Possible BGP hijack

Beginning at 2024-02-06 09:26:32 UTC, we detected a possible BGP hijack.

Prefix 2801:80:3200::/48, is normally announced by AS61572 CONTROLADORIA-GERAL DA UNIAO, BR.

But beginning at 2024-02-06 09:26:32, the same prefix (2801:80:3200::/48) was also announced by ASN 0.

This was detected by 2 BGPMon peers.

Expected
Start time: 2024-02-06 09:26:32 UTC
Expected prefix: 2801:80:3200::/48
Expected ASN: 61572 (CONTROLADORIA-GERAL DA UNIAO, BR)
Event Details
Detected advertisement: 2801:80:3200::/48
Detected Origin ASN 0 ()
Detected AS Path 31463 13009 6939 3356 4230 61572
Detected by number of BGPMon peers: 2

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