Possible BGP hijack

Beginning at 2022-08-22 11:29:19 UTC, we detected a possible BGP hijack.

Prefix 213.173.39.0/24, is normally announced by AS210728 .

But beginning at 2022-08-22 11:29:19, the same prefix (213.173.39.0/24) was also announced by ASN 25151.

This was detected by 72 BGPMon peers.

Expected
Start time: 2022-08-22 11:29:19 UTC
Expected prefix: 213.173.39.0/24
Expected ASN: 210728 ()
Event Details
Detected advertisement: 213.173.39.0/24
Detected Origin ASN 25151 (CYSO-AS, NL)
Detected AS Path 49463 200020 25151
Detected by number of BGPMon peers: 72

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