Robtex

Up: 200.50.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 200.50.0.0/20
Down right: 200.50.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.50.0.1	PTR	1-0-50-200-static.centennialpr.net
200.50.0.42	A	dbetances.com
200.50.0.42	A	dbetances.net
200.50.0.46	A	sm.hryder.org
200.50.0.46	A	hryderms.hryder.org
200.50.0.99	PTR	99-0-50-200-static.centennialpr.net
200.50.0.102	A	mail.surfaceigniterpr.com
200.50.0.102	A	*.surfaceigniterpr.com
200.50.0.138	A	mx2.scvrlaw.com
200.50.0.154	A	cirtpacs.com
200.50.0.165	A	trenurbano.dtop.gov.pr
200.50.1.86	A	webmail.rankpr.com
200.50.1.246	A	mail.mso.pr
200.50.2.35	PTR	35-2-50-200-static.centennialpr.net
200.50.2.50	A	ns1.viajescaribe.com
200.50.2.146	A	smtp.burgerkingpr.com
200.50.2.146	A	burgerkingpr.net
200.50.2.162	A	mail.kevane.com
200.50.3.2	A	mailer.alblegal.net
200.50.3.98	A	ch13sju-udp.com
200.50.3.150	A	mail.mediawisepr.com
200.50.3.150	A	mail.brandsciencepr.com
200.50.3.225	A	router-att-21.fuerzaindustrial.com
200.50.3.226	A	server2.fuerzaindustrial.com
200.50.4.18	A	speedtest.attbusinesspr.com
200.50.4.109	A	www.ingente.net
200.50.4.109	A	ingente.net
200.50.5.66	PTR	mail.suzukipr.com
200.50.5.67	A+PTR	mail.suzukipr.com
200.50.5.67	A	mail.delcaribecolors.com
200.50.5.67	A	mail.itccaribbean.com
200.50.6.86	A	rrdpr.com
200.50.6.86	A	rrdpr.homeip.net
200.50.6.98	PTR	98-6-50-200-static.centennialpr.net
200.50.8.0	A	mail.lojackpr.net
200.50.8.18	A	hunterpuertorico.com
200.50.8.18	A	ns1.lojackpr.net
200.50.8.110	A	mail.royallog.com
200.50.8.110	A	royallog.com
200.50.8.110	A	*.royallog.com
200.50.10.3	PTR	3-10-50-200-static.centennialpr.net
200.50.10.34	PTR	firstmedicalpr.com
200.50.10.66	PTR	66-10-50-200-static.centennialpr.net
200.50.10.66	A	gandiagroup.com
200.50.10.66	A	rgdpr.com
200.50.10.67	PTR	mail.gandiagroup.com
200.50.10.67	A	caribepr.com
200.50.10.67	A	mail.caribepr.com
200.50.11.2	PTR	mail.gmt-corp.com
200.50.11.6	A	mail.igd-corp.com
200.50.11.6	A	smtp.gmt-corp.com
200.50.11.6	A	mail.gmt-corp.com
200.50.11.62	A	mail.steelandpipes.com
200.50.11.118	A	ceafs1.ceaprc.net
200.50.11.118	A	ceaprc.net
200.50.11.149	A	popularautoweb.net
200.50.11.150	A	carcreditmanagement.net
200.50.11.150	A	carcreditmanager-pr.net
200.50.11.150	A	carcreditmanager.net
200.50.11.195	PTR	195-11-50-200-static.centennialpr.net
200.50.11.195	A	www.qipro.org
200.50.11.195	A	qipro.org
200.50.11.226	PTR	226-11-50-200-static.centennialpr.net
200.50.12.1	PTR	1-12-50-200-static.centennialpr.net
200.50.12.2	PTR	2-12-50-200-static.centennialpr.net
200.50.12.3	PTR	3-12-50-200-static.centennialpr.net
200.50.12.32	PTR	32-12-50-200-static.centennialpr.net
200.50.12.33	PTR	33-12-50-200-static.centennialpr.net
200.50.12.34	PTR	34-12-50-200-static.centennialpr.net
200.50.12.35	PTR	35-12-50-200-static.centennialpr.net
200.50.12.64	PTR	64-12-50-200-static.centennialpr.net
200.50.12.65	PTR	65-12-50-200-static.centennialpr.net
200.50.12.66	PTR	66-12-50-200-static.centennialpr.net
200.50.12.67	PTR	67-12-50-200-static.centennialpr.net
200.50.12.96	PTR	96-12-50-200-static.centennialpr.net
200.50.12.97	PTR	97-12-50-200-static.centennialpr.net
200.50.12.98	PTR	98-12-50-200-static.centennialpr.net
200.50.12.99	PTR	99-12-50-200-static.centennialpr.net
200.50.12.128	PTR	128-12-50-200-static.centennialpr.net
200.50.12.129	PTR	129-12-50-200-static.centennialpr.net
200.50.12.130	PTR	130-12-50-200-static.centennialpr.net
200.50.12.130	A	*.santanderglobalviewer.com
200.50.12.130	A	www.santanderglobalviewer.com
200.50.12.131	PTR	131-12-50-200-static.centennialpr.net
200.50.12.131	A	dns1.santander-ebanking.com
200.50.12.142	A	*.santanderglobalviewer.com
200.50.12.160	PTR	160-12-50-200-static.centennialpr.net
200.50.12.161	PTR	161-12-50-200-static.centennialpr.net
200.50.12.162	PTR	162-12-50-200-static.centennialpr.net
