Robtex

Up: 145.255.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 145.255.1.0/25
Down right: 145.255.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
145.255.1.14	PTR	145.255.1.14.dynamic.ufanet.ru
145.255.1.19	PTR	145.255.1.19.dynamic.ufanet.ru
145.255.1.51	PTR	145.255.1.51.dynamic.ufanet.ru
145.255.1.70	A	mail.mantisbt.tk
145.255.1.70	A	mail.bugtracker.tk
145.255.1.70	A	forexg.tk
145.255.1.71	PTR	145.255.1.71.dynamic.ufanet.ru
145.255.1.78	PTR	145.255.1.78.dynamic.ufanet.ru
145.255.1.115	PTR	145.255.1.115.dynamic.ufanet.ru
145.255.1.126	PTR	145.255.1.126.dynamic.ufanet.ru
145.255.1.126	A	storebix.ru
145.255.1.128	PTR	145.255.1.128.dynamic.ufanet.ru
145.255.1.132	PTR	145.255.1.132.dynamic.ufanet.ru
145.255.1.163	PTR	145.255.1.163.dynamic.ufanet.ru
145.255.1.166	PTR	145.255.1.166.dynamic.ufanet.ru
145.255.1.182	PTR	145.255.1.182.dynamic.ufanet.ru
145.255.1.215	PTR	145.255.1.215.dynamic.ufanet.ru
145.255.1.217	PTR	145.255.1.217.dynamic.ufanet.ru
145.255.1.231	PTR	145.255.1.231.dynamic.ufanet.ru