fvds.ru spammed me, so I researched them. A good portion of their IPs are in the range of 62.109.24.0/24 but there are others. They use a wide variety of names.
Observation:
t-testing.fvds.ru host lookup 62.109.2.78 is bogus. Research revealed 62.109.24.26 and 62.109.24.27.
Research:
tinchurin.fvds.ru 62.109.16.78
info2.fvds.ru 62.109.18.75
dap.fvds.ru 62.109.24.110
zwrk018.fvds.ru 62.109.24.115
esesovets.fvds.ru 62.109.24.132
ensore.fvds.ru 62.109.24.14
camedia.fvds.ru 62.109.24.145
a777825.fvds.ru 62.109.24.157
move.fvds.ru 62.109.24.20
izhirnoff.fvds.ru 62.109.24.215
pool-62.109.24.0.fvds.ru 62.109.24.218
app777.fvds.ru 62.109.24.236
darthspacker.fvds.ru 62.109.24.249
motorspb4.fvds.ru 62.109.24.30
admin15.fvds.ru 62.109.24.35
cyberilya32.fvds.ru 62.109.24.53
merchdist.fvds.ru 62.109.24.61
aachibilyaevyandex.ru.fvds.ru 62.109.24.82
realmyst1.fvds.ru 62.109.24.95
nkryptor.fvds.ru 62.109.29.208
dimys12373.fvds.ru 62.109.31.36
frederick.fvds.ru 62.109.31.91
Mgi.fvds.ru 78.24.219.148
Fvds.ru 78.24.219.165
fakeyoudeadxtv.fvds.ru 78.24.221.1
MMM5.FVDS.RU 82.146.33.242
alosvlad.fvds.ru 82.146.34.229
voloshenko.ilya.fvds.ru 82.146.36.96
exiex.fvds.ru 82.146.38.254
leonid.fvds.ru 91.240.85.23
fdvcxvcxv.fvds.ru 92.63.98.50
gleveadamf1.fvds.ru 149.154.64.167
andrey.semenec.fvds.ru 149.154.64.43
sanny.fvds.ru 149.154.65.118
auskov07.fvds.ru 149.154.71.93
motorspb.fvds.ru 188.120.227.211
Ss77.fvds.ru 188.120.228.106
pets-tree.fvds.ru 188.120.236.247
extro.fvds.ru 188.120.239.172
vneo.fvds.ru 188.120.241.98
newbiearbitrage.fvds.ru 188.120.244.211
cholden.fvds.ru 212.109.192.31
infernolan.fvds.ru 212.109.218.139
abuzeman.fvds.ru 212.109.219.118
info16.fvds.ru 213.159.209.91