Possible BGP hijack

Beginning at 2019-12-02 18:12:46 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS397983 --No Registry Entry--.

But beginning at 2019-12-02 18:12:46, the same prefix ( was also announced by ASN 47254.

This was detected by 106 BGPMon peers.

Start time: 2019-12-02 18:12:46 UTC
Expected prefix:
Expected ASN: 397983 (--No Registry Entry--)
Event Details
Detected advertisement:
Detected Origin ASN 47254 (UDN-CORE, NL)
Detected AS Path 3741 2914 47254
Detected by number of BGPMon peers: 106

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