Robtex

Up: 185.56.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.56.24.0/23
Down right: 185.56.26.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.56.24.1	PTR	atlassian-proxy-01.csti.ch
185.56.24.1	A	dns1.csti-ch.net
185.56.24.2	A	dns2.csti-ch.net
185.56.24.3	PTR	cdn1.csti.ch
185.56.24.3	A	csti.ch
185.56.24.3	A	geneve.hosting
185.56.24.4	PTR	dns4.csti-ch.net
185.56.24.4	A	ns4.csti.ch
185.56.24.5	PTR	youtransfer.csti.ch
185.56.24.5	A	csti.ch
185.56.24.5	A	geneve.hosting
185.56.24.6	PTR	mail-cdn1.csti.ch
185.56.24.7	PTR	mail-cdn2.csti.ch
185.56.24.8	A+PTR	catcher3.csti-ch.net
185.56.24.8	A	mail-catcher.fintel-it.com
185.56.24.9	A+PTR	catcher4.csti-ch.net
185.56.24.9	A	mail-catcher3.fintel-it.com
185.56.24.15	A+PTR	files.csti-ch.net
185.56.24.15	A	vitalis-events.com
185.56.24.15	A	www.vitalis-events.com
185.56.24.16	A+PTR	web.csti-ch.net
185.56.24.16	A	www.africommodities.com
185.56.24.16	A	www.ppt.ch
185.56.24.45	A+PTR	catcher5.csti-ch.net
185.56.24.45	A	catcher3.csti-ch.net
185.56.24.45	A	mail-catcher.fintel-it.com
185.56.24.46	PTR	vpn-lida.geneva.hosting
185.56.24.46	A	catcher4.csti-ch.net
185.56.24.49	PTR	catcher1.datacenter.csti
185.56.24.49	A+PTR	catcher1.csti.ch
185.56.24.50	PTR	catcher2.datacenter.csti
185.56.24.50	A+PTR	catcher2.csti.ch
185.56.24.51	A	dns5.csti.ch
185.56.24.52	A	dns6.csti.ch
185.56.24.53	PTR	web21.csti.ch
185.56.24.53	A	www.permagest.com
185.56.24.53	A	radecs2017.com
185.56.24.54	PTR	web22.csti.ch
185.56.24.55	PTR	web23.csti.ch
185.56.24.57	PTR	web25.csti.ch
185.56.24.57	A	oumangerca.com
185.56.24.57	A	www.bluecargo.fr
185.56.24.58	PTR	web26.csti.ch
185.56.24.72	PTR	mail2.datacenter.csti
185.56.24.72	A	mail2.csti.ch
185.56.24.101	A	web1.csti-ch.net
185.56.24.104	A+PTR	web2.csti-ch.net
185.56.24.104	A	asrcc.ch
185.56.24.104	A	transaminetrading.com
185.56.24.105	PTR	web5.csti-ch.net
185.56.24.105	A	oumangerca.com
185.56.24.110	PTR	www.csti.ch
185.56.24.110	A	csti.ch
185.56.24.110	A	www.csti-ch.net
185.56.24.113	A	shop.csti.ch
185.56.24.139	A	ict-cotton.ch
185.56.24.221	A+PTR	phish.geneve.hosting
185.56.24.221	A	mail.linkedin-ch.com
185.56.24.221	A	mail.go0gle-ch.com
185.56.26.4	PTR	translotus.transamine.com
185.56.26.4	A	smtp.transamine-trading.com
185.56.26.6	PTR	transmobile.transmaine.com
185.56.26.6	A	translotus.transamine.com
185.56.26.6	A	transmail.transamine.com
185.56.26.9	PTR	domino.transamine.com
185.56.26.9	A	newtransmail.transamine.com
185.56.26.14	A+PTR	it.vertex.ch
185.56.26.14	PTR	mail.vertex.ch
185.56.26.14	A	mail.capezzana.ch
185.56.26.17	A	ts.vertex.ch
185.56.26.103	A	sharing.metinvest.ch
185.56.27.2	PTR	appnweb.csti.ch
185.56.27.7	A	web3.csti-ch.net
185.56.27.9	PTR	vps61.geneva.hosting
185.56.27.9	A	web4.csti-ch.net
185.56.27.10	A+PTR	web9.csti-ch.net
185.56.27.10	A	www.nna.ru
185.56.27.10	A	www.ccid.ch
185.56.27.13	A	ccid.ch
185.56.27.18	A	sandwich.ch
185.56.27.18	A	lamaisondusandwich.ch
185.56.27.18	A	lamaisondusandwich.com
185.56.27.27	A+PTR	vps27.csti-ch.net
185.56.27.27	A	lacavedegeneve.ch
185.56.27.27	A	cavegeneve.net
185.56.27.35	A	www.signofil.ch
185.56.27.35	A	signofil.ch
185.56.27.101	PTR	www.learning-7.com
185.56.27.101	A	learning-7.com