Robtex

Up: 193.138.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 193.138.16.0/21
Down right: 193.138.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.138.25.8	A	suppliesshop.canon-europe.com
193.138.25.8	A	supplies.canon.dk
193.138.29.2	A+PTR	backbone-zh.your-web.ch
193.138.29.3	PTR	switch-ag.your-web.ch
193.138.29.5	A	ns8.your-web.ch
193.138.29.11	A	www.welcometocornerstone.com
193.138.29.11	A	getblacklisted.nospamgooglemail.com
193.138.29.20	PTR	webmailer.newsmail.ch
193.138.29.20	A	webmailer.y-w.ch
193.138.29.21	A+PTR	mailproxy1.your-web.ch
193.138.29.21	A	imap.your-web.ch
193.138.29.22	A+PTR	mailproxy2.your-web.ch
193.138.29.22	A	imap.your-web.ch
193.138.29.47	A	testip47.your-web.ch
193.138.29.50	A+PTR	cobra.nnet.ch
193.138.29.50	A	www.nnet.ch
193.138.29.50	A	srv.nnet.ch
193.138.29.55	A	www.nnet.ch
193.138.29.55	A	srv.nnet.ch
193.138.29.55	A	*.nnet.ch
193.138.29.71	A	dwv.ch
193.138.29.77	A	big-tools.ch
193.138.29.77	A	bigitsystems.ch
193.138.29.77	A	big-voip.ch
193.138.29.80	A	mars.webhost4u.ch
193.138.29.81	A	bielmann.eu
193.138.29.81	A	switzerland4you.ch
193.138.29.81	A	derpilot.ch
193.138.29.93	A	dwv.ch
193.138.29.96	PTR	merkur96.webhost4u.ch
193.138.29.96	A	smtp.comedian-company.ch
193.138.29.96	A	wrs-ing.ch
193.138.29.97	PTR	merkur97.webhost4u.ch
193.138.29.98	PTR	merkur98.webhost4u.ch
193.138.29.99	PTR	ns1.your-web.ch
193.138.29.120	PTR	taurus.pschuetz.ch
193.138.29.120	A	saturn.your-web.ch
193.138.29.121	A	uceprotect.ch
193.138.29.121	A	webhost4u.ch
193.138.29.121	A	y-w.ch
193.138.29.128	A	feiertagskalender.info
193.138.29.128	A	mail.joursferies.ch
193.138.29.128	A	smtp.feiertagskalender.info
193.138.29.144	A	uceprotect.ch
193.138.29.144	A	hirscheneglisau.ch
193.138.29.144	A	zogg-ag.ch
193.138.29.160	A	saturn.your-web.ch
193.138.29.160	A	swisscomputerservices.ch
193.138.29.160	A	citycomp.ch
193.138.29.161	A	big-tools.ch
193.138.29.164	A	testip47.your-web.ch
193.138.29.166	A	webhost4u.ch
193.138.29.166	A	y-w.ch
193.138.29.187	A+PTR	web.endeso.ch
193.138.29.187	A	swissbutler.ch
193.138.29.187	A	endeso.ch
193.138.29.190	PTR	voip.winkemann.ch
193.138.29.190	A	ns2.psc-host.ch
193.138.29.201	PTR	host-193-138-29-201.your-web.ch
193.138.29.201	A	murtenclassics.ch
193.138.29.201	A	muehle-aekenmatt.ch
193.138.29.202	A	mail.pitlaneposers.com
193.138.29.203	PTR	host-193-138-29-203.your-web.ch
193.138.29.208	PTR	uranus8.webhost4u.ch
193.138.29.208	A	mail.siegrist.ch
193.138.29.208	A	xn--schulgelnde-s8a.ch
193.138.29.211	A	btoys.ch
193.138.29.214	PTR	websrv.regiomed.ch
193.138.29.224	PTR	ultra-224.xsw.ch
193.138.29.224	A	www.xsw.ch
193.138.29.224	A	intergate.xsw.ch
193.138.29.226	PTR	sonar.xsw.ch
193.138.29.240	PTR	voip-rubin.bigvoip.ch
193.138.29.240	A	weg-edu.ch
193.138.29.250	PTR	kerio.your-web.ch
193.138.29.250	A	mail.xsw.re
193.138.29.254	PTR	ns3.your-web.ch
193.138.29.254	A	ns3.dwv.ch
193.138.29.254	A	ns3.webhost4u.ch
193.138.30.9	A	lynx.smn.lt
193.138.30.33	PTR	lt-vln-r01.smn.lt
193.138.31.2	PTR	interscholz.stuttgart-ix.de
193.138.31.3	PTR	ge-imos.stgt-z10.s-ix.info
193.138.31.16	PTR	10ge-belwue.stgt-z10.s-ix.info
193.138.31.18	PTR	ge-sfe.stgt-z10a.s-ix.info
193.138.31.19	PTR	ge-swu.stgt-z10a.s-ix.info