Robtex

Up: 83.133.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 83.133.184.0/22
Down right: 83.133.188.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.133.184.154	A+PTR	email.inone-europe.com
83.133.184.154	A	mail.in2perspectives.eu
83.133.184.155	A	in2perspectives.eu
83.133.184.155	A	inone-europe.com
83.133.184.210	A+PTR	mail.fcr-rohstoffe.de
83.133.184.210	A	paradiese-mailer.de
83.133.184.210	A	fcr-rohstoffe.de
83.133.185.27	A	pub-net.biz
83.133.188.29	A	pghome.de
83.133.188.38	A	mail.frankfurt-marathon.com
83.133.189.131	A+PTR	lb01.metalyzer.com
83.133.189.132	A	lb02.metalyzer.com
83.133.189.136	A+PTR	service.metalyzer.com
83.133.189.139	A+PTR	creative.metalyzer.com
83.133.189.140	A+PTR	tracking.metalyzer.com
83.133.189.141	A	tracking01.metalyzer.com
83.133.189.144	A+PTR	tracking04.metalyzer.com
83.133.189.145	A	tracking14.metalyzer.com
83.133.189.146	A	tracking15.metalyzer.com
83.133.189.147	A	tracking16.metalyzer.com
83.133.189.152	A+PTR	mlsat02.de
83.133.189.152	A	tracking.mlsat02.de
83.133.189.152	A	www.mlsat02.de
83.133.189.153	A	mlsat03.de
83.133.189.155	PTR	postview.metalyzer.com
83.133.189.193	A+PTR	creative.mlsat02.de
83.133.189.194	A+PTR	creative.mlsat03.de
83.133.189.201	A+PTR	mu.cx
83.133.190.4	PTR	ns3.routing.net
83.133.190.5	PTR	ns9.routing.net
83.133.190.6	PTR	ns3.kueste.de
83.133.190.7	A	ns3.dnseintrag.de
83.133.190.8	PTR	ns3.netzkern.com
83.133.190.9	PTR	ns3.loswebos.de
83.133.190.10	A+PTR	ns3.speicherzentrum.de
83.133.190.10	A	ns3.macal.de
83.133.190.11	PTR	ns3.uscreen.net
83.133.190.15	A	ns3.wmh-ns.de
83.133.190.16	PTR	ns3.inetsiteworld.de
83.133.190.17	PTR	ns3.netsolution24.net
83.133.190.18	A+PTR	ns3.machen.de
83.133.190.19	PTR	ns3.ns1-beckerat.de
83.133.190.25	PTR	ns3.netwin-solutions.net
83.133.190.26	A+PTR	ns3.knallhart.de
83.133.190.27	PTR	ns3.internetnamen.de
83.133.190.34	PTR	ns3.nidns.de
83.133.190.35	A	ns3.hardnet-computer.de
83.133.190.36	A	ns3.provimedia.de
83.133.190.40	PTR	ns3.canexpert.de
83.133.190.41	PTR	ns3.stadtleben.net
83.133.190.42	PTR	ns3.whitelabgroup.net
83.133.190.42	A	ns3.wunderfinger.de
83.133.190.43	PTR	ns3.securenameserver.de
83.133.190.48	PTR	ns3.ewitec.de
83.133.190.50	PTR	ns22.routing.net
83.133.190.50	A	ns5.kornherr.com
83.133.190.51	PTR	ns9.routing.net
83.133.190.51	A	ns3.mmpro.de
83.133.190.51	A	ns3.brandmate.de
83.133.191.141	PTR	ssl.djtunes.com