Robtex

Up: 46.8.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 46.8.39.0/25
Down right: 46.8.39.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.8.39.42	A	mail.regiongs.ru
46.8.39.42	A	mail.stroiserv.ru
46.8.39.42	A	mail.spetcserv.ru
46.8.39.50	A+PTR	mail.hotelinside.ru
46.8.39.123	A+PTR	mx.renolit.ru
46.8.39.174	A+PTR	mail2.best-krepeg.ru
46.8.39.178	A+PTR	ma.quadrotel.ru
46.8.39.178	A	quadrotel.ru
46.8.39.194	A+PTR	mx2.c-tt.ru
46.8.39.194	A	mx.ctexpert.ru
46.8.39.194	A	mail.c-tt.ru