Robtex

Up: 194.0.136.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.0.137.0/25
Down right: 194.0.137.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.0.137.34	A+PTR	ns1.horisen.net
194.0.137.34	A	a.ns.137.0.194.in-addr.arpa
194.0.137.34	A	horisen.net
194.0.137.35	A+PTR	ns4.horisen.net
194.0.137.35	A	ns4.horisen.ch
194.0.137.35	A	ns3.horisen.net
194.0.137.39	A+PTR	voip1.horisen.net
194.0.137.40	A+PTR	voip2.horisen.net
194.0.137.41	A+PTR	voip3.horisen.net
194.0.137.42	A+PTR	voip4.horisen.net
194.0.137.43	A	voip5.horisen.net
194.0.137.71	A+PTR	appweb1.horisen.net
194.0.137.71	A	mail.winpin.ch
194.0.137.71	A	winpin.ch
194.0.137.72	PTR	appweb2.horisen.net
194.0.137.72	A	horisen.dk
194.0.137.72	A	crossmedia-technology.org
194.0.137.73	A	horisen.pro
194.0.137.75	A	outlook.horisen.com
194.0.137.81	A+PTR	app1.horisen.net
194.0.137.81	A	horisen.info
194.0.137.81	A	www.horisen.org
194.0.137.82	A+PTR	mms.horisen.net
194.0.137.87	A	app2.horisen.net
194.0.137.132	A	www.horisen.com
194.0.137.132	A	megafanapps.com
194.0.137.132	A	horisen.com
194.0.137.133	A+PTR	mail2.horisen.com
194.0.137.134	PTR	mail1.horisen.com
194.0.137.134	A	mail.smsplatform.pro
194.0.137.134	A	mail.horisen.agency
194.0.137.136	PTR	web1.horisen.net
194.0.137.136	A	mail.intelligent-learning.com
194.0.137.136	A	mail.smsandpay.ch
194.0.137.137	A+PTR	web2.horisen.net
194.0.137.138	A	web3.horisen.net
194.0.137.139	A	web4.horisen.net
194.0.137.140	A	callandpay.ch
194.0.137.140	A	www.callandpay.ch
194.0.137.140	A	smsandpay.ch
194.0.137.145	PTR	web1a.horisen.com
194.0.137.145	A	mail.maximus-personal.ch
194.0.137.145	A	stagepower.ch
194.0.137.151	A	perfoormers.com
194.0.137.151	A	horisen.support
194.0.137.153	A	medreminder.ch
194.0.137.154	A	my-icard.com
194.0.137.154	A	shop-icard.com
194.0.137.155	PTR	webhost1.horisen.com
194.0.137.155	A	horisen.dk
194.0.137.155	A	stagepower.ch
194.0.137.156	A+PTR	mailh1.horisen.com
194.0.137.164	A	friscotag.ch