Robtex

Up: 178.239.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 178.239.208.0/21
Down right: 178.239.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.239.215.17	A	mail.alphab.org
178.239.215.17	A	glnet.org.uk
178.239.215.17	A	thehelpdesk.eu
178.239.215.48	A	oceans.nfasian.com
178.239.215.52	A	mail.hotelmarinatossa.es
178.239.215.52	A	mail.hotelwindsortossa.es
178.239.215.57	A	mail1.guixols.net
178.239.215.71	A	smtp-10.urhotels.com
178.239.215.81	A+PTR	ofi.telcat.cat
178.239.215.171	PTR	178-239-215-171.static.user.iukanet.com
178.239.216.19	A	www.carrier-enabler.com
178.239.216.25	A+PTR	sip3.carrier-enabler.com
178.239.216.33	A	ns3.carrier-enabler.com