Robtex

Up: 188.64.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 188.64.42.0/24
Down right: 188.64.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.64.42.3	A+PTR	mx01.nova-institut.net
188.64.42.3	A	arzheim.eu
188.64.42.4	PTR	nova-fileserver.de
188.64.42.4	A	holzkunststoffe.de
188.64.42.4	A	marla-carus.de
188.64.42.10	PTR	web01.nova-institut.net
188.64.42.10	A	novainstitut.de
188.64.42.10	A	bio-qed.com
188.64.42.39	A+PTR	srv1.yourwebstart.com
188.64.42.39	A	squashclub-neufahrn.de
188.64.42.39	A	visum-agentur-hamburg.de
188.64.42.40	PTR	188.64.42.40.static.clanordns.net
188.64.42.131	A	c-plan-gmbh.net
188.64.42.132	A	bf-league.eu
188.64.42.132	A	www.bf-league.eu
188.64.42.133	PTR	188.64.42.133.static.clanordns.net
188.64.42.133	A	kapina-apina.com
188.64.42.133	A	willsmith-fansite.de
188.64.42.134	A+PTR	mail.schauf.de
188.64.42.134	A	mail.vbrew.org
188.64.42.134	A	mail.polarexpedition.de
188.64.42.147	PTR	amadeus.e-dentify.nl
188.64.42.147	A	noc.e-dentify.nl
188.64.42.148	PTR	ns02.e-ns.nl
188.64.42.148	A	ns8.click2.nl
188.64.42.148	A	ns2.qpoly.nl
188.64.42.149	PTR	ns2.nautronix.nl
188.64.42.150	A	nagios.e-dentify.nl
188.64.42.154	A+PTR	hydra.gservers.de
188.64.42.154	A	mail.overplayed.de
188.64.42.162	A+PTR	dedusmx01.nautronix.nl
188.64.42.170	A	sophos.dommi.org
188.64.42.239	PTR	188.64.42.239.static.clanordns.net
188.64.42.239	A	babycopter.com
188.64.42.239	A	1euro99.de
188.64.43.8	PTR	188.64.43.8.static.clanordns.net
188.64.43.8	A	johannes-eleftheriadis.com
188.64.43.8	A	greekweb.de
188.64.43.30	PTR	confixx.asw-mail.de
188.64.43.30	A	mail.st-weber.net
188.64.43.31	PTR	188.64.43.31
188.64.43.34	PTR	188.64.43.34