Robtex

Up: 83.216.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 83.216.192.0/21
Down right: 83.216.200.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.216.192.0	PTR	network.vienna.at.carrier66.net
83.216.192.9	PTR	ns2.mos.at
83.216.192.10	PTR	ns1.netplanet.at
83.216.192.10	A	mail2.evaberger.com
83.216.192.10	A	mail2.phillipe.com
83.216.192.98	PTR	ip98.monitor.vienna.at.cix.at
83.216.192.167	PTR	83.216.192.167.net.netplanet.at
83.216.192.188	PTR	network.vienna.at.carrier66.net
83.216.192.193	PTR	warp6.vienna.at.carrier66.net
83.216.192.228	PTR	network.vienna.at.carrier66.net
83.216.193.163	PTR	83.216.193.163.net.netplanet.at
83.216.194.49	PTR	83.216.194.49.net.netplanet.at
83.216.195.162	PTR	webby.4eu.net
83.216.198.17	A	www.colibri-hallein.synology.me
83.216.198.17	A	colibri-hallein.synology.me
83.216.199.152	A	rehka.asuscomm.com
83.216.199.255	PTR	83.216.199.255.net.netplanet.at
83.216.200.0	PTR	83.216.200.0.net.netplanet.at
83.216.201.44	A	rehka.asuscomm.com
83.216.204.25	PTR	uid0.rootkit.org
83.216.204.25	A	phuquall.com
83.216.204.25	A	ns1.ms-dot.net
83.216.204.66	PTR	doomy.neessen.net
83.216.204.66	A	mail.realbau-ag.de
83.216.204.66	A	deltaflow.eu
83.216.204.124	A	hotelprestige.net
83.216.204.134	PTR	83.216.204.134.net.netplanet.at
83.216.204.154	A	ns2.ms-dot.net
83.216.204.160	A	huber-spedition.at
83.216.204.160	A	mail.topleveldomains.it
83.216.204.160	A	mail.huber-spedition.at
83.216.204.162	PTR	mail.ms-dot.net
83.216.204.187	A+PTR	vi01.at.root-server.info
83.216.204.187	A	ns2.system-interface.org
83.216.204.187	A	b.root-server.info
83.216.204.191	A	system-interface.org
83.216.204.233	A	seocamp.de
83.216.205.122	PTR	leo-club-wuppertal.de
83.216.205.201	PTR	debian.martinbayer.at
83.216.205.201	A	martinbayer.at
83.216.205.201	A	mx1.martinbayer.com
83.216.206.57	PTR	83.216.206.57.net.netplanet.at