Robtex

Up: 80.255.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.255.12.0/23
Down right: 80.255.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.255.12.2	A	heimertingen.de
80.255.12.35	PTR	mail.computerteam.de
80.255.12.35	A	grafische-maschinen.de
80.255.12.35	A	mail.motorradlack.de
80.255.12.36	A	db.computerteam.de
80.255.12.67	A	back02.sjhost.de
80.255.12.73	A+PTR	cdn01.sjhost.de
80.255.12.76	A	mail.serienjunkies.de
80.255.12.76	A	mail.filmjunkies.de
80.255.12.78	PTR	mail.serienjunkies.de
80.255.12.78	A	mail.sjhost.de
80.255.12.87	PTR	filmjunkies.de
80.255.12.87	A	filmjunkies.at
80.255.12.87	A	serienjunkies.com
80.255.12.88	PTR	serienjunkies.ch
80.255.12.88	A	filmjunkies.ch
80.255.12.89	PTR	serienjunkies.de
80.255.12.89	A	*.serienjunkies.de
80.255.12.89	A	ww.serienjunkies.de
80.255.12.90	PTR	sj.de
80.255.12.100	PTR	shop.serienjunkies.de
80.255.12.100	A	shigofumi.de
80.255.12.100	A	mail.shigofumi.de
80.255.12.146	A	billcompare.net
80.255.12.155	A+PTR	mx2.vfmn.de
80.255.12.155	A	mx2.boxdorfer-wohnanlage.de
80.255.12.155	A	mx1.fdz-fahrdienst.de
80.255.12.166	A	zweistift.com
80.255.12.166	A	sith.ch
80.255.12.166	A	www.sith.ch
80.255.12.170	A	56fd5cb881447.streamlock.net
80.255.12.171	A	ns1.emailspamguard.com
80.255.12.172	A	ns2.emailspamguard.com
80.255.12.172	A	emailspamguard.com
80.255.12.173	A	trafficwebhits.com
80.255.12.178	PTR	nbg.wwinlive.com
80.255.12.178	A	wwinlive.com
80.255.12.181	A	piramida-neretva.com
80.255.12.181	A	gimnazija-metkovic.hr
80.255.12.181	A	www.gimnazija-metkovic.net
80.255.12.189	A+PTR	ass.42he.com
80.255.12.194	A	www.brainbirds.de
80.255.12.198	A+PTR	mr-server.de
80.255.12.198	A	raum-v.de
80.255.12.198	A	xn--gewrz-spezialitten-ztb18b.de
80.255.12.230	A	com-location.help
80.255.12.231	A	www.arzeshonline.com
80.255.12.231	A	modernlookbyneni.com
80.255.12.236	A	www.frenchgirls.site
80.255.12.245	A	ns1.gooddrivers.org
80.255.12.245	A	ns2.gooddrivers.org
80.255.12.245	A	gooddrivers.org
80.255.12.248	A	tools-wp.com
80.255.13.2	PTR	vpn-gw-prod-010.ber0-cbb.ff.avast.com
80.255.13.2	A	db125.upjersnet.de
80.255.13.3	PTR	web129.upjersnet.de
80.255.13.3	A	ber-de.prcdn.net
80.255.13.19	PTR	db77.upjersnet.de
80.255.13.19	A	ber-de.prcdn.net
80.255.13.31	PTR	ad-admin.upjersnet.de
80.255.13.32	PTR	langdb1-ha1.upjersnet.de
80.255.13.75	PTR	web153.upjersnet.de
80.255.13.88	A+PTR	web160.upjersnet.de
80.255.13.105	A	web175.upjersnet.de
80.255.13.129	PTR	db113.upjersnet.de
80.255.14.5	PTR	ae14-2021.fra10.core-backbone.com
80.255.14.82	PTR	ae1-2003.fra20.core-backbone.com
80.255.14.122	PTR	core-backbone.privatelayer.com
80.255.14.142	PTR	core-backbone.tdc.dk
80.255.14.146	PTR	core-backbone.purtel.com
80.255.14.171	PTR	core-backbone.elaxy.com
80.255.14.194	PTR	ae1-2081.sth10.core-backbone.com
80.255.14.194	A	dc-349.ptoserver.com
80.255.14.246	PTR	ae6-2011.nbg40.core-backbone.com
80.255.15.9	PTR	ae0-813.muc10.core-backbone.com
80.255.15.18	PTR	rtdecix-g32.netcologne.de
80.255.15.33	PTR	xae0-2020.fra10.core-backbone.com
80.255.15.37	PTR	xae0-2012.nbg10.core-backbone.com
80.255.15.102	PTR	ae0-4031.nbg24.core-backbone.com
80.255.15.102	A	dc-196.ptoserver.com
80.255.15.102	A	dc-409.ptoserver.com
80.255.15.114	PTR	core-backbone.solarcom.ch
80.255.15.121	PTR	ae1-710.fra20.core-backbone.com
80.255.15.135	PTR	mail-04.rsm-freilassing.de
80.255.15.135	A	krealand.com
80.255.15.135	A	gemeinde-ainring.de
80.255.15.136	A+PTR	www.rsm-connect.net
80.255.15.136	A	rsm-connect.net
80.255.15.137	A	voip.rsm-connect.net
80.255.15.141	A+PTR	ns1.rsm-freilassing.de
80.255.15.142	A+PTR	ns2.rsm-freilassing.de
80.255.15.162	PTR	gw03-corebackbone.netcup.net
80.255.15.165	PTR	ae3-2072.ams10.core-backbone.com