Possible BGP hijack

Beginning at 2022-12-02 20:24:24 UTC, we detected a possible BGP hijack.

Prefix 161.170.123.0/24, is normally announced by AS49641 ALFACOM-AS, RU.

But beginning at 2022-12-02 20:24:24, the same prefix (161.170.123.0/24) was also announced by ASN 2147483647.

This was detected by 6 BGPMon peers.

Expected
Start time: 2022-12-02 20:24:24 UTC
Expected prefix: 161.170.123.0/24
Expected ASN: 49641 (ALFACOM-AS, RU)
Event Details
Detected advertisement: 161.170.123.0/24
Detected Origin ASN 2147483647 ()
Detected AS Path 28300 52873 12956 701 46313 4259907237
Detected by number of BGPMon peers: 6

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