Possible BGP hijack

Beginning at 2020-01-03 10:02:56 UTC, we detected a possible BGP hijack.

Prefix 2804:507c::/32, is normally announced by AS268392 Hagalink Telecomunicacoes Ltda - Me, BR.

But beginning at 2020-01-03 10:02:56, the same prefix (2804:507c::/32) was also announced by ASN 37468.

This was detected by 7 BGPMon peers.

Expected
Start time: 2020-01-03 10:02:56 UTC
Expected prefix: 2804:507c::/32
Expected ASN: 268392 (Hagalink Telecomunicacoes Ltda - Me, BR)
Event Details
Detected advertisement: 2804:507c::/32
Detected Origin ASN 37468 (ANGOLA-CABLES, AO)
Detected AS Path 293 2914 262732 262732 262732 37468
Detected by number of BGPMon peers: 7

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