200.50.12.163	PTR	163-12-50-200-static.centennialpr.net
200.50.12.172	A	www.island-finance.com
200.50.12.172	A	islandfinance.com
200.50.12.192	PTR	192-12-50-200-static.centennialpr.net
200.50.12.193	PTR	193-12-50-200-static.centennialpr.net
200.50.12.194	PTR	194-12-50-200-static.centennialpr.net
200.50.12.195	PTR	195-12-50-200-static.centennialpr.net
200.50.12.224	PTR	224-12-50-200-static.centennialpr.net
200.50.12.225	PTR	225-12-50-200-static.centennialpr.net
200.50.12.226	PTR	226-12-50-200-static.centennialpr.net
200.50.12.227	PTR	227-12-50-200-static.centennialpr.net
200.50.12.250	A	mail.santander.com.pr
200.50.13.1	PTR	1-13-50-200-static.centennialpr.net
200.50.13.33	PTR	33-13-50-200-static.centennialpr.net
200.50.13.35	PTR	35-13-50-200-static.centennialpr.net
200.50.13.66	PTR	66-13-50-200-static.centennialpr.net
200.50.13.67	PTR	67-13-50-200-static.centennialpr.net
200.50.13.98	PTR	98-13-50-200-static.centennialpr.net
200.50.13.129	PTR	129-13-50-200-static.centennialpr.net
200.50.13.131	PTR	131-13-50-200-static.centennialpr.net
200.50.13.162	PTR	162-13-50-200-static.centennialpr.net
200.50.13.192	PTR	192-13-50-200-static.centennialpr.net
200.50.14.2	PTR	2-14-50-200-static.centennialpr.net
200.50.14.194	PTR	194-14-50-200-static.centennialpr.net
200.50.14.206	A	mail.dubongroup.com
200.50.15.65	A	mail.vegacoop.com
200.50.15.65	A	wirecomtech.com
200.50.15.98	A	agricultorprfb.org
200.50.16.10	A	mail.gotxt.onthe-go.net
200.50.16.10	A	gotxt.onthe-go.net
200.50.16.10	A	sms.centennialpr.net
200.50.17.34	PTR	34-17-50-200-static.centennialpr.net
200.50.17.129	PTR	129-17-50-200-static.centennialpr.net
200.50.17.162	PTR	162-17-50-200-static.centennialpr.net
200.50.17.163	PTR	163-17-50-200-static.centennialpr.net
200.50.18.1	PTR	1-18-50-200-static.centennialpr.net
200.50.19.193	A+PTR	lo1.miamfl1-br2.centix.net
200.50.20.25	A	owa.mmmhc.com
200.50.20.138	A	www.optimapr.com
200.50.20.138	A	optimapr.com
200.50.20.139	A	qbepr.com
200.50.20.139	A	colonialpr.com
200.50.20.234	A	sanignacio.centennialpr.net
200.50.21.37	A	mail.emdi.net
200.50.21.39	A	mail2.emdi.net
200.50.21.162	PTR	162-21-50-200-static.centennialpr.net
200.50.21.163	PTR	163-21-50-200-static.centennialpr.net
200.50.21.170	A	mcsclasicweb.mcsclasicare.com
200.50.21.171	A	yogagalway.ie
200.50.21.172	A	ns.mcsclassicare.com
200.50.21.172	A	ns3b.mcs.com.pr
200.50.22.8	A	noticiaspuertoricohoy.com
200.50.22.8	A	noticiasoeste.com
200.50.22.8	A	www.elnuevodia.org
200.50.22.41	A	forosciudadanos.com
200.50.22.41	A	noticiasdeportespr.com
200.50.22.41	A	forosciudadanos.org
200.50.23.4	A	mgzlaw.com
200.50.23.18	A	mail1.tpprc.com
200.50.23.30	A	mail.rigidpak.com
200.50.23.58	A	mail.proen.com
200.50.23.138	A	quintana.centennialpr.net
200.50.23.142	A	ptr.oldachpr.com
200.50.23.186	A	mtdpr.com
200.50.23.186	A	mail.mtdpr.com
200.50.25.2	A	ucc-web.uccaribe.edu
200.50.25.2	A	www.uccaribe.edu
200.50.25.48	A	ns1.uccaribe.edu
200.50.25.49	A	ns2.uccaribe.edu
200.50.26.70	A	mail1.autoland-pr.com
200.50.26.78	A	nap-of-america.centix.net
200.50.26.90	A	lemans802.com
200.50.26.130	A+PTR	instagate.jgl.com
200.50.26.170	A	mail2.oneillborges.com
200.50.27.2	A+PTR	bermudez-longo.centennialpr.net
200.50.27.74	A	horwathpr.com
200.50.27.74	A	mail.horwathpr.com
200.50.27.74	A	staff.horwathpr.com
200.50.27.170	A	uh-dc1-mail.union-holdings.net
200.50.28.114	A	gate.empresascondado.com
200.50.29.35	PTR	35-29-50-200-static.centennialpr.net
200.50.29.35	A	mail.eldiadirecto.com
200.50.29.42	A	tomacontrolpr.com
200.50.29.42	A	zdxpr.com
200.50.29.42	A	prexplorer.com
200.50.29.67	PTR	teresuarez.com
200.50.29.129	PTR	crece.org
200.50.29.222	A	mail.centrounido.com
200.50.30.2	PTR	2-30-50-200-.30.50.200.in-addr.arpa
200.50.31.130	PTR	mail.fcpr.org
200.50.31.139	A	mail.sagradacoop.com
200.50.31.243	A	imrlpr.com