Possible BGP hijack

Beginning at 2020-01-03 16:00:28 UTC, we detected a possible BGP hijack.

Prefix 2001:12c4::/32, is normally announced by AS28262 INTERNEXO LTDA., BR.

But beginning at 2020-01-03 16:00:28, the same prefix (2001:12c4::/32) was also announced by ASN 37468.

This was detected by 47 BGPMon peers.

Start time: 2020-01-03 16:00:28 UTC
Expected prefix: 2001:12c4::/32
Expected ASN: 28262 (INTERNEXO LTDA., BR)
Event Details
Detected advertisement: 2001:12c4::/32
Detected Origin ASN 37468 (ANGOLA-CABLES, AO)
Detected AS Path 16409 6939 27693 37468
Detected by number of BGPMon peers: 47

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