Robtex

Up: 89.146.58.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.146.58.0/25
Down right: 89.146.58.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.146.58.0	PTR	rt58bb146-89-0.routit.net
89.146.58.2	A	mycardea.nl
89.146.58.47	PTR	rt58bb146-89-47.routit.net
89.146.58.48	A	monitor2014.nl
89.146.58.64	PTR	rt58bb146-89-64.routit.net
89.146.58.85	A	mail.admvanderbijl.com
89.146.58.100	PTR	ns01.wearehostingyou.com
89.146.58.101	PTR	ns02.wearehostingyou.com
89.146.58.102	PTR	smtp.wearehostingyou.com
89.146.58.102	A	mail.ellaadriaanse.nl
89.146.58.102	A	smtp.pitter.nl
89.146.58.103	PTR	rt58bb146-89-103.routit.net
89.146.58.103	A	peuteropvangijsselmonde.nl
89.146.58.103	A	jubels.nl
89.146.58.113	PTR	rt58bb146-89-113.routit.net
89.146.58.113	A	tanzaniaexperts.nl
89.146.58.113	A	portugalexperts.nl
89.146.58.128	PTR	rt58bb146-89-128.routit.net
89.146.58.154	PTR	rt58bb146-89-154.routit.net
89.146.58.155	PTR	rt58bb146-89-155.routit.net
89.146.58.155	A	mail.avezaat.com
89.146.58.161	PTR	rt58bb146-89-161.routit.net
89.146.58.161	A	mail.annalise.nl
89.146.58.161	A	mail.svp.nl
89.146.58.164	PTR	rt58bb146-89-164.routit.net
89.146.58.164	A	remote.kinderwereld.info
89.146.58.177	PTR	rt58bb146-89-177.routit.net
89.146.58.189	PTR	rt58bb146-89-189.routit.net
89.146.58.190	A+PTR	mail.kareltrans.nl
89.146.58.192	PTR	rt58bb146-89-192.routit.net
89.146.58.193	A	tdc.fersys.nl
89.146.58.195	A	mail.ultimatebackup.nl
89.146.58.195	A	ub.fersys.nl
89.146.58.196	A+PTR	mail.arcas.nl
89.146.58.200	PTR	rt58bb146-89-200.routit.net
89.146.58.200	A	smtp1.rc-wegvervoer.nl
89.146.58.227	PTR	rt58bb146-89-227.routit.net
89.146.58.227	A	portal.blomer.com
89.146.58.242	PTR	zabbix-datat.routit.net
89.146.58.242	A	zabbix-data.routit.net
89.146.58.250	A+PTR	mysql-master.zabbix.routit.net