Robtex

Up: 193.201.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.201.33.0/25
Down right: 193.201.33.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.201.33.11	A+PTR	frwwi2.optimo-service.com
193.201.33.11	A	smtp.optimo-service.com
193.201.33.11	A	op-it.ch
193.201.33.29	PTR	chzhzh71.optimo-service.com
193.201.33.70	A+PTR	web04.opti.net
193.201.33.70	A	optimo-logistik.com
193.201.33.70	A	citylogistik.ch
193.201.33.71	PTR	rpx01.optimo-service.com
193.201.33.72	A	werkzeugschaerferei.ch
193.201.33.73	PTR	prx02.optimo-service.com
193.201.33.79	A	kairos.optimo-service.com
193.201.33.80	A+PTR	web01.optimo-service.com
193.201.33.80	A	duwerag.ch
193.201.33.81	A+PTR	ftp01.optimo-service.com
193.201.33.81	A	chzhwi88.optimo-service.com
193.201.33.82	A+PTR	dns01.optimo-service.com
193.201.33.82	A	ns1.optimo-service.com
193.201.33.88	PTR	chzhwi96.optimo-service.com
193.201.33.88	A	datimo.ch
193.201.33.89	A	duwerag.ch
193.201.33.89	A	optimo-technics.ch
193.201.33.89	A	printimo.ch
193.201.33.97	A	mibabasel.ch
193.201.33.97	A	kleintiere-schweiz.ch
193.201.33.97	A	miba-aesch.ch
193.201.33.133	PTR	chzhwi99.optimo-service.com
193.201.33.133	A	utm01-wi.optimo-service.com
193.201.33.138	A+PTR	hex-ex01.hexis.com
193.201.33.139	PTR	hex-web01.hexis.com
193.201.33.145	A+PTR	frw01.azw.info
193.201.33.145	A	srv-exa-01.azw.info
193.201.33.145	A	mail.azw.info
193.201.33.146	A	mail.azw.info
193.201.33.146	A	azw-ex01.azw.info
193.201.33.147	A+PTR	mail.gitscloud.ch
193.201.33.147	A	gitscloud.ch
193.201.33.199	PTR	ftp.inspirion-operation.ch
193.201.33.200	A+PTR	abaweb22.inspirion-operation.ch
193.201.33.201	PTR	webmail.inspirion-operation.ch
193.201.33.203	A+PTR	mx.inspirion.ch
193.201.33.203	A	mx.inspirion-operation.ch
193.201.33.203	A	mx.clicktime.ch
193.201.33.204	PTR	intranet.inspirion-operation.ch
193.201.33.205	PTR	web.inspirion-operation.ch
193.201.33.213	PTR	abaweb24.inspirion-operation.ch
193.201.33.215	PTR	login1102.inspirion-operation.ch
193.201.33.216	PTR	crm.inspirion-operation.ch
193.201.33.225	A	mx.datimo.ch
193.201.33.225	A	mx.gits.ch
193.201.33.236	A	dmz01.onsite.ch
193.201.33.236	A	roestergilde.ch
193.201.33.236	A	ns1.onsite.ch
193.201.33.237	PTR	webopac.ch