Robtex

Up: 193.53.56.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.53.58.0/24
Down right: 193.53.59.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.53.58.39	A+PTR	directlab.nbb.be
193.53.58.101	A+PTR	webdnsp1.nbb.be
193.53.58.102	A+PTR	webdnsp2.nbb.be
193.53.58.121	PTR	ftps-ecorp.fsma.be
193.53.58.121	A+PTR	ftps.nbb.be
193.53.58.122	A	ftps-mail.nbb.be
193.53.58.123	A	ftps-dq.nbb.be
193.53.58.124	A	ftps-cba.nbb.be
193.53.58.127	A	ftps-cba-strong.nbb.be
193.53.58.140	A	access1x.nbb.be
193.53.58.141	A+PTR	access11.nbb.be
193.53.58.142	A	access12.nbb.be
193.53.58.143	A+PTR	access.nbb.be
193.53.58.143	A+PTR	token.nbb.be
193.53.58.168	A+PTR	meeting.nbb.be
193.53.58.169	A+PTR	apps.nbb.be
193.53.58.173	A+PTR	access1.nbb.be
193.53.58.173	A+PTR	webrasp1.nbb.be
193.53.58.174	A+PTR	access2.nbb.be
193.53.58.174	A+PTR	webrasp2.nbb.be
193.53.58.177	A	cashbo2.nbb.be
193.53.58.178	A+PTR	onegate-admin-test.nbb.be
193.53.58.178	A+PTR	onegate-admin.nbb.be
193.53.58.178	A+PTR	onegate-test.nbb.be
193.53.58.180	A+PTR	access_vip.nbb.be
193.53.58.182	A+PTR	webmrly02.nbb.be
193.53.58.184	A+PTR	webmrly04.nbb.be
193.53.58.185	PTR	www.mycashssp.eu
193.53.58.188	A+PTR	webmai02.nbb.be
193.53.58.189	A+PTR	webmai04.nbb.be
193.53.58.193	A+PTR	demo.nbb.be
193.53.58.203	A+PTR	belgostat.be
193.53.58.203	A	euro.be
193.53.58.203	A	bnb.be
193.53.58.207	A+PTR	www.csf-cfs.be
193.53.58.207	A	csf-cfs.be
193.53.58.216	PTR	csrt.cbfa.be
193.53.58.237	A	mobilemanagement.nbb.be
193.53.59.133	A	sfiglobalisations-test.nbb.be
193.53.59.156	A+PTR	www-test.crefs.be
193.53.59.173	A+PTR	access3.nbb.be
193.53.59.205	A+PTR	vip-test.nbb.be