Robtex

Up: 193.41.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.41.172.0/23
Down right: 193.41.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.41.172.11	A	tytan.slask.pl
193.41.172.11	A	ns2.tytan.slask.pl
193.41.172.11	A	ns2.raceboots.pl
193.41.173.45	A	web.zptradehouse.com.ua
193.41.173.76	PTR	mail.alfazone.pl
193.41.175.54	A	marak89.com
193.41.175.54	A	m89.eu
193.41.175.240	PTR	hostip-193-41-175-240.emulticom.pl
193.41.175.242	PTR	hostip-193-41-175-242.emulticom.pl