Possible BGP hijack

Beginning at 2021-12-20 13:57:51 UTC, we detected a possible BGP hijack.

Prefix 139.138.249.0/24, is normally announced by AS394977 T2EE-AS1, US.

But beginning at 2021-12-20 13:57:51, the same prefix (139.138.249.0/24) was also announced by ASN 43608.

This was detected by 14 BGPMon peers.

Expected
Start time: 2021-12-20 13:57:51 UTC
Expected prefix: 139.138.249.0/24
Expected ASN: 394977 (T2EE-AS1, US)
Event Details
Detected advertisement: 139.138.249.0/24
Detected Origin ASN 43608 (IT011-AS, RS)
Detected AS Path 29430 13030 31042 43608
Detected by number of BGPMon peers: 14

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