Robtex

Up: 80.67.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 80.67.144.0/22
Down right: 80.67.148.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.67.144.2	A+PTR	gw.d4center.ch
80.67.144.2	PTR	mail1.turnkey-services.ch
80.67.144.2	PTR	fw.turnkey.ch
80.67.144.15	PTR	ns1.d4center.ch
80.67.144.16	A+PTR	smtpfm.outnet.ch
80.67.144.16	A	mail.comacom.ch
80.67.144.16	A	mail.buma-boiler.ch
80.67.144.21	A	citrix.turnkey.ch
80.67.144.30	PTR	www.chaotentruppe.ch
80.67.144.30	PTR	www.consomelec.ch
80.67.144.30	PTR	webmail.d4center.ch
80.67.144.32	A+PTR	ssl.d4center.ch
80.67.144.32	PTR	wlan.d4center.ch
80.67.144.32	PTR	gfi.tk-s.ch
80.67.144.35	PTR	projects.opus-solution.ch
80.67.144.35	PTR	pwr.opus-solution.ch
80.67.144.46	A+PTR	danaos3.beta-cae.com
80.67.144.48	A	mail.beta-cae.com
80.67.144.50	PTR	www.beta-cae.com
80.67.144.50	A	beta-cae.be
80.67.144.50	A	betacae.be
80.67.144.80	A	mail1.turnkey-services.ch
80.67.144.81	PTR	mail.cosmeticbright.ch
80.67.144.81	PTR	mail.tanbright.ch
80.67.144.81	PTR	mail1.turnkey-services.ch
80.67.144.82	PTR	obs.turnkey-services.ch
80.67.144.130	PTR	www.it-relations.com
80.67.144.131	PTR	50ca1.screenimage.ch
80.67.144.169	A	sunetonline.ch
80.67.144.170	A	gateway02.bbtsoftware.ch
80.67.144.170	A	bbtsoftware.ch
80.67.144.176	PTR	mail.bbtsoftware.ch
80.67.144.182	A+PTR	borel.bbtsoftware.ch
80.67.144.182	A	bbtsoftware.ch
80.67.144.182	A	ghosttown.ch
80.67.144.185	PTR	root.bbtsoftware.ch
80.67.144.186	A	ns4.bbtsoftware.ch
80.67.144.187	PTR	root-187.bbtsoftware.ch
80.67.144.187	A	sunetonline.ch
80.67.144.187	A	ns3.bbtsoftware.ch
80.67.144.188	A	exchange.bbtsoftware.ch
80.67.144.200	A+PTR	mail.ihe.biz
80.67.144.200	A	impuls-pictures.com
80.67.144.200	A	ihe.biz
80.67.144.232	PTR	admsps.turnkey.ch
80.67.146.1	PTR	mail.outnet.ch
80.67.146.1	PTR	owa.outnet.ch
80.67.146.1	A	webmail.d4center.ch
80.67.146.2	A+PTR	mail.outnet.ch
80.67.146.2	A+PTR	owa.outnet.ch
80.67.146.5	A+PTR	mail.tkcloud.ch
80.67.146.9	A+PTR	antispam.tkcloud.ch
80.67.146.9	A	smtpfm.outnet.ch
80.67.146.10	A+PTR	smtpedge.outnet.ch
80.67.146.10	A	smtpedge.turnkey-services.ch
80.67.146.20	PTR	ns1.outnet.ch
80.67.146.25	A	wss.outnet.ch
80.67.147.20	A	mail.juerg-frey.ch
80.67.147.20	A	juerg-frey.ch