Robtex

Up: 192.108.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.108.52.0/23
Down right: 192.108.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.108.52.1	PTR	dmz-gw.hs-hannover.de
192.108.52.10	PTR	dns1.hs-hannover.de
192.108.52.10	A	dns2.hs-hannover.de
192.108.52.11	A+PTR	dns2.hs-hannover.de
192.108.52.21	PTR	webjs.it.hs-hannover.de
192.108.52.22	A+PTR	otrs-proxy.it.hs-hannover.de
192.108.52.22	A	helpdesk.it.hs-hannover.de
192.108.52.22	A	helpdesk.rz.fh-hannover.de
192.108.52.25	PTR	t3live.it.hs-hannover.de
192.108.52.25	A	fakultaet3.fh-hannover.de
192.108.52.25	A	hochschule-hannover.eu
192.108.52.26	PTR	webhosting.it.hs-hannover.de
192.108.52.121	A	mx1.hs-hannover.de
192.108.52.122	A	mx2.hs-hannover.de
192.108.52.140	PTR	sfb-webcon2.hs-hannover.de
192.108.52.140	A	mail.hs-hannover.de
192.108.52.141	PTR	stud-mproxy.fh-h.de
192.108.52.157	A	mail.hs-hannover.de
192.108.52.170	PTR	haproxy-vip-00.it.hs-hannover.de
192.108.52.170	PTR	motion-cube.de
192.108.52.170	PTR	idm-hannover.com
192.108.52.171	PTR	motion-cube.de
192.108.52.171	PTR	idm-hannover.com
192.108.52.171	PTR	haproxy-vip-01.it.hs-hannover.de
192.108.52.172	PTR	haproxy-vip-02.it.hs-hannover.de
192.108.52.172	PTR	motion-cube.de
192.108.52.172	PTR	idm-hannover.com
192.108.52.173	PTR	haproxy-vip-03.it.hs-hannover.de
192.108.52.173	PTR	motion-cube.de
192.108.52.173	PTR	idm-hannover.com
192.108.52.174	PTR	motion-cube.de
192.108.52.174	PTR	haproxy-vip-04.it.hs-hannover.de
192.108.52.174	PTR	idm-hannover.com
192.108.52.175	PTR	idm-hannover.com
192.108.52.175	PTR	motion-cube.de
192.108.52.175	PTR	haproxy-vip-05.it.hs-hannover.de
192.108.52.176	PTR	haproxy-vip-06.it.hs-hannover.de
192.108.52.176	PTR	motion-cube.de
192.108.52.176	PTR	idm-hannover.com
192.108.52.177	PTR	haproxy-vip-07.it.hs-hannover.de
192.108.52.177	PTR	motion-cube.de
192.108.52.177	PTR	idm-hannover.com
192.108.52.178	PTR	idm-hannover.com
192.108.52.178	PTR	motion-cube.de
192.108.52.178	PTR	haproxy-vip-08.it.hs-hannover.de
192.108.52.179	PTR	haproxy-vip-09.it.hs-hannover.de
192.108.52.179	PTR	idm-hannover.com
192.108.52.179	PTR	motion-cube.de
192.108.52.204	PTR	zeiterfassung.hs-hannover.de
192.108.53.1	PTR	dmz-gate.dm.fh-hannover.de
192.108.53.2	PTR	vpn1.dm.fh-hannover.de
192.108.53.5	A+PTR	mail1.ijk.hmt-hannover.de
192.108.53.5	A	mail1.ijk.hmtm-hannover.de
192.108.53.7	PTR	pzaehl.dm.fh-hannover.de
192.108.53.11	A+PTR	proxy.dm.fh-hannover.de
192.108.53.11	A	planet-mid.fh-hannover.de
192.108.53.13	PTR	studip.planet-mid.fh-hannover.de
192.108.53.14	PTR	vmstudip.planet-mid.fh-hannover.de
192.108.53.15	PTR	managestudip.planet-mid.fh-hannover.de
192.108.53.16	PTR	vkonf.planet-mid.fh-hannover.de
192.108.53.21	PTR	temp1.dm.fh-hannover.de
192.108.53.22	PTR	temp2.dm.fh-hannover.de
192.108.53.23	PTR	temp3.dm.fh-hannover.de
192.108.53.60	A+PTR	extern-nat.dm.fh-hannover.de
192.108.54.6	A+PTR	hejoe.nz.dlr.de
192.108.54.140	A+PTR	moplen-6.ls7.nz.dlr.de
192.108.54.226	PTR	neu-strelitz.nz.dlr.de
192.108.54.227	PTR	neu-strelitz1.nz.dlr.de
192.108.54.230	A+PTR	ftp.kn.nz.dlr.de
192.108.54.243	PTR	mailhub.nz.dlr.de