Robtex

Up: 194.246.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.246.44.0/23
Down right: 194.246.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.246.46.14	PTR	line-46-14.benteler.com
194.246.46.15	PTR	line-46-15.benteler.com
194.246.46.135	A+PTR	hol-smtp01.benteler.de
194.246.46.136	A+PTR	hol-smtp02.benteler.de
194.246.46.156	PTR	line156-46.benteler.de
194.246.46.180	PTR	web.benteler.de
194.246.46.180	A	benteler.nl
194.246.46.180	A	rlm.de
194.246.46.181	PTR	ww1.benteler.com
194.246.46.210	A+PTR	ns1.benteler.de
194.246.46.210	A	ns.benteler.com.tr
194.246.46.210	A	ns.benteler-distribution.com.tr
194.246.46.211	PTR	ns2.benteler.de
194.246.46.241	A+PTR	hol-smtp11.benteler.de
194.246.46.245	A	hol-smtp05.benteler.de
194.246.46.248	A+PTR	hol-smtp08.benteler.de
194.246.46.249	A	hol-smtp29.benteler.de