Robtex

Up: 81.20.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.20.152.0/22
Down right: 81.20.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.20.152.0	PTR	81-20-152-0.gnw.ee
81.20.152.8	A	ravala8-gw.rgm.ee
81.20.152.8	A	server.rgm.ee
81.20.152.14	A	www.fm.ee
81.20.152.14	A	mail.fm.ee
81.20.152.66	PTR	inside.trenet.ee
81.20.152.67	A	nt.trenet.ee
81.20.152.70	A	kuut.trenet.ee
81.20.152.73	PTR	81-20-152-73.ipv4.ee
81.20.152.73	A	tre.sunlines.ee
81.20.152.74	PTR	81-20-152-74.ipv4.ee
81.20.152.74	A	netsys.ee
81.20.152.74	A	estonianbowhunters.ee
81.20.152.75	PTR	s2.trenet.ee
81.20.152.75	A	estonianbowhunters.ee
81.20.152.75	A	frizza.eu
81.20.152.87	A	liisingud.ee
81.20.152.93	A	elektrolink.ee
81.20.152.93	A	spetsialistid.ee
81.20.152.93	A	mail.loovnomme.ee
81.20.152.99	PTR	hosting.rgm.ee
81.20.152.99	A	ns1.ivask.com
81.20.152.99	A	www.ivask.com
81.20.152.123	PTR	ns2.01-creations.com
81.20.154.6	A	smtp.teledata.ee
81.20.154.50	PTR	81-20-154-50.ipv4.ee
81.20.154.50	A	xn--jtsiabi-5wa.ee
81.20.154.50	A	xn--jtsiabi-5wa.com
81.20.154.78	A	hiiusurf.eu
81.20.154.78	A	www.teledata.ee
81.20.154.78	A	www.realiagroup.ee
81.20.154.82	A	intranet.farmid.ee
81.20.154.86	A	boogie.ip.ee
81.20.154.86	A	smtp.webnest.ee
81.20.154.86	A	ip.ee
81.20.154.94	A	dev.plusskaart.ee
81.20.154.138	PTR	81-20-154-138.ipv4.ee
81.20.154.138	A	mail.mutabor.ee
81.20.154.138	A	www.cisis.ee
81.20.154.174	A	logify.net
81.20.154.174	A	e-mailforward.com
81.20.154.174	A	mail.postkontor.ee
81.20.154.182	A	pindi.ee
81.20.154.182	A	www.pindi.ee
81.20.154.182	A	eri.ee
81.20.155.5	A	janar.efadm.eu
81.20.155.11	A	dev.osta.ee
81.20.155.16	PTR	81-20-155-16.ipv4.ee
81.20.155.101	A	mail.infra2.net
81.20.155.101	A	mx1.infra2.net
81.20.155.102	A	mindwiser.com
81.20.155.102	A	infra2.net
81.20.155.160	PTR	81-20-155-160.gnw.ee
81.20.155.174	A	woolik.bumpclub.ee
81.20.155.174	A	parik.ee
81.20.155.174	A	eqversity.com
81.20.156.18	PTR	www.silmalaser.ee
81.20.156.26	A	is.edel.ee
81.20.156.27	A	work.edel.ee
81.20.156.35	A	otsing.dev.gomaailm.ee
81.20.156.42	A+PTR	www3.td.viatel.ee
81.20.156.42	A	www.pindi.ee
81.20.156.42	A	realialuxury.eu
81.20.156.51	PTR	ns2.laanemets.ee
81.20.156.58	PTR	ns.popp.ee
81.20.156.58	A	mail.baaritooted.eu
81.20.156.88	PTR	81-20-156-88.gnw.ee
81.20.156.101	A	holycow.eu
81.20.156.101	A	mail.holycow.eu
81.20.156.106	PTR	kjj-sr6-ae-0-898.ee.estpak.ee
81.20.156.106	A	eestigiid.ee
81.20.156.106	A	ehitus.ee
81.20.156.107	PTR	mail.turism.ee
81.20.156.115	A+PTR	mail.kpms.ee
81.20.156.115	A	mega.kpms.ee
81.20.156.115	A	fw.kpms.ee
81.20.156.123	PTR	smtp2.gnw.ee
81.20.156.123	A	mail.viatel.ee
81.20.156.124	A	www.baltijaam.ee
81.20.156.124	A	eurokraft.ee
81.20.156.124	A	gobus.ee
81.20.156.133	A	www.gonetwork.ee
81.20.156.133	A	gonetwork.ee
81.20.156.133	A	www.gnw.ee
81.20.156.139	A	hoolekandeteenused.ee
81.20.156.140	A	smtp.datafox.ee
81.20.156.140	A	raidma.ee
81.20.156.146	PTR	81-20-156-146.ipv4.ee
81.20.156.146	A	www.webwhistler.com
81.20.156.146	A	www.digipesa.ee
81.20.156.154	PTR	ere.ee
81.20.156.154	A	eestiareng.com
81.20.156.154	A	hoius.ere.ee
81.20.156.155	A+PTR	hoius.ere.ee
81.20.156.160	PTR	81-20-156-160.gnw.ee
81.20.156.184	PTR	81-20-156-184.gnw.ee
81.20.157.6	A	e-seif.ee
81.20.157.75	PTR	81-20-157-75.ipv4.ee
81.20.157.96	PTR	81-20-157-96.gnw.ee
81.20.157.162	PTR	81-20-157-162.ipv4.ee
81.20.157.162	A	smtp3.gnw.ee
81.20.157.163	PTR	81-20-157-163.gnw.ee
81.20.157.163	A	gotravel.ee
81.20.157.163	A	www.gotravel.ee
81.20.157.186	PTR	smtp2.gnw.ee
81.20.157.186	A	mail.viatel.ee
81.20.157.187	PTR	81-20-157-187.ipv4.ee
81.20.157.188	A	smtp.viatel.ee
81.20.157.188	A	smtp2.gnw.ee
81.20.157.188	A	mail.gnw.ee
81.20.158.14	A	minupilv.com
81.20.158.66	PTR	81-20-158-66.ipv4.ee
81.20.158.66	A	loopit.biz
81.20.158.68	A	devloopit.eu
81.20.158.192	PTR	81-20-158-192.gnw.ee
81.20.158.200	PTR	81-20-158-200.gnw.ee
81.20.158.211	PTR	81-20-158-211.ipv4.ee
81.20.158.211	A	digipesa.ee
81.20.159.60	A	s1-ipa-j25-tll.viatel.ee