What is Number phone 021 30001111 And 2129187000?

I have a question is Number phone 021 30001111 And 2129187000.
– Who is the owner of the phone number.. Why do they call me constantly at 2022-12-01 17:44:04

Can someone tell me what to do with 021 30001111 And 2129187000 ?

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Recent, Discussion at 2022-12-01 17:44:04 by anonymous : missed call alert