Robtex

Up: 80.64.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 80.64.160.0/22
Down right: 80.64.164.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.64.160.1	A	l-cat02-jun17.kuz.sibset.net
80.64.160.89	PTR	l-jun4-jun200.kuz.sibset.net
80.64.161.1	PTR	1.161.64.80.sta.211.ru
80.64.161.4	PTR	4.161.64.80.sta.211.ru
80.64.161.203	PTR	203.161.64.80.sta.211.ru
80.64.161.240	PTR	240.161.64.80.sta.211.ru
80.64.162.41	PTR	41.162.64.80.sta.211.ru
80.64.162.178	PTR	178.162.64.80.sta.211.ru
80.64.163.22	A	bl.kuz.ru
80.64.163.137	PTR	137.163.64.80.sta.211.ru
80.64.164.2	PTR	2.164.64.80.sta.211.ru
80.64.164.153	PTR	153.164.64.80.sta.211.ru
80.64.164.154	A+PTR	fintechn.ru
80.64.164.154	A	postmaster.fintechn.ru
80.64.164.154	A	mft.fintechn.ru
80.64.164.161	PTR	161.164.64.80.sta.211.ru
80.64.164.161	A	mx2.ktk.rdtc.ru
80.64.165.121	PTR	121.165.64.80.sta.211.ru
80.64.166.4	PTR	4.166.64.80.sta.211.ru
80.64.166.12	A	itprofit.su
80.64.166.234	PTR	gisnk.ru
80.64.166.234	PTR	zimbra.gisnk.ru