Robtex

Up: 81.18.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.18.208.0/22
Down right: 81.18.212.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.18.208.10	PTR	poczta.tav.pl
81.18.208.10	A	poczta.nowadent.kartuzy.pl
81.18.208.10	A	mail.nowadent.kartuzy.pl
81.18.208.61	A	81-18-208-61.static.chello.pl
81.18.208.66	A+PTR	poczta.lekmedcm.pl
81.18.208.66	A	lekmedcm.pl
81.18.208.73	A+PTR	81-18-208-73.static.chello.pl
81.18.208.76	A	drukarniabeltrani.pl
81.18.208.76	A	szumera.pl
81.18.208.76	A	mail.drukarniabeltrani.pl
81.18.208.214	A	81-18-208-214.static.chello.pl
81.18.209.4	A+PTR	81-18-209-4.static.chello.pl
81.18.210.3	A	hlight.pl
81.18.210.5	A	maximail.com.pl
81.18.210.5	A	www.trenerbiznesu.com.pl
81.18.210.14	A	81-18-210-14.static.chello.pl
81.18.210.16	A+PTR	81-18-210-16.static.chello.pl
81.18.210.25	A	81-18-210-25.static.chello.pl
81.18.210.37	A	81-18-210-37.static.chello.pl
81.18.210.47	A	81-18-210-47.static.chello.pl
81.18.210.55	A	81-18-210-55.static.chello.pl
81.18.210.68	A	81-18-210-68.static.chello.pl
81.18.210.71	A	81-18-210-71.static.chello.pl
81.18.210.87	A	81-18-210-87.static.chello.pl
81.18.210.88	A	x-scale.pl
81.18.210.91	PTR	81-18-210-91.static.chello.pl
81.18.210.91	A	medilogic.com.pl
81.18.210.91	A	mail.medilogic.pl
81.18.210.92	A	zimbra.czapekresearch.com
81.18.210.106	A	81-18-210-106.static.chello.pl
81.18.210.126	A	81-18-210-126.static.chello.pl
81.18.210.128	A	81-18-210-128.static.chello.pl
81.18.210.140	A	81-18-210-140.static.chello.pl
81.18.210.140	A	mail02.electronic.pl
81.18.210.184	A	81-18-210-184.static.chello.pl
81.18.210.187	A	81-18-210-187.static.chello.pl
81.18.210.189	A	81-18-210-189.static.chello.pl
81.18.210.190	A	81-18-210-190.static.chello.pl
81.18.210.193	A+PTR	81-18-210-193.static.chello.pl
81.18.210.198	A	dns02.electronic.pl
81.18.210.199	A	81-18-210-199.static.chello.pl
81.18.210.208	A	81-18-210-208.static.chello.pl
81.18.210.225	A	81-18-210-225.static.chello.pl
81.18.210.226	A	81-18-210-226.static.chello.pl
81.18.210.231	A	81-18-210-231.static.chello.pl
81.18.210.239	A	81-18-210-239.static.chello.pl
81.18.210.240	A+PTR	81-18-210-240.static.chello.pl
81.18.210.243	A	81-18-210-243.static.chello.pl
81.18.211.1	A	serup001.lanpol.pl
81.18.211.2	A+PTR	serup002.lanpol.pl
81.18.211.9	A	serup009.lanpol.pl
81.18.211.10	PTR	serup010.lanpol.pl
81.18.211.10	A	highendaudio.pl
81.18.211.10	A	janstecki.pl
81.18.211.20	A	serup020.lanpol.pl
81.18.211.25	A+PTR	serup025.lanpol.pl
81.18.211.39	A	serup039.lanpol.pl
81.18.211.41	A+PTR	serup041.lanpol.pl
81.18.211.41	A	sn1.domena500.pl
81.18.211.41	A	ns1.kaczynski.net.pl
81.18.211.101	A	serup101.lanpol.pl
81.18.211.108	A	serup108.lanpol.pl
81.18.211.110	A	kiermasz.net.pl
81.18.211.110	A	ns1.domena500.pl
81.18.211.110	A	ns1.lanpol.pl
81.18.211.116	A	serup116.lanpol.pl
81.18.211.121	A+PTR	serup121.lanpol.pl
81.18.211.135	A	mailtest.db-direkt.com
81.18.211.135	A	db-direkt.com
81.18.211.135	A	gradzinski.pl
81.18.211.158	A	swietazvmlyr.com
81.18.211.226	A+PTR	mx1.polin.pl
81.18.211.226	A	mx1.mhzp.pl
81.18.211.226	A	mx1.jewishmuseum.org.pl
81.18.212.209	PTR	mail.pwsz.edu.pl
81.18.212.242	A+PTR	rekrutacja.pwsz.edu.pl
81.18.212.245	A	mail.pwsz.edu.pl
81.18.213.5	A	ns1.itwl.pl
81.18.213.6	A	ns2.itwl.pl
81.18.213.10	A+PTR	poczta.itwl.pl
81.18.213.10	A	orlik.itwl.pl
81.18.213.10	A	ftp.itwl.pl
81.18.213.11	PTR	ns2.itwl.pl
81.18.213.24	PTR	81-18-213-24.static.chello.pl
81.18.213.24	A	mx.itwl.pl
81.18.213.36	A	81-18-213-36.static.chello.pl
81.18.213.41	A+PTR	81-18-213-41.static.chello.pl
81.18.213.49	A+PTR	81-18-213-49.static.chello.pl
81.18.213.51	A+PTR	81-18-213-51.static.chello.pl
81.18.213.57	A+PTR	81-18-213-57.static.chello.pl
81.18.213.64	A+PTR	81-18-213-64.static.chello.pl
81.18.213.74	PTR	81-18-213-74.static.chello.pl
81.18.213.88	PTR	81-18-213-88.static.chello.pl
81.18.213.99	PTR	81-18-213-99.static.chello.pl
81.18.213.202	PTR	phoenix.interlan.to
81.18.213.226	A+PTR	81-18-213-226.static.chello.pl
81.18.213.226	A	serwisb2b.pl
81.18.213.227	PTR	81-18-213-227.static.chello.pl
81.18.213.227	A	bs4you.pl
81.18.213.231	A	mail.bs4you.pl
81.18.214.10	PTR	81-18-214-10.static.chello.pl
81.18.214.14	A	mail.ng-investment.pl
81.18.214.30	A	aplikacje.silcon.pl
81.18.214.30	A	lotus.silcon.pl
81.18.214.44	A	81-18-214-44.static.chello.pl
81.18.214.47	A	81-18-214-47.static.chello.pl
81.18.214.48	A	81-18-214-48.static.chello.pl
81.18.214.62	A	81-18-214-62.static.chello.pl
81.18.214.116	A	81-18-214-116.static.chello.pl
81.18.214.122	PTR	81-18-214-122.static.chello.pl
81.18.214.122	A	loanme.pl
81.18.214.126	A	cerber.premiumtechnology.pl
81.18.214.163	PTR	81-18-214-163.static.chello.pl
81.18.214.163	A	premiumsolutions.pl
81.18.214.163	A	www.premiumsolutions.pl
81.18.214.181	A	81-18-214-181.static.chello.pl
81.18.214.184	A	81-18-214-184.static.chello.pl
81.18.214.187	A	81-18-214-187.static.chello.pl
81.18.214.249	PTR	81-18-214-249.static.chello.pl
81.18.214.250	PTR	81-18-214-250.static.chello.pl
81.18.214.250	A	poczta.eurotrans.waw.pl
81.18.215.209	A+PTR	mail.hp.edu.pl
81.18.215.210	A	hp010.hp.edu.pl