There are several regional versions of this game, NA, Steam (afaik separated server from NA, but still located at NA), Taiwan, Japanese, Korean, upcoming China, etc...
If you're in South East Asia, BDO Taiwan is the obvious choice due to lower ping. English patch is available, and no IP block.
Registration is straight forward, phone number is optional field, no need to fill.
Yea I thought I head someone said it gone 2 days ago. 
10 bucks still very affordable for the size of this game have to offer though.

nope its buy to play with cash shop in it. might need to spend few more money to get the essential pets, inventory slot and weight.

Not sure if TW got the premium pack (some buff which need to renew every months)

Pet: loot once every 10 seconds. So having more pet the better.
English Patch: https://emperial.sg/category/project-aeyko/, run the program and select your game directory, done/.

Try this setting on network adapter (packet size) see if it makes situation better.
This is a method recommended by certain BDO GM to rectify DC problem. A lot of people suffer DC while try to login character, it fixed 2 of my characters but one still cannot login without using VPN.

Command prompt (admin), get your internet interface name:



Change MTU value:



mtu=1500 if you want to set back to default.