Robtex

Up: 193.192.170.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.192.171.0/25
Down right: 193.192.171.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.192.171.1	PTR	dmz.arteria.pl
193.192.171.2	A+PTR	mail.arteria.pl
193.192.171.2	A	*.arteria.pl
193.192.171.2	A	mail.gpartner.com.pl
193.192.171.3	A	sftp.arteria.pl
193.192.171.5	A	cc.arteria.pl
193.192.171.20	A+PTR	poczta.arteria.pl
193.192.171.21	A	nagrodydowziecia.pl
193.192.171.21	A	*.polymus.pl
193.192.171.21	A	poczta.hpgrafik.pl
193.192.171.226	A+PTR	mail.polymus.pl
193.192.171.249	PTR	r-do-fw.arteria.pl