Robtex

Up: 91.226.160.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 91.226.162.0/24
Down right: 91.226.163.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.226.162.11	PTR	linux11.insigma.de
91.226.162.11	A+PTR	test.insigma.de
91.226.162.11	A+PTR	prod.insigma.de
91.226.162.14	A	insigma.de
91.226.162.14	A	insigma.eu
91.226.162.14	A	linux04.insigma.de
91.226.162.15	PTR	mailgw.insigma.de
91.226.162.22	A	insigma.com
91.226.162.29	A	autoview.de
91.226.162.33	A	webconf.insigma.de
91.226.162.35	A	justabarcode.com
91.226.162.45	A	zwick.com.sg
91.226.162.45	A	zwickroell.it
91.226.162.45	A	testxpert.com