The host at this IP address is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
RaccoonStealer botnet controller located at 104.21.68.139 on port 80 (using HTTP GET):
hXXp://teletele.top/jdiamond13
$ dig +short teletele.top
104.21.68.139
Referencing malware binaries (MD5 hash):
3812d9bb5e5095c90111774e35ea661e — AV detection: 25 / 68 (36.76)
7bf1a9ce32851c40625730a89f1b32a3 — AV detection: 49 / 69 (71.01)