Robtex

Up: 89.18.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 89.18.16.0/22
Down right: 89.18.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.18.16.1	A	servers-365.com
89.18.16.2	PTR	client-89-18-16-2.expresnet.ro
89.18.16.200	PTR	client-89-18-16-200.expresnet.ro
89.18.16.201	PTR	client-89-18-16-201.expresnet.ro
89.18.17.91	PTR	client-89-18-17-91.expresnet.ro
89.18.18.4	PTR	client-89-18-18-4.expresnet.ro
89.18.18.59	PTR	client-89-18-18-59.expresnet.ro
89.18.18.59	A	ns2.unjoc.ro
89.18.19.249	PTR	client-89-18-19-249.expresnet.ro
89.18.20.2	PTR	client-89-18-20-2.expresnet.ro
89.18.20.4	PTR	client-89-18-20-4.expresnet.ro
89.18.20.11	PTR	client-89-18-20-11.expresnet.ro
89.18.20.140	A	caluliber.ro
89.18.21.124	A	mail2.elfabo.ro
89.18.23.25	PTR	mail.aurelia-tudorache.com
89.18.23.41	A+PTR	azrael.diva.ro
89.18.23.136	A+PTR	mail.diva.ro
89.18.23.136	PTR	ns.diva.ro
89.18.23.136	PTR	seraphim.diva.ro
89.18.23.198	A	mail.galis.ro
89.18.23.198	A	galis.ro
89.18.23.198	A	ns2.galis.ro
89.18.23.210	PTR	client-89-18-23-210.expresnet.ro
89.18.23.226	PTR	client-89-18-23-226.expresnet.ro