Possible BGP hijack

Beginning at 2021-10-13 08:57:36 UTC, we detected a possible BGP hijack.

Prefix 139.28.252.0/22, is normally announced by AS47485 STARNET-AS, LV.

But beginning at 2021-10-13 08:57:36, the same prefix (139.28.252.0/22) was also announced by ASN 212046.

This was detected by 16 BGPMon peers.

Expected
Start time: 2021-10-13 08:57:36 UTC
Expected prefix: 139.28.252.0/22
Expected ASN: 47485 (STARNET-AS, LV)
Event Details
Detected advertisement: 139.28.252.0/22
Detected Origin ASN 212046 (MEZON-, LT)
Detected AS Path 202365 206499 50629 13194 212046
Detected by number of BGPMon peers: 16

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