Hi Valery,
Nothing personal against any country in particular but some countries do have a habit of allowing people access to whole 255.255.255.0 ranges or bigger and being very slow to act when those ranges are abused
as to hackers, Russian or otherwise is irrelevant (real hackers would be using bounce services from Romania, VietNam or other country's anyway - just saying), its the bored kiddie scripter's that do more damage to services like Hobbes especially as it has free access to upload files. ISP's have driven down the price of access that they themselves often are no longer interested in abuse reports unless it affects them, which is why so many people block entire ranges, even the entire ranges of one ISP (OVH France was a regular early 2010's).
Policing the upload directory at Hobbes takes time and is dependent on volunteers as there is only one person at nmsu.edu that looks after it, and it is but one of many things on his plate.
I've blacklisted ranges of IP's in Eastern bloc countries in the past but I have also blacklisted ranges from USA, France, Canada, China, Malaysia, Italy, Germany, Seychelles etc. ISP's with new staff are often either far to 'innocent', or the ISP's are happy to take the money while they can get away with it. USA is the largest representive country in my email RBL's at present as they "do not take heed of spam reports unless they are from customers" Amazon are the worse with moving reporting goalposts, followed by sendgrid.net with allowing spammers easy access and claiming that I need to complain to MY upstream ISP, not to them. Both of those companies use ranges scattered all over the place, and are happy to move customers around. Even Microsoft and Google are now only concerned about abuse if it affects their customers, unless it is something large scale that might attract media attention.
It is the resources needed to police services and maintain adherence to a countries laws that so many different 'free' services have given up as it gives no return on effort. I do not want to see Hobbes go in the same direction.
I will see if it is easy to get an IP banned list from hobbes and what we can do to address any access problems to do with those banned IP's. Not promising anything as I'm not Hobbes but if I offer to do the work for them it maybe more likely to happen. I can see what IP address that you and others are posting from so that gives me something to use in checking if I can get access to the list.
The Hobbes server is a different machine to nmsu.edu.