Robtex

Up: 212.83.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 212.83.72.0/22
Down right: 212.83.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.83.72.201	PTR	b72201.upc-b.chello.nl
212.83.73.24	A+PTR	b73024.upc-b.chello.nl
212.83.73.85	A	b73085.upc-b.chello.nl
212.83.73.216	PTR	b73216.upc-b.chello.nl
212.83.73.244	A	b73244.upc-b.chello.nl
212.83.73.249	A	b73249.upc-b.chello.nl
212.83.74.81	A	ericvanderhoeven.nl
212.83.74.95	A	b74095.upc-b.chello.nl
212.83.74.130	PTR	b74130.upc-b.chello.nl
212.83.74.154	A	b74154.upc-b.chello.nl
212.83.74.191	A	b74191.upc-b.chello.nl
212.83.74.226	A+PTR	b74226.upc-b.chello.nl
212.83.74.242	PTR	b74242.upc-b.chello.nl
212.83.75.20	A	rickol91.synology.me
212.83.75.20	A	www.rickol91.synology.me
212.83.75.30	A	b75030.upc-b.chello.nl
212.83.75.80	A+PTR	b75080.upc-b.chello.nl
212.83.75.80	A	mail.loadrunner.nl
212.83.75.80	A	expanet.nl
212.83.75.193	A	b75193.upc-b.chello.nl
212.83.76.11	A	b76011.upc-b.chello.nl
212.83.76.45	A	b76045.upc-b.chello.nl
212.83.76.145	A	b76145.upc-b.chello.nl
212.83.76.163	A	b76163.upc-b.chello.nl
212.83.76.180	A	b76180.upc-b.chello.nl
212.83.76.181	A	ibtk.nl
212.83.77.35	A	b77035.upc-b.chello.nl
212.83.77.43	A	kiwisauce.nl
212.83.77.43	A	newzealandshop.eu
212.83.77.43	A	kiwisauce.eu
212.83.77.61	A	linuxmatix.org
212.83.77.61	A	b77061.upc-b.chello.nl
212.83.77.61	A	linuxmatix.net
212.83.77.90	A	b77090.upc-b.chello.nl
212.83.77.98	A	b77098.upc-b.chello.nl
212.83.77.206	A	b77206.upc-b.chello.nl
212.83.77.246	A	kraijenoord.com
212.83.78.117	A	b78117.upc-b.chello.nl
212.83.78.128	A	b78128.upc-b.chello.nl
212.83.78.191	A	b78191.upc-b.chello.nl
212.83.79.3	PTR	b79003.upc-b.chello.nl
212.83.79.11	A	b79011.upc-b.chello.nl
212.83.79.67	PTR	b79067.upc-b.chello.nl
212.83.79.72	PTR	b79072.upc-b.chello.nl
212.83.79.104	PTR	b79104.upc-b.chello.nl
212.83.79.187	A+PTR	b79187.upc-b.chello.nl
212.83.79.226	A+PTR	b79226.upc-b.chello.nl
212.83.79.240	A	mail.jg-admin.nl