Robtex

Up: 193.239.236.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.239.238.0/24
Down right: 193.239.239.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.239.238.1	A+PTR	ab.asnova.com
193.239.238.1	PTR	cn-nestle.asnova.com
193.239.238.1	PTR	cwa.asnova.com
193.239.238.2	A+PTR	viewconnection.asnova.com
193.239.238.2	PTR	autodiscover.lab.itvik.com
193.239.238.2	PTR	smtp.lab.itvik.com
193.239.238.4	A	mail.asnova.com
193.239.238.31	A+PTR	smtp4.asnova.com
193.239.238.31	A	mail.lab2.itvik.com
193.239.238.32	A+PTR	smtp3.asnova.com
193.239.238.32	A+PTR	zabbix.asnova.com
193.239.238.32	A	mail.zhernova.com
193.239.238.220	A+PTR	git.itvik.com
193.239.238.220	PTR	redmine.itvik.com
193.239.238.220	PTR	git.itvik.com.ua
193.239.238.228	A	marketplus.asnova.com
193.239.238.230	A	ci.savserv.kiev.ua
193.239.238.231	A	smtp3.asnova.com
193.239.238.232	A	mail.asnova.com
193.239.238.235	A	kiext.asnova.com
193.239.238.236	A	ferrero.asnova.com
193.239.238.240	A+PTR	ab.asnova.com
193.239.238.243	A	sip.asnova.com
193.239.238.248	A	effie.com.ua