Robtex

Up: 178.23.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 178.23.80.0/23
Down right: 178.23.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.23.81.4	A	ns2.xortex.at
178.23.81.31	A+PTR	server75.xortex.net
178.23.81.31	A	michaelbrandtner.com
178.23.81.32	A	waldfest-niederwaldkirchen.at
178.23.81.32	A	server1.telnet.at
178.23.81.32	A	haslach-aktiv.at
178.23.81.33	PTR	backup76.xortex.net
178.23.81.36	A	wasserwirtschaft.co.at
178.23.81.36	A	www.jung.co.at
178.23.81.36	A	famot.at
178.23.81.40	A	linzmarathon.at
178.23.81.40	A	linzmarathon.com
178.23.81.40	A	server39.xortex.net
178.23.81.43	PTR	server42.xortex.at
178.23.81.52	A+PTR	server63.xortex.net
178.23.81.52	A	produktionsschule-gmunden.at
178.23.81.52	A	codersbay.at
178.23.81.53	A	felbermayr.eu