Robtex

Up: 217.72.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 217.72.224.0/21
Down right: 217.72.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.72.230.2	A	relay1.base.be
217.72.230.130	A+PTR	relay2.base.be
217.72.230.251	A+PTR	testipv4-230.kpngroup.be
217.72.233.5	A+PTR	ns10.base.be
217.72.234.1	A+PTR	ns30.base.be
217.72.236.68	A+PTR	remote.kpngroup.be
217.72.236.70	A+PTR	ns20.base.be
217.72.236.71	PTR	mailbounce.allotelecom.be
217.72.236.71	A+PTR	mailrelay1.basecompany.be
217.72.236.71	A+PTR	mailbounce.kpngroup.be
217.72.236.73	PTR	partner2.base.be
217.72.236.82	A	mailrelay.base.be
217.72.236.85	A	partner.basecompany.be
217.72.236.85	A	partner.kpngroup.be
217.72.236.86	PTR	citrix.basecompany.be
217.72.236.86	A+PTR	citrix.kpngroup.be
217.72.236.87	A+PTR	vvm.kpngroup.be
217.72.236.87	A+PTR	yvm.kpngroup.be
217.72.236.88	A	yvm.kpngroup.be
217.72.236.88	A	vvm.kpngroup.be
217.72.237.73	A+PTR	crm.kpngroup.be
217.72.237.77	A+PTR	crm-fstl.kpngroup.be
217.72.237.95	A	chiama.be
217.72.237.95	A	zoniq.be
217.72.237.95	A	*.zoniq.be
217.72.237.133	PTR	basecompany.be
217.72.237.133	PTR	api.basecompany.be
217.72.237.133	PTR	www-prd.basecompany.be
217.72.237.137	PTR	eservices.base.be
217.72.237.144	A	testselfcareservice.kpngroup.be
217.72.237.146	A+PTR	ecommerce.base.be
217.72.238.71	PTR	mailbounce.allotelecom.be
217.72.238.71	A+PTR	mailrelay2.basecompany.be
217.72.238.71	A+PTR	mailbounce.kpngroup.be
217.72.238.87	A+PTR	vvm.kpngroup.be
217.72.238.87	A+PTR	yvm.kpngroup.be
217.72.238.88	A+PTR	vvm.kpngroup.be
217.72.238.88	A+PTR	yvm.kpngroup.be