Possible BGP hijack

Beginning at 2020-08-27 16:15:37 UTC, we detected a possible BGP hijack.

Prefix 217.11.133.0/24, is normally announced by AS202006 ANETCONNECT, PL.

But beginning at 2020-08-27 16:15:37, the same prefix (217.11.133.0/24) was also announced by ASN 208732.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-08-27 16:15:37 UTC
Expected prefix: 217.11.133.0/24
Expected ASN: 202006 (ANETCONNECT, PL)
Event Details
Detected advertisement: 217.11.133.0/24
Detected Origin ASN 208732 (AIZON-AS, PL)
Detected AS Path 201953 201054 208732 208732 208732
Detected by number of BGPMon peers: 2

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