Possible BGP hijack

Beginning at 2019-06-08 11:10:48 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS203839 ALPHA, NO.

But beginning at 2019-06-08 11:10:48, the same prefix ( was also announced by ASN 51747.

This was detected by 180 BGPMon peers.

Start time: 2019-06-08 11:10:48 UTC
Expected prefix:
Expected ASN: 203839 (ALPHA, NO)
Event Details
Detected advertisement:
Detected Origin ASN 51747 (INTERNETBOLAGET, SE)
Detected AS Path 53281 3356 12552 51747
Detected by number of BGPMon peers: 180

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