Is it public IP OR not

I’m using SFP+ XGSPON on Mikrotik RB5006 and i got internet connection but it’s seams to me that I have a public IP but in Mikrotik i’m NOT
any command
thanks
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you have private IP and it’s being natted in the ISP router

Lots of (especially cheap) ISPs give a private IP because IPv4 addresses are getting scarce.
Use IPv6, there you get a large space of private IPs. Well, extremely cheap ISPs do not have IPv6, but these are not recommended.