Robtex

Up: 89.146.50.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.146.50.0/25
Down right: 89.146.50.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.146.50.0	PTR	rt50bb146-89-0.routit.net
89.146.50.54	PTR	rt50bb146-89-54.routit.net
89.146.50.60	A	www.publistat.com
89.146.50.68	A	mail.rotterdam-airport.nl
89.146.50.100	A	mail.dejonghverzekeringen.nl
89.146.50.103	A	mail.mbs-benelux.com
89.146.50.111	PTR	rt50bb146-89-111.routit.net
89.146.50.111	A	mail.utslimburg.nl
89.146.50.111	A	mail.utsbernardt.nl
89.146.50.121	PTR	mail.abbbouwgroep.nl
89.146.50.125	PTR	rt50bb146-89-125.routit.net
89.146.50.146	PTR	mail.edmij.nl
89.146.50.154	A	mail.ei-woerden.nl
89.146.50.157	PTR	rt50bb146-89-157.routit.net
89.146.50.157	A	mail.th-mp.eu
89.146.50.157	A	mail.th-mp.com
89.146.50.185	A	mailserver2.hollandfyto.nl
89.146.50.186	PTR	rt50bb146-89-186.routit.net
89.146.50.186	A	webmail.sprcoatings.nl
89.146.50.186	A	mail.sprcoatings.nl
89.146.50.189	PTR	rt50bb146-89-189.routit.net
89.146.50.189	A	post.hygienepartner.nl
89.146.50.198	A	mail2.baservices.nl
89.146.50.233	PTR	rt50bb146-89-233.routit.net
89.146.50.233	A	revaboriv.nl
89.146.50.234	PTR	rt50bb146-89-234.routit.net
89.146.50.234	A	mail.ai-total.nl
89.146.50.234	A	mail.eurogenes.com
89.146.50.243	PTR	rt50bb146-89-243.routit.net
89.146.50.243	A	inet.nl
89.146.50.243	A	bigwipesnl.com
89.146.50.244	A+PTR	mail.inet.nl
89.146.50.244	A	vanderhorn.nl
89.146.50.244	A	electrateam.nl
89.146.50.245	PTR	rt50bb146-89-245.routit.net
89.146.50.245	A	vanderhorn.nl
89.146.50.245	A	electrateam.nl
89.146.50.249	PTR	rt50bb146-89-249.routit.net
89.146.50.255	PTR	rt50bb146-89-255.routit.net