Robtex

Up: 194.55.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.55.138.0/25
Down right: 194.55.138.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.55.138.1	A	vms.virto.com
194.55.138.2	A+PTR	dns1.virto.com
194.55.138.3	A+PTR	dns2.virto.com
194.55.138.10	A	alpha.virto.com
194.55.138.11	A	beta.virto.com
194.55.138.12	A	gamma.virto.com
194.55.138.13	A	delta.virto.com
194.55.138.14	A	epsilon.virto.com
194.55.138.15	A+PTR	zeta.virto.com
194.55.138.16	A+PTR	eta.virto.com
194.55.138.17	A+PTR	theta.virto.com
194.55.138.18	A+PTR	jota.virto.com
194.55.138.19	A	kappa.virto.com
194.55.138.20	A	lambda.virto.com
194.55.138.21	A	my.virto.com
194.55.138.22	A	ny.virto.com
194.55.138.23	A	xi.virto.com
194.55.138.24	A+PTR	omikron.virto.com
194.55.138.25	A	pi.virto.com
194.55.138.26	A	rho.virto.com
194.55.138.27	A	sigma.virto.com
194.55.138.28	A	tau.virto.com
194.55.138.30	A+PTR	phi.virto.com
194.55.138.31	A	chi.virto.com
194.55.138.32	A	psi.virto.com
194.55.138.33	A	omega.virto.com
194.55.138.50	A+PTR	v000.virto.com
194.55.138.51	A	v051.virto.com
194.55.138.52	A	www.almarsad.com
194.55.138.52	A	www.rosin.com
194.55.138.53	PTR	v053.virto.com
194.55.138.53	A	enzo-ferdinand.com
194.55.138.54	A	v054.virto.com
194.55.138.54	A	leon-rossbach.com
194.55.138.55	A	v055.virto.com
194.55.138.56	A+PTR	v056.virto.com
194.55.138.87	A	dieter-rossbach.com
194.55.138.87	A	hosting3.virto.com
194.55.138.88	A+PTR	hosting2.virto.com
194.55.138.89	A+PTR	hosting1.virto.com
194.55.138.89	A	www.mobilunion.com
194.55.138.90	A+PTR	www.virto.com
194.55.138.90	A	virto.com
194.55.138.90	A	www.virto.net
194.55.138.92	A+PTR	www.prova.de
194.55.138.92	A	prova-gallery.com
194.55.138.92	A	prova.eu
194.55.138.94	A+PTR	www.gourmonde.de
194.55.138.94	A	gourmonde.de
194.55.138.99	PTR	mail.virto.com
194.55.138.99	A	mail.leon-rossbach.com
194.55.138.99	A	mail.prova.eu
194.55.138.254	A	internet.virto.com