Robtex

Up: 194.181.136.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.181.137.0/25
Down right: 194.181.137.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.181.137.2	A+PTR	dns1.zbt.pl
194.181.137.2	A	navicom.pl
194.181.137.2	A	virt1.zbt.pl
194.181.137.3	A+PTR	dns2.zbt.pl
194.181.137.3	A	mail2.zbt.pl
194.181.137.4	PTR	mail.telcare.pl
194.181.137.4	A	www.zbt.pl
194.181.137.4	A	telcare.pl
194.181.137.5	A+PTR	mailmx.zbt.pl
194.181.137.28	A+PTR	mail.spradom.eu
194.181.137.174	A	mail.bsradom.pl