Noticed a few bots attempting to get into root on my test server, installed fail2ban set minimum ban time to 2 years and the result has surprised even me.

Chain fail2ban-SSH (1 references)
target     prot opt source               destination         
REJECT     all  --  182.100.67.112       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  212-129-8-87.ggsmarket.net  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.168       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.148       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.213.254       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.140       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  182.100.67.102       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  218.87.111.117       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.204.241       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  59.63.192.198        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.90        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.120       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.30       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.187       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.146       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  222.186.21.240       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.165       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.240      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.211.166       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.131       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  117.21.174.111       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  60.173.26.8          anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.153       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.199.195       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.142       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.123       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.116       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.149       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.191.147       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.29       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.152       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  182.100.67.113       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.191       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.199.49        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.161       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  182.100.67.114       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.213.212       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.92        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  218.16.129.142       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.189       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.135.83.115        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  93.174.93.45         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.183       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.147       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  222.186.21.209       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  218.87.111.108       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.118       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  176.120.203.235      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  187-49-199-157.outcenter.com.br  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.16.12         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.100.13        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  212.76.143.7         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.112.136       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  134.255.162.88       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.121       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  61.143.236.193       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.133       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.211.190       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.145       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.159       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.169       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  61.160.222.76        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.93        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.115       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.160.237      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.216.192      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.154       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.138       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  222.186.21.217       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.57.117        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.102.111       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.60.194        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  mx.vertical.ru       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  187.111.53.86        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  134.255.160.154      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.98.71         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  187.84.178.56        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  94.97.44.63          anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.250.46       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  195.208.163.250      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  185.11.226.231       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  92-223-223-162.ip275.fastwebnet.it  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.144       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.201.22        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  177.223.103.9        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  159.20.216.123       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  host134-73-static.15-188-b.business.telecomitalia.it  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.162       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.28       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.203.3.117        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  222.186.21.251       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.150       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.213.230       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.156       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.160.222      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  179.189.82.5         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  5.133.62.70          anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  81.195.177.138       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.254      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.125       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.98       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.160       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  187-51-139-5.customer.tdatabrasil.net.br  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  61.160.215.103       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.126       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  92.155-73-188.telenet.ru  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.185       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.27       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.89.90         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.11.210        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  ip-176-192-111-91.bb.netbynet.ru  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.97.165        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  Serrana--186-219-133-22.srt.net.br  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  147.4.161.222.adsl-pool.jlccptt.net.cn  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.198.72       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.246.66       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  134.255.172.92       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.52.231        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  62-76-40-216.clodo.ru  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  178.132.32.9         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.31.167        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.200.101      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  222.186.51.228       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.228.73       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  93.174.135.241       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.73.255        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.190       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.113.93        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.102.40        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  broadband-37-110-134-54.nationalcablenetworks.ru  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  91-228-230-228.in-linetelecom.ru  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.138.59       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.28.197        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  bb15c8e6.virtua.com.br  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  84.16.157.69         anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.111.69        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  221.229.166.16       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.236.24.147       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.88.254        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.63.120.60        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  187.54.115.194       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  13.104.109.187.dynamic.ampernet.com.br  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.141       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  200.179.231.121      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.154.50       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  109.161.192.236      anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  58.218.204.226       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.143       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  222.186.58.131       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.182       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.166       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  195-154-56-58.ggsmarket.net  anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.151       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  61.160.213.190       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.117       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  218.87.111.109       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  61.160.212.27        anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.124       anywhere            reject-with icmp-port-unreachable 
REJECT     all  --  43.255.190.175       anywhere            reject-with icmp-port-unreachable