Robtex

Up: 84.246.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 84.246.30.0/25
Down right: 84.246.30.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.246.30.0	PTR	rt30bb246-84-0.routit.net
84.246.30.4	PTR	rt30bb246-84-4.routit.net
84.246.30.8	PTR	rt30bb246-84-8.routit.net
84.246.30.15	A+PTR	remote.courierplus.nl
84.246.30.32	PTR	rt30bb246-84-32.routit.net
84.246.30.45	PTR	rt30bb246-84-45.routit.net
84.246.30.54	PTR	rt30bb246-84-54.routit.net
84.246.30.54	A	ecoor.nl
84.246.30.54	A	internefixatie.nl
84.246.30.58	PTR	rt30bb246-84-58.routit.net
84.246.30.68	PTR	rt30bb246-84-68.routit.net
84.246.30.92	A	mail.engelsenpartners.com
84.246.30.92	A	mail.engelsenpartners.nl
84.246.30.101	PTR	rt30bb246-84-101.routit.net
84.246.30.110	PTR	rt30bb246-84-110.routit.net
84.246.30.118	PTR	rt30bb246-84-118.routit.net
84.246.30.122	PTR	rt30bb246-84-122.routit.net
84.246.30.125	A	mail.volendammusicbv.com
84.246.30.125	A	mail.volendammusic.com
84.246.30.125	A	mail.vosoundrecords.nl
84.246.30.137	PTR	rt30bb246-84-137.routit.net
84.246.30.150	PTR	rt30bb246-84-150.routit.net
84.246.30.171	PTR	rt30bb246-84-171.routit.net
84.246.30.178	PTR	rt30bb246-84-178.routit.net
84.246.30.182	PTR	rt30bb246-84-182.routit.net
84.246.30.199	PTR	rt30bb246-84-199.routit.net
84.246.30.202	A+PTR	remote.hoek5.nl
84.246.30.204	PTR	rt30bb246-84-204.routit.net
84.246.30.212	A	smtp.vdmeer-philipsen.nl
84.246.30.227	PTR	rt30bb246-84-227.routit.net
84.246.30.237	PTR	rt30bb246-84-237.routit.net
84.246.30.238	PTR	rt30bb246-84-238.routit.net
84.246.30.250	PTR	rt30bb246-84-250.routit.net