Possible BGP hijack

Beginning at 2020-09-11 19:47:09 UTC, we detected a possible BGP hijack.

Prefix 2803:2a01:9801::/48, is normally announced by AS5 SYMBOLICS, US.

But beginning at 2020-09-11 19:47:09, the same prefix (2803:2a01:9801::/48) was also announced by ASN 27895.

This was detected by 50 BGPMon peers.

Expected
Start time: 2020-09-11 19:47:09 UTC
Expected prefix: 2803:2a01:9801::/48
Expected ASN: 5 (SYMBOLICS, US)
Event Details
Detected advertisement: 2803:2a01:9801::/48
Detected Origin ASN 27895 (Nucleo S.A., PY)
Detected AS Path 11071 6939 6762 10481 7303 27895
Detected by number of BGPMon peers: 50

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