Robtex

Up: 5.83.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 5.83.0.0/22
Down right: 5.83.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.83.0.1	PTR	5-83-0-1.as51050.net
5.83.0.2	PTR	rpg253.embluerpg.com
5.83.0.7	PTR	rpg5.embluerpg.com
5.83.0.28	PTR	rpg26.embluerpg.com
5.83.0.29	PTR	5-83-0-29.as51050.net
5.83.0.30	PTR	rpg28.embluerpg.com
5.83.0.39	A+PTR	rpg37.embluerpg.com
5.83.0.67	PTR	rpg65.embluerpg.com
5.83.0.75	PTR	rpg73.embluerpg.com
5.83.0.88	PTR	5-83-0-88.as51050.net
5.83.0.89	PTR	5-83-0-89.as51050.net
5.83.0.91	PTR	rpg89.embluerpg.com
5.83.0.93	PTR	5-83-0-93.as51050.net
5.83.0.111	A+PTR	rpg109.embluerpg.com
5.83.0.170	PTR	5-83-0-170.as51050.net
5.83.0.170	A	webmail.stichtingtrias.nl
5.83.0.171	PTR	rpg169.embluerpg.com
5.83.0.176	PTR	rpg174.embluerpg.com
5.83.0.194	PTR	5-83-0-194.as51050.net
5.83.0.195	PTR	5-83-0-195.as51050.net
5.83.0.199	PTR	5-83-0-199.as51050.net
5.83.0.214	PTR	5-83-0-214.as51050.net
5.83.0.227	PTR	5-83-0-227.as51050.net
5.83.0.250	PTR	rpg248.embluerpg.com
5.83.1.1	PTR	5-83-1-1.as51050.net
5.83.1.2	PTR	5-83-1-2.as51050.net
5.83.1.144	PTR	5-83-1-144.as51050.net
5.83.2.1	PTR	5-83-2-1.as51050.net
5.83.2.3	PTR	5-83-2-3.as51050.net
5.83.2.4	A	mail.eceoffshore.com
5.83.2.6	PTR	5-83-2-6.as51050.net
5.83.2.6	A	ddevconsulting.com
5.83.2.18	PTR	mail.pietvijverberg.nl
5.83.2.18	A	remote.pietvijverberg.nl
5.83.2.26	PTR	remote.vicentra.com
5.83.2.26	A	eas.vicentra.com
5.83.2.45	PTR	mail.siedle.nl
5.83.2.70	A	mail.nicodejong.com
5.83.2.78	PTR	5-83-2-78.as51050.net
5.83.2.110	PTR	5-83-2-110.as51050.net
5.83.2.110	A	mx2.hospitality.nl
5.83.2.110	A	mail.freetimehospitality.nl
5.83.2.122	A	mail.hazeleger-kaas.nl
5.83.2.134	A	mail.axiaseeds.com
5.83.2.146	A	remote.mosman.eu
5.83.2.170	PTR	5-83-2-170.as51050.net
5.83.2.170	A	mailserver.vanaalstbulkhandling.com
5.83.2.170	A	mail.vanaalstbulkhandling.com
5.83.2.174	PTR	5-83-2-174.as51050.net
5.83.2.174	A	mail.designbouw.com
5.83.2.174	A	mail.kozijnbouw.com
5.83.2.182	PTR	5-83-2-182.as51050.net
5.83.2.182	A	mx.airosonic.nl
5.83.2.182	A	mx.airosonicbv.nl
5.83.2.186	PTR	mail.dmsn.com
5.83.2.187	A+PTR	mail.dmsn.com
5.83.2.187	A	mail.dmsn.nl
5.83.2.187	A	mail.secretaris.nl
5.83.2.198	A+PTR	server.integron.nl
5.83.2.198	A	mail.ithappinessbenchmark.com
5.83.2.198	A	server.yorizongroup.com
5.83.3.4	PTR	5-83-3-4.as51050.net
5.83.3.4	A	mx.optimix.nl
5.83.3.5	PTR	5-83-3-5.as51050.net
5.83.3.30	PTR	5-83-3-30.as51050.net
5.83.3.43	A	login.vredehof.nl
5.83.3.45	PTR	5-83-3-45.as51050.net
5.83.4.1	PTR	5-83-4-1.as51050.net
5.83.4.5	PTR	5-83-4-5.as51050.net
5.83.4.66	PTR	66.fastmail.envionewsletters.com
5.83.5.1	PTR	5-83-5-1.as51050.net
5.83.5.3	A+PTR	emark36.emblueuser.com
5.83.5.4	A+PTR	emark35.emblueuser.com
5.83.5.5	A	emark34.emblueuser.com
5.83.5.6	A	emark33.emblueuser.com
5.83.5.9	A+PTR	emark24.emblueuser.com
5.83.5.10	A+PTR	emark23.emblueuser.com
5.83.5.11	A+PTR	emark22.emblueuser.com
5.83.5.12	A+PTR	emark21.emblueuser.com
5.83.5.16	A+PTR	emark17.emblueuser.com
5.83.5.17	A+PTR	emark16.emblueuser.com
5.83.5.18	PTR	5-83-5-18.as51050.net
