Robtex

Up: 81.18.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 81.18.204.0/23
Down right: 81.18.206.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.18.204.32	PTR	81-18-204-32.static.chello.pl
81.18.204.35	PTR	szalupa.batory.org.pl
81.18.204.35	A	ngofund.org.pl
81.18.204.35	A	monitoringkandydatow.org.pl
81.18.204.40	A	pancernik.batory.org.pl
81.18.204.44	A+PTR	batyskaf.batory.org.pl
81.18.204.44	A	ns1.batory.org.pl
81.18.204.44	A	mail.batory.org.pl
81.18.204.62	PTR	81-18-204-62.static.chello.pl
81.18.204.63	PTR	81-18-204-63.static.chello.pl
81.18.204.66	PTR	81-18-204-66.static.chello.pl
81.18.204.101	PTR	81-18-204-101.static.chello.pl
81.18.204.101	A	mail.szczepanik.org
81.18.204.101	A	europejczyk.net
81.18.204.117	PTR	81-18-204-117.static.chello.pl
81.18.204.122	PTR	81-18-204-122.static.chello.pl
81.18.204.122	A	sms1.klima-therm.pl
81.18.204.132	PTR	81-18-204-132.static.chello.pl
81.18.204.132	A	mx.poczta.ipp.com.pl
81.18.204.132	A	mx.poczta.t4b.com.pl
81.18.204.144	PTR	81-18-204-144.static.chello.pl
81.18.204.144	A	klucz.net
81.18.204.144	A	www.klucz.net
81.18.204.176	A	www.t-master.pl
81.18.204.176	A	t-master.com.pl
81.18.204.176	A	www.t-master.com.pl
81.18.204.254	A+PTR	mail.pc-expert.pl
81.18.204.254	A	pc-expert.pl
81.18.205.98	A+PTR	poczta.hydro-partner.pl
81.18.205.103	A+PTR	81-18-205-103.static.chello.pl
81.18.205.134	PTR	81-18-205-134.static.chello.pl
81.18.205.134	A	wmsd.it
81.18.205.134	A	seminarium.wmsd.waw.pl
81.18.205.173	A	cyborgidea.com.pl
81.18.205.173	A	www.cyborgidea.com.pl
81.18.206.13	A+PTR	81-18-206-13.static.chello.pl
81.18.206.126	A	ns1.login.net.pl
81.18.206.126	A	ns3.login.net.pl
81.18.206.129	PTR	81-18-206-129.static.chello.pl
81.18.206.179	PTR	81-18-206-179.static.chello.pl
81.18.206.183	PTR	81-18-206-183.static.chello.pl
81.18.206.232	PTR	81-18-206-232.static.chello.pl
81.18.206.240	PTR	81-18-206-240.static.chello.pl
81.18.206.251	PTR	81-18-206-251.static.chello.pl
81.18.207.82	A+PTR	81-18-207-82.static.chello.pl
81.18.207.102	A+PTR	remote.hotelszafran.pl
81.18.207.214	A	www.pck.malopolska.pl
81.18.207.214	A	krwiobiegkrakow.org