Possible BGP hijack

Beginning at 2020-09-22 11:12:58 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS48646 STEFAN6, DE.

But beginning at 2020-09-22 11:12:58, the same prefix ( was also announced by ASN 203125.

This was detected by 22 BGPMon peers.

Start time: 2020-09-22 11:12:58 UTC
Expected prefix:
Expected ASN: 48646 (STEFAN6, DE)
Event Details
Detected advertisement:
Detected Origin ASN 203125 (COREROUTE CoreRoute Switzerland, DE)
Detected AS Path 14613 6939 203125
Detected by number of BGPMon peers: 22

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