Robtex

Up: 80.250.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 80.250.232.0/22
Down right: 80.250.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.250.232.16	PTR	hobbit.zerich.ru
80.250.232.34	A	ns2.russ-investbroker.ru
80.250.232.34	A	ns2.russ-invest.com
80.250.232.34	A	xn----dtbjkzphafkc.xn--p1ai
80.250.232.61	PTR	maczone.ru
80.250.232.61	A	mail.multipass.ru
80.250.232.73	A+PTR	bb99.ru
80.250.232.184	A+PTR	easterfestival.ru
80.250.232.184	A	mail.easterfestival.ru
80.250.233.34	A+PTR	mail.brterminal.com
80.250.233.86	A	mx2.zeusclub.ru
80.250.233.92	PTR	mail.presentexpo.ru
80.250.233.165	A	ns3.zz1.ru
80.250.233.178	A	mail02.technologyd.com
80.250.233.179	A	mx1.palitra.ru
80.250.233.253	PTR	workflow.rcinema.ru
80.250.234.1	PTR	compat-core.complat.ru
80.250.234.139	PTR	mail.h2a.ru
80.250.234.148	A+PTR	mx10.ost-med.ru
80.250.235.19	PTR	mx0.quinta.ru
80.250.235.209	PTR	mail.t-art.ru
80.250.236.115	PTR	mail.veres-k.ru
80.250.236.136	PTR	online.hbru.ru
80.250.236.136	A	hellenicnetbanking.ru
80.250.236.148	A	mail.sharesoft.ru
80.250.237.22	PTR	mx0.xdom.ru
80.250.237.22	A	mx0.doorsmarket.ru
80.250.237.22	A	mx0.central-eurasia.com
80.250.237.83	A	mx.salomons.ru
80.250.237.253	A	www.tsw.ru
80.250.237.253	A	www.oip.ru
80.250.238.14	PTR	mail.cnse.ru
80.250.238.14	A	cnse.ru
80.250.238.30	A+PTR	mail.its4you.su
80.250.238.30	A	techit.su
80.250.238.30	A	mail.techit.su
80.250.238.33	A	mail.youaskit.ru
80.250.238.33	A	mail.youask.su
80.250.238.33	A	post.its4you.su
80.250.238.40	PTR	newdent.ru
80.250.238.40	A	newdent.biz
80.250.238.40	A	teamwork-media.ru
80.250.238.163	A+PTR	mail.avietka-ltd.com
80.250.238.163	A	mail.cdi-msk.ru
80.250.239.59	A	qcp-mx3.quinta-cp.ru
80.250.239.116	A	mail2.youngevity.ru
80.250.239.117	PTR	mail.reklama-v-dom.ru