Robtex

Up: 81.18.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 81.18.220.0/23
Down right: 81.18.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.18.220.4	A+PTR	81-18-220-4.static.chello.pl
81.18.220.4	A	avsystem.com
81.18.220.4	A	dc-2ba2d800bfcf.rozkmina.com
81.18.220.30	PTR	81-18-220-30.static.chello.pl
81.18.220.30	A	mailrelay.avsystem.com
81.18.220.65	A+PTR	81-18-220-65.static.chello.pl
81.18.220.65	A	ns2.dml.net.pl
81.18.220.68	A+PTR	81-18-220-68.static.chello.pl
81.18.220.68	A	zimbra.dml.net.pl
81.18.220.69	A	kokoszyk.com
81.18.220.97	PTR	81-18-220-97.static.chello.pl
81.18.220.97	A	router.ergo.net.pl
81.18.220.100	A	epsilon.ergo.net.pl
81.18.220.101	A	lambda.ergo.net.pl
81.18.220.102	A+PTR	mail.ergo.net.pl
81.18.220.103	PTR	firebird.ergo.net.pl
81.18.220.104	A	glassfish.ergo.net.pl
81.18.220.105	A	epsilon-ilo.ergo.net.pl
81.18.220.108	A	magazyn.ergo.net.pl
81.18.220.110	A	aplikacje.ergo.net.pl
81.18.220.112	PTR	www.ergo.net.pl
81.18.220.112	A	ftp.ergo.net.pl
81.18.220.112	A	poczta.ergo.net.pl
81.18.220.114	A	backup.ergo.net.pl
81.18.220.115	A+PTR	81-18-220-115.static.chello.pl
81.18.220.211	PTR	81-18-220-211.static.chello.pl
81.18.220.211	A	mail.oirp.waw.pl
81.18.220.216	A	szukajradcy.pl
81.18.221.26	A+PTR	main.gambit.net.pl
81.18.221.26	A	gambit.krakow.pl
81.18.221.26	A	gambit.net.pl
81.18.222.9	PTR	mail.streamsoft.pl
81.18.222.9	A	poczta.streamsoft.pl
81.18.222.9	A	dns2.pcbiznes.net
81.18.222.10	PTR	www.streamsoft.pl
81.18.222.14	PTR	14.static.streamsoft.pl
81.18.222.14	A	pcbiznes.pl
81.18.222.17	A	www.firmino.pl
81.18.222.19	PTR	19.static.streamsoft.pl
81.18.222.19	A	pcbiznes.pl
81.18.222.19	A	streamsoft.pl
81.18.222.22	PTR	22.static.streamsoft.pl
81.18.222.22	A	www.pcbiznes.pl
81.18.223.98	PTR	mail.str.com.pl
81.18.223.130	A	mili.cyberbiznes.biz
81.18.223.131	A+PTR	81-18-223-131.static.chello.pl
81.18.223.131	A	mikro.cyberbiznes.com
81.18.223.132	A+PTR	81-18-223-132.static.chello.pl
81.18.223.134	A	femto.cyberbiznes.eu
81.18.223.135	A	atto.cyberbiznes.eu
81.18.223.142	A	peta.cyberbiznes.pl
81.18.223.206	PTR	81-18-223-206.static.chello.pl
81.18.223.206	A	izgo.pl
81.18.223.240	A+PTR	81-18-223-240.static.chello.pl
81.18.223.252	PTR	81-18-223-252.static.chello.pl
81.18.223.253	A+PTR	81-18-223-253.static.chello.pl
81.18.223.253	A	firma.wbs-bank.pl
81.18.223.254	PTR	81-18-223-254.static.chello.pl
81.18.223.254	A	wbs-bank.pl
81.18.223.254	A	www.wbs-bank.pl
81.18.223.255	PTR	81-18-223-255.static.chello.pl