Robtex

Up: 217.66.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.66.100.0/25
Down right: 217.66.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.66.100.2	PTR	host-2-100.emplot.net
217.66.100.11	PTR	host-11-100.emplot.net
217.66.100.56	A+PTR	mail.astrokot.kiev.ua
217.66.100.56	A	www.astrokot.kiev.ua
217.66.100.56	A	astrokot.kiev.ua
217.66.100.68	PTR	host-68-100.emplot.net
217.66.100.68	A	mail.devaro-s.com
217.66.100.68	A	mail.denislyubimov.com
217.66.100.96	PTR	host-96-100.emplot.net
217.66.100.118	PTR	host-118-100.emplot.net
217.66.100.118	A	suretech.solutions
217.66.100.118	A	mail.suretech.solutions
217.66.100.163	A+PTR	mail2.genstarbud.com
217.66.100.163	A	mail2.u-logistic.com
217.66.100.163	A	mail2.turbostar.com.ua
217.66.100.177	PTR	host-177-100.emplot.net
217.66.100.180	A	ukrainian-european-home-care.com
217.66.100.180	A	hotelpiano.com.ua