Robtex

Up: 94.199.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 94.199.88.0/22
Down right: 94.199.92.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
94.199.88.46	A	sms4a.retarus.com
94.199.88.56	A	mail2fax.de2.retarus.com
94.199.88.56	A	exchange2.rfax.net
94.199.88.56	A	mx1.iho-holding-fax.com
94.199.88.69	A	europapier.cz.mailin2.rmx.de
94.199.88.69	A	sara.mailin2.rmx.de
94.199.88.69	A	habau.hr.mailin2.rmx.de
94.199.88.70	A	emmelibri.mailin3.rmx.de
94.199.88.70	A	nichigo.co.uk.mailin3.rmx.de
94.199.88.70	A	tolu.fi.mailin5.rmx.de
94.199.88.75	PTR	mailin4.rmx.de
94.199.88.75	A	mailout10.rmx.de
94.199.88.76	A	mailout11.rmx.de
94.199.88.77	A	leitnersolar.mailin1.rmx.de
94.199.88.77	A	postfix1.rmx.de
94.199.88.99	A	somailout02.retarus.com
94.199.88.101	A+PTR	mailout03.rmx.de
94.199.88.146	A	www.retarus.ch
94.199.88.146	A	www.retarus.it
94.199.88.146	A	www.retarus.net
94.199.88.164	A+PTR	wxp-lb.retarus.com
94.199.88.164	A	fax.retarus.de
94.199.88.165	A	esign.retarus.com
94.199.88.165	A	eas-lb.retarus.com
94.199.88.194	A	dirsync.de2.retarus.com
94.199.88.254	A	sms.de2.retarus.com
94.199.89.34	A+PTR	amkdout.de2.retarus.com
94.199.89.39	PTR	mx-in02.eu.retarus.com
94.199.89.39	A	emmelibri.mailin3.rmx.de
94.199.89.39	A	nichigo.co.uk.mailin3.rmx.de
94.199.89.72	PTR	customers.eeg-net.de
94.199.89.72	A	bilzer-consulting.de
94.199.89.72	A	mail.zahnarztpraxis-kretsch.de
94.199.89.107	A+PTR	mailout-wxp02.retarus.com
94.199.89.253	A	mail.retarus.com
94.199.90.40	A	fax4ba.retarus.com
94.199.90.41	A	sms4ba.retarus.com
94.199.90.41	A	fax2ftp.retarus.com
94.199.90.43	A	dirfilter.retarus.com
94.199.90.56	A	mail2fax.de2.retarus.com
94.199.90.56	A	exchange.rfax.net
94.199.90.56	A	faxmtain01.rfax.net
94.199.90.57	PTR	journal02.retarus.com
94.199.90.76	A	*.jp.mailin1.rmx.de
94.199.90.76	A	mcpp-europe.com.mailin1.rmx.de
94.199.90.76	A	mes.mailin1.rmx.de
94.199.90.77	A	europapier.cz.mailin2.rmx.de
94.199.90.77	A	sara.mailin2.rmx.de
94.199.90.77	A	habau.hr.mailin2.rmx.de
94.199.90.79	A	emmelibri.mailin3.rmx.de
94.199.90.79	A	nichigo.co.uk.mailin3.rmx.de
94.199.90.80	A	eglo.mailin4.rmx.de
94.199.90.80	A	collini.mailin4.rmx.de
94.199.90.80	A	tolu.fi.mailin5.rmx.de
94.199.90.90	A	mailout05.rmx.de
94.199.90.91	A+PTR	mailout01.rmx.de
94.199.90.92	A+PTR	mailout06.rmx.de
94.199.90.93	PTR	mailout03.rmx.de
94.199.90.94	A	mailout04.rmx.de
94.199.90.97	PTR	mailout02.rmx.de
94.199.90.98	A+PTR	sfmailout01.retarus.com
94.199.90.99	A+PTR	somailout01.retarus.com
94.199.90.100	A	kdinvpn1.rmx.de
94.199.90.101	A	kdinvpn2.rmx.de
94.199.90.106	A+PTR	service-mtaout01.de2.retarus.com
94.199.90.107	A+PTR	service-mtaout02.de2.retarus.com
94.199.90.109	A	webmail.retarus.com
94.199.90.115	A	wxp-mail01.retarus.com
94.199.90.116	A	mailoutsj01.rmx.de
94.199.90.117	A+PTR	mailoutjs01.rmx.de
94.199.90.118	A+PTR	mailoutjs02.rmx.de
94.199.90.120	A+PTR	wxp-mail03.retarus.com
94.199.90.121	A	wxp-mail04.retarus.com
94.199.90.122	A	cg-antalis.retarus.com
94.199.90.151	A	bpagate.retarus.com
94.199.90.160	A	rmail.retarus.com
94.199.90.160	A	www.rmail.de
94.199.90.160	A	rmail.de
94.199.90.164	A+PTR	wxp-lb.retarus.com
94.199.90.164	A	fax.retarus.de
94.199.90.165	A+PTR	eas-lb.retarus.com
94.199.90.165	A	esign.retarus.com
94.199.90.178	A	securecontimailer.retarus.com
94.199.90.253	A	is-block.retarus.com
94.199.91.30	A+PTR	solvaymta.retarus.com
94.199.91.138	A+PTR	secure.hek.de
94.199.91.138	A	mobil.hek.de
94.199.91.161	A+PTR	secure.hek.de
94.199.92.130	A+PTR	mx-in01.eu.retarus.com
94.199.92.130	A	mailin04-allianz.rmx.de
94.199.92.130	A	mailin2.de1.retarus.com
94.199.92.141	PTR	mailin01.de1.retarus.com
94.199.92.141	A	mailin04-allianz.rmx.de
94.199.92.141	A	mailin1.de1.retarus.com
94.199.92.161	A+PTR	mailout01.de1.retarus.com
94.199.92.185	PTR	amkdout.de1.retarus.com
94.199.93.52	A	sms.de1.retarus.com
94.199.93.52	A	sms01.de1.retarus.com
94.199.93.135	A+PTR	mailwsout-93-135.transactional-mail-a.com
94.199.93.145	A+PTR	mailwsout-93-145.transactional-mail-a.com
94.199.93.163	PTR	mailwsout-93-163.transactional-mail-a.com