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Someone from codecs.name / 62.212.74.141 is trying to bruteforce this blog

I’m performing security audit to all my server as usual, and today I found someone from Leaseweb network, by using IP Address : 62.212.74.141, or by domain name : codecs.name is trying to bruteforce this blog.
Here is small part of the logs :

May 21 00:05:25 it sshd[32566]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:26 it sshd[32568]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:26 it sshd[32568]: Invalid user it from 62.212.74.141
May 21 00:05:26 it sshd[32568]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:26 it sshd[32568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:26 it sshd[32566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:26 it sshd[32570]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:26 it sshd[32572]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:26 it sshd[32572]: Invalid user erawanarifnugroho from 62.212.74.141
May 21 00:05:26 it sshd[32572]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:26 it sshd[32572]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:26 it sshd[32570]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:28 it sshd[32566]: Failed password for root from 62.212.74.141 port 51401 ssh2
May 21 00:05:28 it sshd[32574]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:28 it sshd[32576]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:28 it sshd[32576]: Invalid user com from 62.212.74.141
May 21 00:05:28 it sshd[32576]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:28 it sshd[32576]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:28 it sshd[32574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:28 it sshd[32578]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:28 it sshd[32578]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:28 it sshd[32568]: Failed password for invalid user it from 62.212.74.141 port 51402 ssh2
May 21 00:05:28 it sshd[32582]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:28 it sshd[32582]: Invalid user it from 62.212.74.141
May 21 00:05:28 it sshd[32582]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:28 it sshd[32582]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:29 it sshd[32572]: Failed password for invalid user erawanarifnugroho from 62.212.74.141 port 51431 ssh2
May 21 00:05:29 it sshd[32570]: Failed password for root from 62.212.74.141 port 51428 ssh2
May 21 00:05:29 it sshd[32584]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:29 it sshd[32584]: Invalid user erawanarifnugroho from 62.212.74.141
May 21 00:05:29 it sshd[32584]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:29 it sshd[32584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:29 it sshd[32586]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:29 it sshd[32586]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:30 it sshd[32576]: Failed password for invalid user com from 62.212.74.141 port 51722 ssh2
May 21 00:05:30 it sshd[32574]: Failed password for root from 62.212.74.141 port 51721 ssh2
May 21 00:05:30 it sshd[32578]: Failed password for root from 62.212.74.141 port 51726 ssh2
May 21 00:05:30 it sshd[32588]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:30 it sshd[32588]: Invalid user com from 62.212.74.141
May 21 00:05:30 it sshd[32588]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:30 it sshd[32588]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:30 it sshd[32590]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:30 it sshd[32590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:30 it sshd[32592]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:30 it sshd[32592]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:30 it sshd[32582]: Failed password for invalid user it from 62.212.74.141 port 51731 ssh2
May 21 00:05:31 it sshd[32594]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:31 it sshd[32594]: Invalid user it from 62.212.74.141
May 21 00:05:31 it sshd[32594]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:31 it sshd[32594]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:31 it sshd[32584]: Failed password for invalid user erawanarifnugroho from 62.212.74.141 port 51764 ssh2
May 21 00:05:31 it sshd[32586]: Failed password for root from 62.212.74.141 port 51776 ssh2
May 21 00:05:31 it sshd[32596]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:31 it sshd[32596]: Invalid user erawanarifnugroho from 62.212.74.141
May 21 00:05:31 it sshd[32596]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:31 it sshd[32596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:31 it sshd[32598]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:31 it sshd[32598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:32 it sshd[32588]: Failed password for invalid user com from 62.212.74.141 port 52054 ssh2
May 21 00:05:32 it sshd[32590]: Failed password for root from 62.212.74.141 port 52055 ssh2
May 21 00:05:32 it sshd[32592]: Failed password for root from 62.212.74.141 port 52061 ssh2
May 21 00:05:32 it sshd[32600]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:32 it sshd[32600]: Invalid user com from 62.212.74.141
May 21 00:05:32 it sshd[32600]: pam_unix(sshd:auth): check pass; user unknown
May 21 00:05:32 it sshd[32600]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141
May 21 00:05:32 it sshd[32602]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:32 it sshd[32602]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:32 it sshd[32604]: Address 62.212.74.141 maps to hosted-by.leaseweb.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
May 21 00:05:32 it sshd[32604]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.212.74.141  user=root
May 21 00:05:32 it sshd[32594]: Failed password for invalid user it from 62.212.74.141 port 52066 ssh2

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