Possible BGP hijack

Beginning at 2022-04-13 13:40:31 UTC, we detected a possible BGP hijack.

Prefix 24.233.0.0/19, is normally announced by AS43072 THESTACK, HK.

But beginning at 2022-04-13 13:40:31, the same prefix (24.233.0.0/19) was also announced by ASN 38987.

This was detected by 7 BGPMon peers.

Expected
Start time: 2022-04-13 13:40:31 UTC
Expected prefix: 24.233.0.0/19
Expected ASN: 43072 (THESTACK, HK)
Event Details
Detected advertisement: 24.233.0.0/19
Detected Origin ASN 38987 (OST-AS, PL)
Detected AS Path 200155 39392 33891 20804 38987 38987 38987
Detected by number of BGPMon peers: 7

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