59.16.42	A	mail.tibetencostarica.com
200.59.16.43	PTR	mail.caferey.co.cr
200.59.16.44	A+PTR	fratec.com
200.59.16.44	A	www.fratec.com
200.59.16.44	A	genesis2.fratec.com
200.59.16.45	PTR	www.hulbertvolio.com
200.59.16.46	A+PTR	mail.aceroscartago.com
200.59.16.46	A	mail.sumiteccr.com
200.59.16.46	A	aceroscartago.com
200.59.16.47	PTR	mail.geemgroup.net
200.59.16.47	A	moorestephenscr.com
200.59.16.48	A+PTR	mail.la506.com
200.59.16.48	A	conquistasessions.com
200.59.16.48	A	mail.conquistasessions.com
200.59.16.49	PTR	mail.seysacr.com
200.59.16.50	A+PTR	ntp3.fratec.net
200.59.16.50	A	cr.pool.ntp.org
200.59.16.50	A	0.cr.pool.ntp.org
200.59.16.51	PTR	www.fcacostarica.com
200.59.16.52	A+PTR	www.softsiteca.com
200.59.16.53	PTR	mail.audiocinema.net
200.59.16.53	A	audiocinema.net
200.59.16.61	A	a.test-ipv6.fratec.net
200.59.16.61	A	test-ipv6.fratec.net
200.59.16.62	A+PTR	cacacri-pi-260.fratec.net
200.59.16.65	A+PTR	ether3.mikrotik-bb-zeus.fratec.net
200.59.16.82	PTR	mail.addax.cc
200.59.16.83	A	asccr.com
200.59.16.83	A	dinadeco.go.cr
200.59.16.83	A	addax.cr
200.59.16.87	PTR	tmail.addax.cc
200.59.16.87	A	tmail.addaxdevelopment.com
200.59.16.87	A	tmail.addax.cr
200.59.16.89	A	mapas.sutel.go.cr
200.59.16.90	A	felixtherobot.com
200.59.16.91	A	mail.addax.cc
200.59.16.91	A	ns5.addaxdevelopment.com
200.59.16.91	A	addax.cc
200.59.16.122	A	reylinx.caferey.co.cr
200.59.17.27	PTR	wlan1.mikrotik-arrocera-barranca.fratec.net
200.59.17.34	PTR	wlan1.mikrotik-posada-belen.fratec.net
200.59.17.147	PTR	wlan1.mikrotik-fonkart.fratec.net
200.59.17.147	A	fiklindora.com
200.59.17.187	PTR	wlan1.mikrotik-dr-saborio.fratec.net
200.59.17.227	A	www.megasuper.com
200.59.17.227	A	ftp.megasuper.com
200.59.17.227	A	dns2.mega-super.com
200.59.17.228	A	barracuda.megasuper.com
200.59.17.228	A	barracuda2.megasuper.com
200.59.17.229	A+PTR	rpc.megasuper.com
200.59.17.229	A	vpn.megasuper.com
200.59.17.230	A	febe.megasuper.com