Possible BGP hijack

Beginning at 2021-03-05 06:21:47 UTC, we detected a possible BGP hijack.

Prefix 154.46.43.0/24, is normally announced by AS174 COGENT-174, US.

But beginning at 2021-03-05 06:21:47, the same prefix (154.46.43.0/24) was also announced by ASN 211808.

This was detected by 57 BGPMon peers.

Expected
Start time: 2021-03-05 06:21:47 UTC
Expected prefix: 154.46.43.0/24
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 154.46.43.0/24
Detected Origin ASN 211808 (FIBROTEL, ES)
Detected AS Path 27553 6939 29119 31577 211808
Detected by number of BGPMon peers: 57

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