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Tuesday 10 December 2013

Evil network: R5X.org / OVH

Russian web host R5X.org has featured on this blog a few times before, but I took the opportunity to look at it a little more closely. What I found wasn't nice.

Out of 300 domains that I found hosted now or recently in R5X.org's space (rented from OVH), 177 (59%) are flagged as malicious by Google, and 230 (77%) are flagged as spam or malware by SURBL. MyWOT ratings indicate that there are no legitimate sites in the IP address ranges I checked.

R5X.org doesn't have a network of its own but it rents IPs from OVH. I have identified several small netblocks which I strongly recommend that you block, although there may be others.

37.59.232.208/28
37.59.254.224/28
46.105.166.68/30
46.105.166.96/30
178.33.208.208/30
192.95.7.8/30
192.95.41.88/29
192.95.46.132/30
198.27.103.204/30
198.27.96.132/30

According to the WHOIS details, the blocks are suballocated to:

organisation:   ORG-RL152-RIPE
org-name:       R5X.org ltd
org-type:       OTHER
address:        Krasnoselskaja 15-219
address:        346579 Moscow
address:        RU
abuse-mailbox:  abuse@r5x.org
mnt-ref:        OVH-MNT
mnt-by:         OVH-MNT
source:         RIPE # Filtered


Last year when R5X.org was using Hetzner, there was a name Tomas Gailiavicius associated with R5X although I do not know if that was accurate.

A list of all the domains I can find, current IP addresses, MyWOT rating, the Google prognosis  and SURBL codes can be found here [csv] else I recommend using the following blocklist:

37.59.232.208/28
37.59.254.224/28
46.105.166.68/30
46.105.166.96/30
178.33.208.208/30
192.95.7.8/30
192.95.41.88/29
192.95.46.132/30
198.27.103.204/30
198.27.96.132/30
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