Robtex

Up: 185.16.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.16.52.0/23
Down right: 185.16.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.16.52.116	A	qubus.joek.eu
185.16.53.90	PTR	ip53-90.comteam.at
185.16.53.101	PTR	ip53-101.comteam.at
185.16.54.8	A+PTR	mailservice.comteam.at
185.16.54.8	A	mail.lumper.net
185.16.54.8	A	mail.arrow-copter.com
185.16.54.12	PTR	ip54-12.comteam.at
185.16.54.12	A	ns1.pluteus.at
185.16.54.12	A	pluteus.net
185.16.54.14	A+PTR	host01.pluteus.at
185.16.54.14	A	faschingenergies.at
185.16.54.58	A	post.pluteus.at
185.16.54.60	A	kerio.pluteus.at