Robtex

Up: 217.148.204.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.148.205.0/25
Down right: 217.148.205.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.148.205.2	PTR	gldn.biz
217.148.205.2	A	sakhalinwifi.ru
217.148.205.18	PTR	ip.217-148-205-18.sakhalintelecom.ru.205.148.217.in-addr.arpa
217.148.205.21	A+PTR	relay.libsakh.ru
217.148.205.35	A+PTR	sfsrexedge01.sfera-co.ru
217.148.205.37	A+PTR	sfsrexedge02.sfera-co.ru
217.148.205.59	PTR	mail.sakhgu.ru
217.148.205.59	A	ns.sakhgu.ru
217.148.205.59	A	xn--80ag4bki.xn--p1ai
217.148.205.74	A+PTR	mail.binom.info