5.83.5.19	A+PTR	emark25.emblueuser.com
5.83.5.22	A	emark100.emblueuser.com
5.83.5.24	A+PTR	emark102.emblueuser.com
5.83.5.25	A+PTR	emark103.emblueuser.com
5.83.5.26	A+PTR	emark104.emblueuser.com
5.83.5.27	A+PTR	emark105.emblueuser.com
5.83.5.32	A+PTR	emark110.emblueuser.com
5.83.5.33	A+PTR	emark111.emblueuser.com
5.83.5.34	A+PTR	emark112.emblueuser.com
5.83.5.35	A+PTR	emark113.emblueuser.com
5.83.5.40	A+PTR	emark118.emblueuser.com
5.83.5.41	A+PTR	emark119.emblueuser.com
5.83.5.42	A+PTR	emark120.emblueuser.com
5.83.5.43	A+PTR	emark121.emblueuser.com
5.83.5.48	A+PTR	emark131.emblueuser.com
5.83.5.49	A+PTR	emark132.emblueuser.com
5.83.5.50	A+PTR	emark328.emblueuser.com
5.83.5.51	A+PTR	emark152.emblueuser.com
5.83.5.56	A+PTR	emark157.emblueuser.com
5.83.5.57	A+PTR	emark158.emblueuser.com
5.83.5.58	A+PTR	emark159.emblueuser.com
5.83.5.59	A+PTR	emark160.emblueuser.com
5.83.5.64	A+PTR	emark165.emblueuser.com
5.83.5.65	PTR	emark165.emblueuser.com
5.83.5.66	A+PTR	emark167.emblueuser.com
5.83.5.67	A+PTR	emark168.emblueuser.com
5.83.5.68	A	emark169.emblueuser.com
5.83.5.76	A+PTR	emark279.emblueuser.com
5.83.5.112	A+PTR	emark315.emblueuser.com
5.83.6.18	A+PTR	mail.simmart.nl
5.83.6.18	A	mail.simsys.nl
5.83.6.38	PTR	5-83-6-38.as51050.net
5.83.6.38	A	mx.modana-laimbock.nl
5.83.6.38	A	mail.modana-laimbock.nl
5.83.6.58	A+PTR	mail.kraayenzank.nl
5.83.6.58	A	mail.kraaijenzank.nl
5.83.6.89	PTR	5-83-6-89.as51050.net
5.83.6.98	PTR	5-83-6-98.as51050.net
5.83.6.102	A+PTR	mail.bosinstallatietechniek.nl
5.83.6.166	PTR	5-83-2-166.as51050.net
5.83.6.166	A	mail.schipperonderhoudsbedrijven.nl
5.83.6.166	A	mail.ondernemershuis.info
5.83.7.2	PTR	ssg.xarahosting.nl
5.83.7.3	PTR	sw.xarahosting.nl
5.83.7.5	A	smtp.xarahosting.nl
5.83.7.6	A	abe90.com
5.83.7.6	A	*.sleeshop.nl
5.83.7.6	A	trineosonline.es
5.83.7.10	PTR	zimbra01.xarahosting.nl
5.83.7.10	A	mail.onlinewebstore.nl
5.83.7.10	A	mail.frietpoint.nl
5.83.7.11	PTR	web03.xarahosting.nl
5.83.7.14	PTR	web01.xarahosting.nl
5.83.7.15	PTR	nas001.xarahosting.nl
5.83.7.16	PTR	5-83-7-16.as51050.net
5.83.7.16	A	restaurantlibero.nl
5.83.7.16	A	topweazle.com
5.83.7.17	PTR	www.xarahosting.nl
5.83.7.18	PTR	5-83-7-18.as51050.net
5.83.7.19	PTR	www.voetbabbel.nl
5.83.7.24	PTR	web01.xarahosting.nl
5.83.7.24	A	vermogen.net
5.83.7.24	A	webmisbruikers.nl
5.83.7.25	PTR	web02.xarahosting.nl
5.83.7.26	PTR	5-83-7-26.as51050.net
5.83.7.26	A	restaurantlibero.nl
5.83.7.26	A	www.williewortelsinsemilla.nl
5.83.7.27	PTR	ns1.xarahosting.nl
5.83.7.55	A+PTR	spamfighter2.connaxiscloud.com
5.83.7.58	PTR	5-83-7-58.as51050.net
5.83.7.58	A	ns7.connaxishosting.com
5.83.7.58	A	ns6.connaxishosting.com
5.83.7.59	PTR	5-83-7-59.as51050.net
5.83.7.59	A	frankmonstrey.com
5.83.7.59	A	mail.frankmonstrey.com
5.83.7.71	A+PTR	mail.jorsoft.nl
5.83.7.71	A	mail.brandloft.ch
5.83.7.71	A	mail.nooteboomtextiel.nl
5.83.7.73	PTR	5-83-7-73.as51050.net
5.83.7.73	A	mail2.rhinetex.com
5.83.7.73	A	tand-wiel.nl
5.83.7.74	PTR	5-83-7-74.as51050.net
5.83.7.74	A	hardloopblessure.com
5.83.7.76	PTR	5-83-7-76.as51050.net
5.83.7.76	A	pvointerieur.nl
5.83.7.131	PTR	5-83-7-131.as51050.net