Robtex

Up: 31.22.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.22.24.0/22
Down right: 31.22.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.22.24.1	PTR	kbrhg-r1.hochrheinnet.net
31.22.24.2	PTR	kbrhg-r2.hochrheinnet.net
31.22.24.3	PTR	kbrhg-r3.hochrheinnet.net
31.22.24.33	PTR	vlan116.gig2.kbrhg-r2.hochrheinnet.net
31.22.24.34	A+PTR	ns1.hochrheinnet.net
31.22.24.131	A	satxpert.de
31.22.24.131	A	mail.satxpert.de
31.22.24.162	A+PTR	ns2.hochrheinnet.net
31.22.24.194	PTR	sip.hochrheinnet.de
31.22.24.194	A+PTR	sip.x-dsl.eu
31.22.25.6	A	mx.gutex.ch
31.22.25.6	A	smtp.gutex.de
31.22.25.20	A	mail2.hago-ft.de
31.22.25.26	PTR	remote.fab-materialfluss.de.25.22.31.in-addr.arpa
31.22.25.145	PTR	mail.schwarzwald-tourismus.info
31.22.25.235	A	sanitaer.no-ip.org
31.22.25.235	A	reefbiosearch.com.au
31.22.25.235	A	intern.maier-sanitaer.de
31.22.28.226	A	bauerndistel.de
31.22.30.12	A+PTR	mail.hochrheinnet.de
31.22.30.143	A	mail.khs-lackiertechnik.de
31.22.30.143	A	mail.eismanufaktur-maio.de
31.22.30.143	A	mail.linxpress.de
31.22.30.158	A	remote.fab-materialfluss.de
31.22.30.167	A	mail.h-v-t.de
31.22.30.167	A	remote.h-v-t.de
31.22.30.167	A	email.h-v-t.de
31.22.30.206	A	aww.de
31.22.30.206	A	aww.fr