This is the person who runs the DIY HRT directory: https://diyhrt.wiki/
Name: Huai Ze Dong
Address: 9619 174 St NW Unit 409, Edmonton, Alberta, Canada T5T 6C6
Phone: 6044421657
He has gone by the name "Colin Dong" in the past. This is an alias.

Undeniable proof this is him:
I was looking around at videos about him and found this one: https://www.youtube.com/watch?v=3ew9hXgpwCY
https://archive.ph/aHSsr
The only commentor for this video is Bob Smith. A known alias of Bobposting.
https://prnt.sc/0yzjcbvXvEB4
This took me to https://www.youtube.com/c/BobSmith911. I decided to check his social blade and found out that he recently changed his custom url from "theawesomepickleguy" to "BobSmith911"
https://archive.ph/TPIYP
https://archive.ph/WXH0U
From here I searched up "theawesomepickleguy" on a DB and found the email donghuaize@gmail.com. They live in Canada just like we know Bobposting does.
https://prnt.sc/2n_12_oLpjM_
I then searched up donghuaize@gmail.com and found this:
https://prnt.sc/T0SGPzeSA6SN
The property here has not been recently sold.
Here is proof that the person in question is undeniably Bobposting:
https://prnt.sc/DOR6NEPFELiJ
The email in question has signed up with the name and username "Bob Smith".
bobsmith_the3rd is one of his minecraft usernames:
https://prnt.sc/8ZmDZbB_8Dzq
Here are tweets from people who know Bobposting confirming his surname:
https://prnt.sc/V-xvPja9Orb_
https://archive.ph/uUs9g
Edmonton: 
https://prnt.sc/EOjX7zSGxI3p
https://archive.ph/z4Kbu
It's already known that he is Asian:
https://prnt.sc/DwR5v_Qtrmoq
https://prnt.sc/K2fkr1q52hGL
https://archive.ph/Cdb7z