Robtex

Up: 217.20.166.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.20.166.0/25
Down right: 217.20.166.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.20.166.2	A+PTR	xenb.wnet.ua
217.20.166.3	A+PTR	vpbx.wnet.ua
217.20.166.6	A+PTR	echo.wnet.ua
217.20.166.17	PTR	etc-gw.khmelnitskogo48.kv.wnet.ua
217.20.166.18	PTR	v1354.leo-sw.kv.wnet.ua
217.20.166.77	PTR	mail.opta.kiev.ua
217.20.166.77	A	opta.kiev.ua
217.20.166.94	A+PTR	ge1.colo1.kv.wnet.ua
217.20.166.94	A	novacard.com.ua
217.20.166.94	A	www.voip.ua
217.20.166.101	PTR	mail.itbi.com.ua
217.20.166.138	A	mail.arabenergyalliance.com
217.20.166.142	A+PTR	fe1-v51.cs1-united.kv.wnet.ua
217.20.166.145	A	pss-gw.cs0-nan.kv.wnet.ua
217.20.166.149	PTR	mail.pfl.com.ua
217.20.166.149	A	www.pfl.com.ua
217.20.166.149	A	mail.klikik.com
217.20.166.150	A+PTR	ge1.colo1.kv.wnet.ua
217.20.166.153	A	sip2.voip.ua
217.20.166.153	A	webphonia.com
217.20.166.177	PTR	velichko-177.colo0-sw.kv.wnet.ua
217.20.166.177	A	www.volle.kz
217.20.166.177	A	mail.igrushka.org.ua
217.20.166.178	A+PTR	velichko-178.colo0-sw.kv.wnet.ua
217.20.166.178	A	mail.firehost.com.ua
217.20.166.179	PTR	velichko-179.colo0-sw.kv.wnet.ua
217.20.166.179	A	global-textile.com.ua
217.20.166.181	A+PTR	velichko-181.colo0-sw.kv.wnet.ua
217.20.166.181	A	mail.arc.com.ua
217.20.166.181	A	mail.rondalgroup.com
217.20.166.185	PTR	pfl-gw.l9-sw.kv.wnet.ua
217.20.166.185	A	www.pfl.com.ua
217.20.166.185	A	pfl.ua
217.20.166.189	A+PTR	rss.colo1.kv.wnet.ua
217.20.166.190	A+PTR	ge1.colo1.kv.wnet.ua
217.20.166.211	PTR	english-club.tv
217.20.166.213	PTR	mail.english-club.tv
217.20.166.214	PTR	ectv-214.olegovska-sw.kv.wnet.ua
217.20.166.228	A	www.vkurse.od.ua
217.20.166.228	A	news.od.ua
217.20.166.228	A	www.allnews.od.ua
217.20.166.231	A	odessa.ua