Robtex

Up: 185.21.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.21.36.0/23
Down right: 185.21.38.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.21.36.61	A+PTR	185-21-36-61.partnet.com.pl
185.21.36.67	A+PTR	185-21-36-67.partnet.com.pl
185.21.36.130	A+PTR	mx.zas.pl
185.21.36.130	A	mail.zas.pl
185.21.36.131	PTR	zas.pl
185.21.36.131	A	phugregor.pl
185.21.36.131	A	gwizdzielw.pl
185.21.36.132	A	mail.ckpartnet.pl
185.21.36.132	A	mail.telprojmont.com.pl
185.21.36.132	A	partlan.zas.pl
185.21.36.133	A	mx5.zas.pl
185.21.36.136	A+PTR	185-21-36-136.partnet.com.pl
185.21.36.136	A	dns.zas.pl
185.21.36.143	A	ckpartnet.pl
185.21.36.143	A	www.oswiatakamienkrajenski.pl
185.21.36.143	A	dns1.zas.pl
185.21.36.145	PTR	185-21-36-145.partnet.com.pl
185.21.36.145	A	test.ckpartnet.pl
185.21.36.145	A	osir.czluchow.pl
185.21.36.146	PTR	185-21-36-146.partnet.com.pl
185.21.36.194	A+PTR	czluchow.org.pl
185.21.36.194	A	mail.pztpczluchow.pl
185.21.36.194	A	mail.pupczluchow.pl
185.21.36.199	A+PTR	185-21-36-199.partnet.com.pl
185.21.36.199	A	dns3.zas.pl
185.21.36.199	A	dns5.zas.pl
185.21.36.205	A+PTR	neptun.o-it.pl
185.21.36.205	A	mail.kampanie-google-adwords.pl
185.21.36.205	A	mail.projektyszczepanscy.pl
185.21.36.211	A+PTR	185-21-36-211.czluchow.net
185.21.36.211	A	czluchow.net
185.21.36.242	A+PTR	185-21-36-242.partnet.com.pl
185.21.36.242	A	dns.kopi.edu.pl
185.21.36.242	A	ns2.freesco.pl
185.21.36.244	A+PTR	185-21-36-244.partnet.com.pl
185.21.36.244	A	repo.nnd.freesco.pl
185.21.36.244	A	cdn.freesco.pl
185.21.36.246	PTR	185-21-36-246.partnet.com.pl
185.21.38.4	A	piotrwiese.com
185.21.38.4	A	electower.pl
185.21.38.5	PTR	185-21-38-5.partnet.com.pl
185.21.38.5	A	et5.etwan.com
185.21.38.5	A	etwan.com
185.21.38.170	PTR	neptun.o-it.pl
185.21.38.170	A	mail.mielewczyk.pl
185.21.38.170	A	www.mielewczyk.pl
185.21.38.174	A	www.zas.pl
185.21.39.46	A+PTR	185-21-39-46.partnet.com.pl
185.21.39.135	A	mail.partnet.com.pl
185.21.39.255	A+PTR	185-21-39-255.partnet.com.pl