Robtex

Up: 212.178.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 212.178.32.0/20
Down right: 212.178.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.178.32.115	A	mail.buromk.nl
212.178.33.138	A	mta1.amsterdamsemaatschappij.nl
212.178.33.250	A	mail.bosoverseas.com
212.178.33.250	A	mail.boselektro.nl
212.178.33.250	A	mail.primaeheat.com
212.178.34.46	A	mail.bufab.nl
212.178.35.242	A	mail.mansonfan.nl
212.178.35.244	A	s3w.nl
212.178.36.122	A	mail.hypotheekkantoren.nl
212.178.38.234	A	mail.hotelpiethein.fr
212.178.38.234	A	mail.hotelpiethein.es
212.178.38.234	A	mail.hotelpiethein.de
212.178.39.58	A	smtp.studieproblemen.nl
212.178.39.58	A	smtp.studiefonds.nl
212.178.41.114	A	fallback.amaseu.nl
212.178.41.114	A	fallback.amaseu.com
212.178.42.86	A	mail.orlaco.dk
212.178.48.179	A	kinder-kleding.eu
212.178.49.1	PTR	ip-212-178-49-1.ip.prioritytelecom.net
212.178.49.2	PTR	ip-212-178-49-2.ip.prioritytelecom.net
212.178.49.3	PTR	ip-212-178-49-3.ip.prioritytelecom.net
212.178.49.65	PTR	ip-212-178-49-65.ip.prioritytelecom.net
212.178.49.96	PTR	ip-212-178-49-96.ip.prioritytelecom.net
212.178.49.131	PTR	ip-212-178-49-131.ip.prioritytelecom.net
212.178.49.160	PTR	ip-212-178-49-160.ip.prioritytelecom.net
212.178.49.163	PTR	ip-212-178-49-163.ip.prioritytelecom.net
212.178.49.227	PTR	ip-212-178-49-227.ip.prioritytelecom.net
212.178.54.1	PTR	ip-212-178-54-1.ip.prioritytelecom.net
212.178.56.1	PTR	ip-212-178-56-1.ip.prioritytelecom.net
212.178.56.4	PTR	ip-212-178-56-4.ip.prioritytelecom.net
212.178.56.34	PTR	ip-212-178-56-34.ip.prioritytelecom.net
212.178.56.66	PTR	ip-212-178-56-66.ip.prioritytelecom.net
212.178.56.96	PTR	ip-212-178-56-96.ip.prioritytelecom.net
212.178.56.97	PTR	ip-212-178-56-97.ip.prioritytelecom.net
212.178.56.131	PTR	ip-212-178-56-131.ip.prioritytelecom.net
212.178.56.162	PTR	ip-212-178-56-162.ip.prioritytelecom.net
212.178.56.194	PTR	ip-212-178-56-194.ip.prioritytelecom.net
212.178.58.147	A	mail.kinderopvangerica.nl
212.178.58.190	A	mail2.ishbv.nl