Robtex

Up: 217.146.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.146.22.0/25
Down right: 217.146.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.146.22.36	PTR	downloadeu5.teamviewer.com
217.146.22.37	A+PTR	mail2501.teamviewer.com
217.146.22.52	A	live.rr.fra.hitbox.tv
217.146.22.53	A	live.rr.fra.hitbox.tv
217.146.22.55	A	live.rr.fra.hitbox.tv
217.146.22.66	PTR	mainns.eu
217.146.22.66	A	ns2.cedux.de
217.146.22.66	A	ns2.cebe.net
217.146.22.83	PTR	cr-02.0v-09-40.anx25.fra.de.anexia-it.com
217.146.22.102	A+PTR	frankfurtfree1up.monitis.com
217.146.22.118	PTR	1905-2502.server.anx-cus.net
217.146.22.118	A	www.gutscheinsammler.de
217.146.22.118	A	gutscheinsammler.de
217.146.22.126	A	de13-lf2842fg.wtfast.com
217.146.22.146	A	fc-neenstetten.de
217.146.22.146	A	www.bassenge.de
217.146.22.146	A	*.bassenge.de
217.146.22.177	A	mx.aaa-sales.ch
217.146.22.177	A	mail.aaa-sales.ch
217.146.22.186	A	mail.serverkistn.net
217.146.22.187	A	ns4.serverkistn.net
217.146.22.187	A	ns2.serverkistn.net
217.146.22.187	A	mx01.serverkistn.net
217.146.22.188	A	jaritsch.at
217.146.22.189	A	pux.cc
217.146.22.194	PTR	dns.dns3.de
217.146.22.194	A	ns3.edv-janzen.de
217.146.22.194	A	ns3.dns-itrena.de