Robtex

Up: 81.15.216.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 81.15.218.0/24
Down right: 81.15.219.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.15.218.60	A	hermes.ben.com.pl
81.15.218.220	A+PTR	sonet.tychy.pl
81.15.218.220	A	progress.tychy.pl
81.15.218.220	A	stol-max.net
81.15.218.242	A	eixi.pl
81.15.219.35	A	gk-kety.com.pl
81.15.219.35	A	www.gk-kety.com.pl
81.15.219.37	A+PTR	mail4.grupakety.com
81.15.219.38	A+PTR	mail5.grupakety.com
81.15.219.49	A	mail4.gk-kety.com.pl
81.15.219.49	A	lol.wczk.pl
81.15.219.50	A+PTR	mail.grupakety.com
81.15.219.57	PTR	hub1.grupakety.com
81.15.219.61	PTR	poczta2.malopolska.uw.gov.pl
81.15.219.65	PTR	hades.malopolska.uw.gov.pl
81.15.219.67	PTR	poczta.malopolska.uw.gov.pl
81.15.219.129	A+PTR	juniper.ponar-wadowice.pl
81.15.219.129	A	smtp.ponar-wadowice.pl
81.15.219.132	A+PTR	redstar.pixnet.pl
81.15.219.132	A	pixnet.pl
81.15.219.132	A	www.pixnet.pl
81.15.219.134	A+PTR	mailcleaner.ponar.pl
81.15.219.134	A	mx2.pixnet.pl
81.15.219.150	A+PTR	ns1.ponar-wadowice.pl
81.15.219.151	A+PTR	ns2.ponar-wadowice.pl