Robtex

Up: 91.217.84.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 91.217.86.0/24
Down right: 91.217.87.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.217.86.4	A+PTR	dns0.btnet.de
91.217.86.5	A	lp-dns2.btnet.de
91.217.86.9	A	lp-dns5.btnet.de
91.217.86.12	PTR	cobalt.btnet.de
91.217.86.12	A	www.betandmore.com
91.217.86.12	A	www.btnet.de
91.217.86.14	PTR	www2.medskin-suwelack.com
91.217.86.14	A	reveel-medskin.com
91.217.86.14	A	skin-health-care.de
91.217.86.19	A+PTR	mailfw.ttesa.net
91.217.86.19	A	iron03.ttesa.de
91.217.86.112	A	rittec.de
91.217.86.112	A	ruhrbuehnen.com
91.217.86.112	A	magnetvibratoren.de
91.217.86.113	A	dayofsong.de
91.217.86.175	A	rtg.rittec.de
91.217.86.175	A	dayofsong.de
91.217.86.246	A	mail.unic-systems.com
91.217.87.4	A	dns1.ritter.info
91.217.87.11	A	login.mcn-tele.com
91.217.87.249	A	relayffm.btnet.de