Robtex

Up: 81.90.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.90.208.0/22
Down right: 81.90.212.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.90.208.2	A	as.hypernet.ru
81.90.208.3	A+PTR	ns.hypernet.ru
81.90.208.3	A	xn--c1aeak9ahhj4g.xn--p1ai
81.90.208.3	A	ns.33px.ru
81.90.208.4	PTR	dns2.hpn.su
81.90.208.12	A	planetaozer.ru
81.90.208.12	A	www.planetaozer.ru
81.90.208.12	A	e-power.ru
81.90.208.202	PTR	gw-online.hypernet.ru
81.90.208.246	A+PTR	mail.telematics.ru
81.90.208.246	A	ns4.telematics.ru
81.90.208.246	A	ns1.telematics.ru
81.90.210.131	PTR	speedtest.hypernet.ru
81.90.210.131	A	photostudy.ru
81.90.210.131	A	uraural.info
81.90.210.136	PTR	greatural.ru
81.90.210.136	A	ns.chelphoto.ru
81.90.210.136	A	ns1.chelphoto.ru
81.90.210.138	PTR	svc1.hypernet.ru
81.90.210.142	PTR	svc3.hypernet.ru
81.90.210.243	A+PTR	srv3.valhalla-age.ru
81.90.210.245	A	srv5.valhalla-age.ru
81.90.211.62	A	mail.yagemir.ru
81.90.211.74	A	ns.gemir.ru
81.90.211.74	A	mail.gemir.ru
81.90.211.74	A	srv.gemir.ru
81.90.212.250	PTR	prof-vent.ru
81.90.213.190	A	chelget.ru
81.90.213.227	A	www.sonnik.ru
81.90.213.229	A	www.sonnik.ru
81.90.214.126	PTR	ex.lanitural.ru
81.90.214.126	A	mail.lanitural.ru
81.90.214.126	A	mylanitural.ru
81.90.214.138	PTR	gw-tst.hypernet.ru
81.90.214.218	PTR	ns3.74mail.ru
81.90.215.78	A	81-90-215-78.hypernet.ru
81.90.215.99	A+PTR	81-90-215-99.hypernet.ru
81.90.215.147	A+PTR	81-90-215-147.hypernet.ru
81.90.215.150	A	81-90-215-150.hypernet.ru
81.90.215.160	A+PTR	81-90-215-160.hypernet.ru
81.90.215.176	A+PTR	81-90-215-176.hypernet.ru
81.90.215.204	A	81-90-215-204.hypernet.ru