Robtex

Up: 188.117.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 188.117.138.0/25
Down right: 188.117.138.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.117.138.33	A+PTR	host-188.117.138.33.static.3s.pl
188.117.138.41	A+PTR	host18811713841.kampsys.3s.pl
188.117.138.41	A	dns1.maciekduda.pl
188.117.138.41	A	dns2.maciekduda.pl
188.117.138.92	A+PTR	poczta.grupawender.pl
188.117.138.92	A	poczta.wierzbice.pl
188.117.138.92	A	poczta.sutryk.pl
188.117.138.94	A+PTR	host-188.117.138.94.static.3s.pl
188.117.138.117	A+PTR	host-188.117.138.117.static.3s.pl
188.117.138.117	A	mx2.psflota.pl
188.117.138.135	A+PTR	plktwsv01.cyclad.pl
188.117.138.138	A+PTR	antyspam.cyclad.pl
188.117.138.165	PTR	poczta.cashbill.pl
188.117.138.165	A	mx1.cashbill.pl
188.117.138.169	A+PTR	bifrost.cashbill.pl
188.117.138.169	A	cashbill.pl
188.117.138.169	A	*.webapps.cashbill.pl
188.117.138.170	A+PTR	bifrost.cashbill.pl
188.117.138.170	A	cashbill.pl
188.117.138.170	A	*.webapps.cashbill.pl