Robtex

Up: 217.23.54.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.23.55.0/25
Down right: 217.23.55.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.23.55.0	PTR	dst-gh-bau-net.i-netpartner.net
217.23.55.1	A	55.23.217.in-addr.arpa
217.23.55.2	PTR	gate-gh-bau.i-netpartner.net
217.23.55.2	A	mail.telepart.de
217.23.55.2	A	holz-technic.eu
217.23.55.3	A	eup-holzverbinder.de
217.23.55.3	A	intranet.telepart.de
217.23.55.3	A	holzverbinder.de
217.23.55.5	A	www.telesand.de
217.23.55.7	PTR	bc-gh-bau-net.i-netpartner.net
217.23.55.8	PTR	dst-rrr-net.i-netpartner.net
217.23.55.15	PTR	bc-rrr.i-netpartner.net
217.23.55.16	PTR	dst-xlo-net.i-netpartner.net
217.23.55.18	A	mail-gw.ex-cell-o.de
217.23.55.22	PTR	fw-xlo.i-netpartner.net
217.23.55.25	PTR	www.ex-cell-o.de
217.23.55.31	PTR	bc-xlo.i-netpartner.net
217.23.55.32	PTR	dst-rau-net.i-netpartner.net
217.23.55.34	PTR	mail.hella-news.info
217.23.55.34	A	mail.rau-arabella.com
217.23.55.34	A	mail.arabella-sonnenschutz.eu
217.23.55.35	PTR	mail.arabella.info
217.23.55.35	PTR	mail2.arabella.info
217.23.55.36	A	mail2.arabella.info
217.23.55.37	A+PTR	rau-mail.rau-arabella.de
217.23.55.39	PTR	bc-rau-net.i-netpartner.net
217.23.55.40	PTR	amari-net.i-netpartner.net
217.23.55.42	A	mail-gw.amari-metall.de
217.23.55.42	A	mail-gw.guenzler-metall.de
217.23.55.45	A	mail.jera-metall.de
217.23.55.45	A	mail.aalco-metall.de
217.23.55.45	A	mail.amari-metall.de
217.23.55.47	PTR	bc-amari.i-netpartner.net
217.23.55.48	PTR	dst-net-wtb-nordost.i-netpartner.net
217.23.55.49	PTR	gate-pub-net-wtb.i-netpartner.net
217.23.55.49	A	gate-nb.nuclearblast.de
217.23.55.52	A	mail-gw-master.nuclearblast.de
217.23.55.63	PTR	bc-net-wtb-nordost.i-netpartner.net
217.23.55.64	PTR	ebu-net.i-netpartner.net
217.23.55.71	PTR	bc-ebu.i-netpartner.net
217.23.55.72	PTR	dst-evf-net.i-netpartner.net
217.23.55.74	A+PTR	fw-evf.i-netpartner.net
217.23.55.80	PTR	dst-cfc-net.i-netpartner.net
217.23.55.87	PTR	bc-cfc-net.i-netpartner.net
217.23.55.88	PTR	dst-camozzi-net.i-netpartner.net
217.23.55.90	A	cccremote.de
217.23.55.95	PTR	bc-camozzi-net.i-netpartner.net
217.23.55.96	PTR	dst-metalblade-net.i-netpartner.net
217.23.55.98	A	mail-gw.rung-druck.de
217.23.55.104	PTR	dst-net-wte-sw.i-netpartner.net
217.23.55.111	PTR	bc-net-wte-sw.i-netpartner.net
217.23.55.114	A	fw-miksch.i-netpartner.net
217.23.55.116	PTR	vpn-gate-miksch.i-netpartner.net
217.23.55.126	A+PTR	napoleon.pro-sys.de
217.23.55.126	A	pro-sys.de
217.23.55.126	A	promember.de
217.23.55.132	A	citrix.ex-cell-o.de
217.23.55.134	A	vpn-gate-xlo.i-netpartner.net
217.23.55.163	PTR	mail.rossmanith.com
217.23.55.202	A	mail.tk-energietechnik.de
217.23.55.226	PTR	watchdog.wmf.de
217.23.55.226	A	wmfcn.com
217.23.55.226	A	mail20.wmf.de
217.23.55.230	A	mail30.wmf.de
217.23.55.251	A	mail1.monninger-federn.de
217.23.55.255	PTR	bc-pubnet-nen.i-netpartner.net