To use services such as the BKNIX NTP server, RPKI server, etc. without going through a transit provider, you should peer with the BKNIX Services AS, 63528
When you have made your arrangements with the BKNIX administrative process, you should have been given credentials to access your account on the BKNIX IXP-Manager with your registered email. Here is the Documentation for IXP-Manager
When your network have reachability to BKNIX peering LAN, you can configure your router to peer with the BKNIX Route Servers.
Announcing your prefixes to the BKNIX Route Servers
Register in the IRR(Mandatory)
Peers filter using the Internet Routing Registries or the RPKI. To register in the IRR, you need to choose which IRR instance to use and then register there. Here are a few of the more common alternatives.
For cryptographically secure resource validation, you should register in the Resource Public Key Infrastructure. You need to use the registry from which you acquired your address space; for Thai address holders, this is usually APNIC