Possible BGP hijack

Beginning at 2020-08-03 06:14:39 UTC, we detected a possible BGP hijack.

Prefix 83.143.105.0/24, is normally announced by AS20853 ETOP-AS, PL.

But beginning at 2020-08-03 06:14:39, the same prefix (83.143.105.0/24) was also announced by ASN 44774.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-08-03 06:14:39 UTC
Expected prefix: 83.143.105.0/24
Expected ASN: 20853 (ETOP-AS, PL)
Event Details
Detected advertisement: 83.143.105.0/24
Detected Origin ASN 44774 (Unknown)
Detected AS Path 36692 3257 1299 20485 48347 44774
Detected by number of BGPMon peers: 2

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