Possible BGP hijack

Beginning at 2019-12-26 06:23:22 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS205090 FIRST-SERVER-SPB-AS, CZ.

But beginning at 2019-12-26 06:23:22, the same prefix ( was also announced by ASN 41466.

This was detected by 161 BGPMon peers.

Start time: 2019-12-26 06:23:22 UTC
Expected prefix:
Expected ASN: 205090 (FIRST-SERVER-SPB-AS, CZ)
Event Details
Detected advertisement:
Detected Origin ASN 41466 (Serbia, SI)
Detected AS Path 138540 4775 9002 51765 41466
Detected by number of BGPMon peers: 161

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