Robtex

Up: 185.123.224.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 185.123.224.0/24
Down right: 185.123.225.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.123.224.0	PTR	network-185.123.224.0-24.fra1.avira.net
185.123.224.28	A	ns2.avira-ns.de
185.123.224.28	A	ns10.avira-ns.de
185.123.224.253	PTR	professional.de.avira-update.com
185.123.224.253	A	profpeak.update.avira.com
185.123.224.253	A	professional.avira-update.net
185.123.224.254	PTR	professional.de.avira-update.com
185.123.224.254	A	profpeak.update.avira.com
185.123.224.254	A	professional.avira-update.net
185.123.225.4	A	vcc2.avira.com
185.123.225.4	A	vcc.avira.com
185.123.225.5	A	mute.avira.com
185.123.225.6	A	analysis.avira.com
185.123.225.8	A	lcheck.avira.com
185.123.225.9	A	virex.avira.com
185.123.225.10	A	submit.avira.com