Possible BGP hijack

Beginning at 2021-10-13 08:57:33 UTC, we detected a possible BGP hijack.

Prefix 178.248.136.0/21, is normally announced by AS204595 UP, EE.

But beginning at 2021-10-13 08:57:33, the same prefix (178.248.136.0/21) was also announced by ASN 212046.

This was detected by 5 BGPMon peers.

Expected
Start time: 2021-10-13 08:57:33 UTC
Expected prefix: 178.248.136.0/21
Expected ASN: 204595 (UP, EE)
Event Details
Detected advertisement: 178.248.136.0/21
Detected Origin ASN 212046 (MEZON-, LT)
Detected AS Path 28329 13786 13194 212046
Detected by number of BGPMon peers: 5

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