The host at this IP address is obviously operated by cybercriminals. It is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
Malware botnet controller located at 52.142.161.88 on port 1285 TCP:
$ telnet 52.142.161.88 1285
Trying 52.142.161.88…
Connected to 52.142.161.88.
Escape character is ‘^]’
Referencing malware samples:
MD5 c1f1b06e01b59370aa4380f4414f9910