Robtex

Up: 212.23.132.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.23.132.0/25
Down right: 212.23.132.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.23.132.2	A	mail.jaennekes.de
212.23.132.18	A+PTR	office2010.oase-bochum.de
212.23.132.18	A	office.oase-bochum.de
212.23.132.18	A	office.oasebochum.de
212.23.132.34	PTR	mx01.voswinkel.it
212.23.132.37	A	mx01a.voswinkel.it
212.23.132.58	A	bo-ihk-rtr01.de.tmr.net
212.23.132.98	A	mail.windream.com
212.23.132.98	A	mail-in3.megamedia.de
212.23.132.99	A+PTR	dns.windream.com
212.23.132.100	A+PTR	mailgate.windream.com
212.23.132.101	A	dms365.de
212.23.132.101	A	megamedia.de
212.23.132.101	A	trimonte.de
212.23.132.102	A	dms.de
212.23.132.104	A+PTR	dns2.windream.com
212.23.132.104	A	mailgate2.windream.com
212.23.132.107	A	windream.ch
212.23.132.132	A	mx01.voswinkel.it
212.23.132.133	A	www.voswinkel.de
212.23.132.133	A	voswinkel.de
212.23.132.178	A	mail.apptech.de
212.23.132.183	A	www.appliedtechnologies.de
212.23.132.183	A	appliedtechnologies.de
212.23.132.183	A	apptech.de
212.23.132.242	A	nkl-faber.de