Robtex

Up: 194.53.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.53.148.0/23
Down right: 194.53.150.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.53.148.17	PTR	mail.open6hosting.com
194.53.148.17	A	mail.malagacocktails.com
194.53.148.17	A	mail.lawikibolsa.com
194.53.148.20	PTR	o6hnode12.open6hosting.com
194.53.148.20	A	937.open6servers.com
194.53.148.20	A	937a.open6servers.com
194.53.148.23	A	ecoaisla.com
194.53.148.23	A	nactiva.net
194.53.148.25	A	www.bugmana.com
194.53.148.30	A+PTR	mail.amhsystemas.com
194.53.148.30	A	mail.amhs.es
194.53.148.30	A	936.open6servers.com
194.53.148.32	A+PTR	mail.virtualogysoluciones.com
194.53.148.32	A	mail.maduritasinquietas.com
194.53.148.32	A	maduritasinquietas.com
194.53.148.33	PTR	web3.open6hosting.com
194.53.148.34	PTR	mail.malagacharter.es
194.53.148.35	PTR	169.open6servers.com
194.53.148.38	PTR	mail.rondacomunicacion.com
194.53.148.38	A	mail.fonz.info
194.53.148.38	A	fonz.info
194.53.148.39	PTR	tdtprofesional.com
194.53.148.39	A	alltorun.com
194.53.148.39	A	mail.tdtprofesional.es
194.53.148.41	A	icofma.es
194.53.148.42	A+PTR	mx1.getboxgrp.com
194.53.148.42	A	getboxgrp.com
194.53.148.42	A	946.open6servers.com
194.53.148.43	PTR	mx1.getintrovps.com
194.53.148.44	PTR	mail2.asegi.es
194.53.148.44	A	herkimerminerales.com
194.53.148.44	A	mail.reformashilariofernandez.com
194.53.148.45	PTR	mail.realclubmediterraneo.com
194.53.148.52	A	940.open6servers.com
194.53.148.52	A	940a.open6servers.com
194.53.148.52	A	geacontratosvc.com
194.53.148.56	PTR	mail3.open6hosting.com
194.53.148.56	A	mail.tapabenalmadena.com
194.53.148.56	A	mail.tresviernes.com
194.53.148.62	A+PTR	941.open6servers.com
194.53.148.62	A	mail.turismomazagon.com
194.53.148.62	A	turismomazagon.com
194.53.148.63	PTR	mail.fly-blue.es
194.53.148.63	A	mail.annebonny.es
194.53.148.64	A	mail.bonet-valverde.es
194.53.148.64	A	fiscal-laboral.com
194.53.148.64	A	mail.fiscal-laboral.com
194.53.148.68	A+PTR	mail.academiafye.es
194.53.148.68	A	alhcamper.com
194.53.148.68	A	mail.alhcamper.com
194.53.148.70	PTR	mail.suitfeet.com
194.53.148.71	PTR	vps.comimagine.es
194.53.148.71	A	barriopicasso.org
194.53.148.75	PTR	mail.moliere35informatica.com
194.53.148.75	A	mail.yosoymaker.com
194.53.148.75	A	perivaltasl.com
194.53.148.78	A+PTR	101.open6servers.com
194.53.148.78	A	insanconstrucciones.com
194.53.148.78	A	mail.insanconstrucciones.com
194.53.148.81	PTR	mail.aboe.es
194.53.148.83	PTR	mail.nimbux.es
194.53.148.86	A	sanjosepodologia.com
194.53.148.86	A	podologiasevilla.com
194.53.148.86	A	companiademarketing.com
194.53.148.88	PTR	mail.merceriarosi.com
194.53.148.89	A	www.segoley.com
194.53.148.90	PTR	mail.mccpetroleum.com
194.53.148.96	PTR	mail.unita.es
194.53.148.96	A	mail.guerrerofoodservice.com
194.53.148.96	A	productosbeltran.es
194.53.148.102	PTR	mail2.open6hosting.com
194.53.148.102	A	mail.weatherinmalaga.com
194.53.148.102	A	mail.lafinqueta.com
194.53.148.104	A	220a.open6servers.com
194.53.148.107	PTR	vps.wearethebox.es
194.53.148.107	A	onion.st
194.53.148.107	A	castillodelingles.com
194.53.148.109	A	mail.sailandfun.es
194.53.148.110	A+PTR	963.open6servers.com
194.53.148.110	A	963a.open6servers.com
194.53.148.110	A	360shop.es
194.53.148.111	PTR	mail.estudiococo.es
194.53.148.119	A+PTR	951.open6servers.com
194.53.148.119	A	geocienciasaplicadas.com
194.53.148.119	A	mail.comunicacionaudiovisual.online
194.53.148.121	A+PTR	969.open6servers.com
194.53.148.122	A+PTR	954.open6servers.com
194.53.148.122	A	madridersdistrict.com
194.53.148.122	A	mail.madridersdistrict.com
194.53.148.126	PTR	mail.asegi.es
194.53.148.126	A	pandeibias.com
194.53.148.126	A	cofradialamorana.com
194.53.148.127	PTR	251.open6servers.com
194.53.148.134	A+PTR	960.open6servers.com
194.53.148.134	A	961a.open6servers.com
194.53.148.135	A+PTR	961.open6servers.com
194.53.148.135	A	qprofesional.com
194.53.148.143	PTR	web4.open6hosting.com
194.53.148.143	A	arnautallada.com
194.53.148.143	A	nealco.es
194.53.148.144	A	andorrafreemarket.com
194.53.148.152	PTR	gestion.solucionservidor1.es
194.53.148.158	PTR	mail2.moliere35informatica.com
194.53.148.159	PTR	ideantopro.ideanto.com
194.53.148.171	A	formatica.es
194.53.148.184	PTR	server23.asegi.es
194.53.148.190	PTR	servidor.congeladosguerrero.es
194.53.148.195	A	nortech.es