Possible BGP hijack

Beginning at 2021-03-12 16:59:53 UTC, we detected a possible BGP hijack.

Prefix 2804:2a88::/48, is normally announced by AS264077 T. COSTA GUIMARAES-ME, BR.

But beginning at 2021-03-12 16:59:53, the same prefix (2804:2a88::/48) was also announced by ASN 33182.

This was detected by 25 BGPMon peers.

Start time: 2021-03-12 16:59:53 UTC
Expected prefix: 2804:2a88::/48
Expected ASN: 264077 (T. COSTA GUIMARAES-ME, BR)
Event Details
Detected advertisement: 2804:2a88::/48
Detected Origin ASN 33182 (DIMENOC, US)
Detected AS Path 8283 38930 1299 3356 33182
Detected by number of BGPMon peers: 25

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