Robtex

Up: 193.141.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 193.141.24.0/22
Down right: 193.141.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.141.25.0	PTR	193-141-25-0.biz.kpn.net
193.141.27.1	A+PTR	ts1.sct.de
193.141.27.1	A	ts1.schiele-ct.de
193.141.27.1	A	3.de.pool.ntp.org
193.141.27.2	PTR	sf.sct.de
193.141.27.20	A	oracle-int.sct.de
193.141.27.20	A	db.sct.de
193.141.27.22	A	test-vista.sct.de
193.141.27.27	A+PTR	ab.sct.de
193.141.27.33	A+PTR	st.sct.de
193.141.27.56	A	switch-int.sct.de
193.141.27.67	A	tel-ab.sct.de
193.141.27.69	A	tel-mp.sct.de
193.141.27.71	A	tel-ss.sct.de
193.141.27.77	A	tel-mr.sct.de
193.141.27.78	A	tel-spare.sct.de
193.141.27.124	A	vm-centos6-2.sct.de
193.141.27.132	A	vpn.sct.de
193.141.27.175	A+PTR	db-neu.sct.de
193.141.27.175	A	oracle-dmz.sct.de
193.141.27.182	A	hs1.sct.de
193.141.27.185	A	cache-dmz.sct.de
193.141.27.185	A	db2-neu.sct.de
193.141.27.209	A+PTR	sf-ext.sct.de
193.141.27.209	A	sf-ext.sct-software.de
193.141.27.210	A+PTR	www.sct.de
193.141.27.210	A	karlsbader-firmen.de
193.141.27.234	A	mail.friedhoff-schoedel.de
193.141.27.234	A	mail.johannes-link.de
193.141.27.234	A	mail.loeffelhardt.com
193.141.28.0	PTR	static.kpn.net
193.141.28.121	PTR	static.kpn.net
193.141.28.128	PTR	static.kpn.net
193.141.28.136	PTR	static.kpn.net
193.141.28.160	PTR	static.kpn.net
193.141.29.0	PTR	static.kpn.net
193.141.29.32	PTR	static.kpn.net
193.141.29.64	PTR	static.kpn.net
193.141.29.112	PTR	static.kpn.net
193.141.29.129	PTR	static.kpn.net
193.141.29.152	PTR	static.kpn.net
193.141.29.162	A	mail.vanwestenmannenmode.nl
193.141.29.184	PTR	static.kpn.net
193.141.29.218	A	smtp.technidata.nl
193.141.30.5	A	mail.spotline.nl
193.141.30.5	A	mail.kelpa.nl
193.141.30.5	A	mail.bsl-licht.nl
193.141.31.192	PTR	static.kpn.net