Robtex

Up: 31.24.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.24.168.0/22
Down right: 31.24.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.24.168.1	PTR	gw.21cloud.de
31.24.168.2	PTR	gw01.21cloud.de
31.24.168.6	A+PTR	dns01.21cloud.de
31.24.168.6	A	dns01.keyidentity.com
31.24.168.99	PTR	www.21cloud.de
31.24.168.99	A	hostmaster.21cloud.de
31.24.168.99	A	gw01.21cloud.de
31.24.169.1	PTR	gw.21cloud.de
31.24.169.2	PTR	gw01.21cloud.de
31.24.169.6	A+PTR	dns02.21cloud.de
31.24.169.6	A	dns02.keyidentity.com
31.24.175.14	A	engler-router01.21cloud.de
31.24.175.20	A	rem-portal.de
31.24.175.21	A	praktiker-bondholder.com
31.24.175.21	A	praktiker-bondholder.de
31.24.175.50	PTR	www.pawisda.de
31.24.175.50	A	l-vin.eu
31.24.175.50	A	pawisda.eu
31.24.175.52	PTR	odoo01.binect.de
31.24.175.56	A	hostmaster.lvinpost.de
31.24.175.56	A	lvinpost.de
31.24.175.58	A+PTR	turkcell.l-vin.de
31.24.175.68	A+PTR	s0a.linupfront.de
31.24.175.68	A	www.linupfront.de
31.24.175.75	A	nec-store.de
31.24.175.75	A	necstore.de
31.24.175.76	A+PTR	lw-mx-01.linworks.de
31.24.175.77	A	nec-kaufen.com
31.24.175.89	A+PTR	jalapeno.peprz.de
31.24.175.89	A	service-a.peprz.de
31.24.175.102	A+PTR	mail.tecberg-group.com
31.24.175.102	A	tecberg-group.com
31.24.175.102	A	tecberg-group.de
31.24.175.176	A+PTR	lempereur-haut.binect.de
31.24.175.176	A	hostmaster.lvinpost.de
31.24.175.176	A	lvinpost.de
31.24.175.181	A	max21.de
31.24.175.182	PTR	prassinos.binect.de
31.24.175.182	A	l-vin.eu
31.24.175.182	A	pawisda.eu
31.24.175.183	PTR	rigamonti.binect.de
31.24.175.183	A	pawisda.de
31.24.175.189	A+PTR	widstromer.binect.de