Robtex

Up: 185.33.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.33.216.0/23
Down right: 185.33.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.33.216.6	A	rgntgw12.rga.net
185.33.216.13	PTR	web13.rgfi.net
185.33.216.13	A	xn--korneliaschrder-ktb.com
185.33.216.13	A	www.pom.de
185.33.216.17	PTR	web17.rgfi.net
185.33.216.17	A	softscape.de
185.33.216.17	A	www.buchhandlung-marabu.de
185.33.216.21	A+PTR	mx10.rgfi.net
185.33.216.21	A	mx.rga.net
185.33.216.21	A	mx.rgi.net
185.33.216.22	PTR	mx20.rgfi.net
185.33.216.23	PTR	mx30.rgfi.net
185.33.216.23	A	mail.elberfeld.com
185.33.216.26	A	mail.elberfeld.com
185.33.216.30	A+PTR	mail10.myrgi.de
185.33.216.36	A	muengstener-bruecke.de
185.33.216.36	A	bergischebuchhandlung.de
185.33.216.36	A	www.digital-constructions.de
185.33.216.37	PTR	web15.rgfi.net
185.33.216.37	A	ems-spitzen.com
185.33.216.40	A+PTR	mout.rgfi.net
185.33.216.40	A	mail.rgfi.net
185.33.216.42	A	mail2.rgfi.net
185.33.216.144	A+PTR	outlook.paal.de
185.33.216.145	A	exchange.gs-dietrich.de
185.33.216.145	A	mail.gebaeudereinigung-dietrich.de
185.33.216.145	A	dtwxsm04.gs-dietrich.de
185.33.216.149	A	mail.metalltechnik-mueller.de
185.33.216.150	A	mail.haupa.com
185.33.216.161	PTR	knipexvs01.knipex.com
185.33.216.161	A	orbiswill.eu
185.33.216.161	A	knipex-tools.jp
185.33.218.16	A	rgmon01.rga.net
185.33.218.52	A+PTR	dns01.rgfi.net
185.33.218.53	A+PTR	rgins01.rgfi.net