Robtex

Up: 89.164.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.164.90.0/25
Down right: 89.164.90.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.164.90.12	A+PTR	test.zagreb-airport.hr
89.164.90.15	A+PTR	scom.zagreb-airport.hr
89.164.90.27	A+PTR	mail.mzlz-zagreb-airport.hr
89.164.90.27	A+PTR	owa.mzlz-zagreb-airport.hr
89.164.90.27	A+PTR	autodiscover.mzlz-zagreb-airport.hr
89.164.90.29	A	mx02.mzlz-zagreb-airport.hr
89.164.90.31	A	mx03.mzlz-zagreb-airport.hr
89.164.90.50	PTR	sapportal.zagreb-airport.hr
89.164.90.50	A+PTR	vpn.zagreb-airport.hr
89.164.90.54	A+PTR	mail.zagreb-airport.hr
89.164.90.55	A+PTR	galiot.zagreb-airport.hr
89.164.90.56	A+PTR	qrcode.zagreb-airport.hr
89.164.90.56	A+PTR	supracontrol.zagreb-airport.hr
89.164.90.57	PTR	ap.zagreb-airport.hr
89.164.90.57	PTR	intranet.zagreb-airport.hr
89.164.90.59	A+PTR	ext.zagreb-airport.hr
89.164.90.59	A+PTR	ext2.zagreb-airport.hr
89.164.90.59	A+PTR	ftp.zagreb-airport.hr
89.164.90.60	PTR	it.zagreb-airport.hr
89.164.90.67	A+PTR	mail01.zagreb-airport.hr
89.164.90.67	A+PTR	mail01.mzlz-zagreb-airport.hr
89.164.90.68	A+PTR	mail02.mzlz-zagreb-airport.hr
89.164.90.68	A+PTR	mail02.zagreb-airport.hr
89.164.90.100	A+PTR	faust.zagreb-airport.hr
89.164.90.192	A+PTR	dns.mzlz-zagreb-airport.hr
89.164.90.192	A+PTR	cps.zagreb-airport.hr
89.164.90.192	A+PTR	crl.zagreb-airport.hr