Robtex

Up: 212.23.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.23.128.0/25
Down right: 212.23.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.23.128.108	A	web0-uhl.tmr.net
212.23.128.115	A	sum1-uhl.core.tmr.net
212.23.128.118	A	initfw-ext.tmr.net
212.23.128.145	A	herne-gw.customer.tmr.net
212.23.128.146	PTR	stadt-herne.customer.tmr.net
212.23.128.146	A	mailer.herne.de
212.23.128.153	A	stw-witten-gw.customer.tmr.net
212.23.128.154	A	en-swwi-fw01.de.tmr.net
212.23.128.155	A+PTR	mobil.stadtwerke-witten.de
212.23.128.157	A+PTR	smtp.stadtwerke-witten.de
212.23.128.157	A	mail.vww-witten.de
212.23.128.158	A	ssl.stadtwerke-witten.de
212.23.128.162	A	bo-uwka-glt1.de.tmr.net
212.23.128.170	A	dunklespils.de
212.23.128.170	A	dunklespilsener.de
212.23.128.170	A	dunkles-pils.de
212.23.128.194	A+PTR	mail.stadt-witten.de
212.23.128.194	A	www.stadt-witten.de
212.23.128.195	A+PTR	service.stadt-witten.de
212.23.128.202	A+PTR	x202.usb-bochum.de
212.23.128.218	A	www.esn-bochum.de
212.23.128.220	A+PTR	mail.esn-bochum.de
212.23.128.235	A+PTR	bo-uhla-srv01.de.tmr.net
212.23.128.241	A	bo-spkhv-ar1.customer.tmr.net
212.23.128.244	A+PTR	node00002.hoecker-pm.com
212.23.128.244	A	node00002.convis-hoecker.com
212.23.128.246	A	mail.wbv-niedergrafschaft.de
212.23.128.253	A+PTR	initfw-dmz.tmr.net
212.23.128.254	PTR	xe-2-0-0-0.en-ika43-cr001.de.tmr.net
212.23.128.254	A	init-www.tmr.net