Robtex

Up: 192.53.102.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.53.103.0/25
Down right: 192.53.103.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.53.103.10	PTR	guests.bs.ptb.de
192.53.103.98	PTR	public.ptb.de
192.53.103.103	A+PTR	ptbtime3.ptb.de
192.53.103.103	A	ntp3.ptb.de
192.53.103.104	A+PTR	ptbtime2.ptb.de
192.53.103.104	A	ntp2.ptb.de
192.53.103.106	PTR	mx1.bs.ptb.de
192.53.103.108	PTR	ptbtime1.ptb.de
192.53.103.108	A	time.ebelingnetworks.de
192.53.103.108	A	2.europe.pool.ntp.org
192.53.103.112	A+PTR	u99112.ptb.de
192.53.103.113	A+PTR	u99113.bs.ptb.de
192.53.103.114	A+PTR	u99114.ptb.de
192.53.103.115	A	u99115.bs.ptb.de
192.53.103.116	A+PTR	u99116.ptb.de
192.53.103.117	A	www.welmecwg7.ptb.de
192.53.103.117	A	eumetrispec.eu
192.53.103.117	A	quantummetrology.de
192.53.103.120	A+PTR	mx1.bs.ptb.de
192.53.103.123	A	public.ptb.de
192.53.103.129	A+PTR	u99129.bs.ptb.de
192.53.103.129	A	www.imeko.org
192.53.103.130	PTR	u99130.bs.ptb.de
192.53.103.130	A	ih-ext20.ptb.de
192.53.103.131	PTR	subversion.ptb.de
192.53.103.132	PTR	u99132.bs.ptb.de
192.53.103.132	A	ex-network.org
192.53.103.133	PTR	tracimlx.ptb.de
192.53.103.134	PTR	vesa1.bs.ptb.de
192.53.103.139	PTR	u99139.ptb.de
192.53.103.139	A	ftp.ptb.de
192.53.103.142	PTR	www.ptb.de
192.53.103.142	A	eumetrispec.eu
192.53.103.142	A	quantummetrology.de
192.53.103.158	A	nanoscale.de
192.53.103.158	A	eumetrispec.org
192.53.103.158	A	macroscale.org
192.53.103.162	A	public.ptb.de
192.53.103.173	A	helmholtz-fonds.de
192.53.103.173	A	verlag-jungewissenschaft.de
192.53.103.173	A	www.quantummetrology.de
192.53.103.180	PTR	dns1.bs.ptb.de
192.53.103.180	A	ns1.ptb.de
192.53.103.181	A	www.euramet.org
192.53.103.181	A	euramet.info
192.53.103.225	A+PTR	win-gw1.ptb.de
192.53.103.226	PTR	d99226.ptb.de
192.53.103.227	PTR	d99227.ptb.de
192.53.103.228	PTR	n99228.ptb.de
192.53.103.229	A+PTR	vce99229.ptb.de
192.53.103.230	PTR	d99230.ptb.de
192.53.103.231	PTR	d99231.ptb.de
192.53.103.232	A+PTR	vce99232.ptb.de
192.53.103.233	PTR	blofeld.oaps.eu
192.53.103.234	PTR	forum.oaps.eu
192.53.103.235	PTR	solex.oaps.eu
192.53.103.236	PTR	bambi.oaps.eu
192.53.103.242	PTR	at99242.ptb.de
192.53.103.246	PTR	mail1.bs.ptb.de
192.53.103.250	A	portal.ptb.de
192.53.103.252	A+PTR	fw1-252e.ptb.de
192.53.103.253	A+PTR	fw1-253e.ptb.de
192.53.103.254	A+PTR	portal.ptb.de