Possible BGP hijack

Beginning at 2019-10-25 08:55:02 UTC, we detected a possible BGP hijack.

Prefix 217.146.21.0/24, is normally announced by AS42473 AS-ANEXIA ANEXIA Internetdienstleistungs GmbH, AT.

But beginning at 2019-10-25 08:55:02, the same prefix (217.146.21.0/24) was also announced by ASN 8866.

This was detected by 20 BGPMon peers.

Expected
Start time: 2019-10-25 08:55:02 UTC
Expected prefix: 217.146.21.0/24
Expected ASN: 42473 (AS-ANEXIA ANEXIA Internetdienstleistungs GmbH, AT)
Event Details
Detected advertisement: 217.146.21.0/24
Detected Origin ASN 8866 (BTC-AS BULGARIA, BG)
Detected AS Path 271 6939 8866
Detected by number of BGPMon peers: 20

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