Possible BGP hijack

Beginning at 2020-02-08 05:24:40 UTC, we detected a possible BGP hijack.

Prefix 37.49.226.0/24, is normally announced by AS208666 ESTROWEB, NL.

But beginning at 2020-02-08 05:24:40, the same prefix (37.49.226.0/24) was also announced by ASN 25577.

This was detected by 25 BGPMon peers.

Expected
Start time: 2020-02-08 05:24:40 UTC
Expected prefix: 37.49.226.0/24
Expected ASN: 208666 (ESTROWEB, NL)
Event Details
Detected advertisement: 37.49.226.0/24
Detected Origin ASN 25577 (C4L-AS, GB)
Detected AS Path 202032 8220 25577
Detected by number of BGPMon peers: 25

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