Possible BGP hijack

Beginning at 2019-10-04 11:03:23 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS43948 GLESYS-AS, SE.

But beginning at 2019-10-04 11:03:23, the same prefix ( was also announced by ASN 51956.

This was detected by 145 BGPMon peers.

Start time: 2019-10-04 11:03:23 UTC
Expected prefix:
Expected ASN: 43948 (GLESYS-AS, SE)
Event Details
Detected advertisement:
Detected Origin ASN 51956 (Unknown)
Detected AS Path 11170 6939 42708 51956
Detected by number of BGPMon peers: 145

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