Robtex

Up: 193.188.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.188.159.0/25
Down right: 193.188.159.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.188.159.4	A+PTR	mx01.cenit.com
193.188.159.5	A+PTR	mx02.cenit.com
193.188.159.11	A	im.cenit.com
193.188.159.124	A	mx01.cenit-news.com
193.188.159.125	A	mx02.cenit-news.com
193.188.159.130	PTR	www.cenit.com
193.188.159.130	A	ecliso.org
193.188.159.130	A	ezplm-cenit.com
193.188.159.131	A+PTR	webmail.cenit.com
193.188.159.132	A	support.cenit.de
193.188.159.135	A	alo5.cenit.com
193.188.159.136	A	mobile.cenit.com
193.188.159.138	A	wiki.cenit.com
193.188.159.140	A	extranet.cenit.de
193.188.159.141	A	cenit-news.com
193.188.159.143	A	fastsuite.com
193.188.159.143	A	www.fastsuite.com
193.188.159.144	A	fastsuite.cn
193.188.159.144	A	www.fastsuite.cn
193.188.159.146	A	cenit.jp
193.188.159.146	A	mdm.cenit.com
193.188.159.147	A	mdm.cenit.com
193.188.159.150	A	xfer.cenit.de
193.188.159.152	A	synopt.eu
193.188.159.152	A	synoptgmbh.de
193.188.159.240	A	cenit.jp
193.188.159.240	A	keonys.info
193.188.159.240	A	coristo.eu