Robtex

Up: 145.255.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 145.255.12.0/23
Down right: 145.255.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
145.255.12.7	PTR	145.255.12.7.dynamic.slv.ufanet.ru
145.255.13.223	A	salinc.ru
145.255.14.12	PTR	145.255.14.12.dynamic.ufanet.ru
145.255.14.12	A	r1---sn-045oxu-045e.googlevideo.com
145.255.14.12	A	r1.sn-045oxu-045e.googlevideo.com
145.255.14.13	PTR	145.255.14.13.dynamic.ufanet.ru
145.255.14.13	A	r2---sn-045oxu-045e.googlevideo.com
145.255.14.14	PTR	145.255.14.14.dynamic.ufanet.ru
145.255.14.14	A	r3---sn-045oxu-045e.googlevideo.com
145.255.14.15	PTR	145.255.14.15.dynamic.ufanet.ru
145.255.14.16	PTR	145.255.14.16.dynamic.ufanet.ru
145.255.14.16	A	r5.sn-045oxu-045e.googlevideo.com
145.255.14.16	A	r5---sn-045oxu-045e.googlevideo.com
145.255.14.17	PTR	145.255.14.17.dynamic.ufanet.ru
145.255.14.17	A	r6---sn-045oxu-045e.googlevideo.com
145.255.14.18	PTR	145.255.14.18.dynamic.ufanet.ru
145.255.14.18	A	r7---sn-045oxu-045e.googlevideo.com
145.255.14.19	PTR	145.255.14.19.dynamic.ufanet.ru
145.255.14.29	PTR	145.255.14.29.dynamic.ufanet.ru
145.255.14.76	PTR	cache.google.com
145.255.14.76	A	r1.sn-045oxu-045l.googlevideo.com
145.255.14.76	A	r1---sn-045oxu-045l.googlevideo.com
145.255.14.77	PTR	cache.google.com
145.255.14.77	A	r2---sn-045oxu-045l.googlevideo.com
145.255.14.77	A	r2.sn-045oxu-045l.googlevideo.com
145.255.14.78	PTR	cache.google.com
145.255.14.79	PTR	cache.google.com
145.255.14.80	PTR	cache.google.com
145.255.14.81	PTR	cache.google.com
145.255.14.81	A	r6.sn-045oxu-045l.googlevideo.com
145.255.14.81	A	r6---sn-045oxu-045l.googlevideo.com
145.255.14.82	PTR	cache.google.com
145.255.14.83	PTR	cache.google.com
145.255.14.140	PTR	145.255.14.140.dynamic.ufanet.ru
145.255.14.140	A	r1---sn-045oxu-045s.googlevideo.com
145.255.14.141	PTR	145.255.14.141.dynamic.ufanet.ru
145.255.14.141	A	r2.sn-045oxu-045s.gvt1.com
145.255.14.141	A	r2.sn-045oxu-045s.googlevideo.com
145.255.14.142	PTR	145.255.14.142.dynamic.ufanet.ru
145.255.14.172	PTR	145.255.14.172.dynamic.ufanet.ru
145.255.14.172	A	r1---sn-045oxu-045z.googlevideo.com
145.255.14.172	A	r1.sn-045oxu-045z.googlevideo.com
145.255.14.173	PTR	145.255.14.173.dynamic.ufanet.ru
145.255.14.173	A	r2---sn-045oxu-045z.googlevideo.com
145.255.14.174	PTR	145.255.14.174.dynamic.ufanet.ru
145.255.14.174	A	r3---sn-045oxu-045z.googlevideo.com
145.255.14.204	PTR	145.255.14.204.dynamic.ufanet.ru
145.255.14.204	A	r1.sn-045oxu-0456.gvt1.com
145.255.14.204	A	r1.sn-045oxu-0456.googlevideo.com
145.255.14.205	PTR	145.255.14.205.dynamic.ufanet.ru
145.255.14.205	A	r2.sn-045oxu-0456.gvt1.com
145.255.14.205	A	r2.sn-045oxu-0456.googlevideo.com
145.255.14.206	PTR	145.255.14.206.dynamic.ufanet.ru