SIP won't Register (1 binding )

I Created Asterisk on VPS .
some ip can register with server
some other not register and give me like this on wireshark

116515 2844.015784 SIP 565 Request: REGISTER (1 binding)

Which address is which? What appears in the Asterisk full log with verbosity at least 5?

1 binding is the normal situation.

No thing upper like softphone is never connect to my server and on tcpdump no packet come from my ip