Possible BGP hijack

Beginning at 2021-12-30 12:04:31 UTC, we detected a possible BGP hijack.

Prefix 213.146.165.0/24, is normally announced by AS25952 AEAINVESTORS, US.

But beginning at 2021-12-30 12:04:31, the same prefix (213.146.165.0/24) was also announced by ASN 2856.

This was detected by 110 BGPMon peers.

Expected
Start time: 2021-12-30 12:04:31 UTC
Expected prefix: 213.146.165.0/24
Expected ASN: 25952 (AEAINVESTORS, US)
Event Details
Detected advertisement: 213.146.165.0/24
Detected Origin ASN 2856 (BT-UK-AS BTnet UK Regional network, GB)
Detected AS Path 52694 3549 5400 2856
Detected by number of BGPMon peers: 110

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