Robtex

Up: 85.91.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 85.91.100.0/23
Down right: 85.91.102.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.91.100.10	PTR	010-dlp.megaline.ru
85.91.100.13	PTR	013-dlp.megaline.ru
85.91.101.2	PTR	mx1.rubatech.ru
85.91.101.85	A+PTR	gw.gradient-alpha.ru
85.91.101.85	A	gradient-alpha.ru
85.91.101.242	A+PTR	mail.konfi.ru
85.91.102.9	PTR	mail.ra-it.ru
85.91.102.122	A	ns.cinemateka.ru
85.91.102.154	PTR	mx.avtoclub.ru
85.91.102.166	A+PTR	mail2.centertepla.ru
85.91.102.166	A	ns.sistema-tepla.ru
85.91.102.166	A	mail2.sistema-tepla.ru
85.91.102.182	A+PTR	mail3.wizard.ru
85.91.102.226	A+PTR	mail.ruschoc.ru
85.91.102.226	A	*.ruschoc.ru
85.91.103.58	PTR	mx1.spkbsu.ru
85.91.103.58	A	spkbsu.ru
85.91.103.90	PTR	mail.ital-on.ru
85.91.103.250	A	exchange.aushakov.com