Robtex

Up: 80.64.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.64.168.0/23
Down right: 80.64.170.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.64.168.0	A+PTR	80.64.168.0.sta.211.ru
80.64.168.4	PTR	80.64.168.4.sta.211.ru
80.64.168.26	A+PTR	80.64.168.26.sta.211.ru
80.64.168.95	PTR	80.64.168.95.sta.211.ru
80.64.168.137	PTR	80.64.168.137.sta.211.ru
80.64.168.205	PTR	80.64.168.205.sta.211.ru
80.64.168.214	PTR	80.64.168.214.sta.211.ru
80.64.168.214	A	brgate.bacup.ru
80.64.168.217	A+PTR	80.64.168.217.sta.211.ru
80.64.168.217	A	mx.kave.ru
80.64.169.20	A+PTR	80.64.169.20.sta.211.ru
80.64.169.22	A+PTR	80.64.169.22.sta.211.ru
80.64.169.38	A+PTR	80.64.169.38.sta.211.ru
80.64.169.66	A+PTR	80.64.169.66.sta.211.ru
80.64.169.89	PTR	evrograd.su
80.64.169.93	A+PTR	80.64.169.93.sta.211.ru
80.64.169.93	A	bazhov.libnsk.su
80.64.169.97	A+PTR	80.64.169.97.sta.211.ru
80.64.169.110	PTR	80.64.169.110.sta.211.ru
80.64.169.121	A+PTR	80.64.169.121.sta.211.ru
80.64.169.136	A+PTR	80.64.169.136.sta.211.ru
80.64.169.140	PTR	80.64.169.140.sta.211.ru
80.64.169.153	A+PTR	80.64.169.153.sta.211.ru
80.64.169.155	A+PTR	80.64.169.155.sta.211.ru
80.64.169.167	A+PTR	80.64.169.167.sta.211.ru
80.64.169.170	PTR	80.64.169.170.sta.211.ru
80.64.169.170	A	artorlove.ru
80.64.169.170	A	atrap.ru
80.64.169.172	A+PTR	80.64.169.172.sta.211.ru
80.64.169.180	A+PTR	80.64.169.180.sta.211.ru
80.64.169.190	PTR	80.64.169.190.sta.211.ru
80.64.169.195	A+PTR	80.64.169.195.sta.211.ru
80.64.169.218	A+PTR	80.64.169.218.sta.211.ru
80.64.169.233	A+PTR	ss.myskp.ru
80.64.169.233	A	remont-komputerov-nsk.ru
80.64.169.233	A	fastithelp.ru
80.64.169.240	PTR	80.64.169.240.sta.211.ru
80.64.169.242	A+PTR	80.64.169.242.sta.211.ru
80.64.169.243	A+PTR	80.64.169.243.sta.211.ru
80.64.169.249	A+PTR	80.64.169.249.sta.211.ru
80.64.170.36	PTR	80.64.170.36.sta.211.ru
80.64.170.36	A	ukv.su
80.64.170.70	PTR	mx2.alensio.ru
80.64.170.70	A	mx.alensio.ru
80.64.170.80	PTR	80.64.170.80.sta.211.ru
80.64.170.108	A	80.64.170.108.sta.211.ru
80.64.170.109	A	alexio1979.info
80.64.170.139	PTR	80.64.170.139.sta.211.ru
80.64.170.139	A	h1.dqu.su
80.64.170.161	A+PTR	80.64.170.161.sta.211.ru
80.64.170.186	A	mfit-online.com
80.64.170.188	PTR	80.64.170.188.sta.211.ru
80.64.170.188	A	clearwebs.ru
80.64.170.243	PTR	80.64.170.243.sta.211.ru
80.64.171.13	PTR	sibprofil.ru
80.64.171.27	A+PTR	80.64.171.27.sta.211.ru
80.64.171.60	A+PTR	80.64.171.60.sta.211.ru
80.64.171.60	A	mail1.voir.ru
80.64.171.77	A	80.64.171.77.sta.211.ru
80.64.171.148	PTR	80.64.171.148.sta.211.ru
80.64.171.183	PTR	80.64.171.183.sta.211.ru
80.64.171.194	PTR	80.64.171.194.sta.211.ru
80.64.171.194	A	internet-igrushki.ru