Possible BGP hijack

Beginning at 2023-07-09 23:02:36 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS44477 WELLWEB, NL.

But beginning at 2023-07-09 23:02:36, the same prefix ( was also announced by ASN 12400.

This was detected by 14 BGPMon peers.

Start time: 2023-07-09 23:02:36 UTC
Expected prefix:
Expected ASN: 44477 (WELLWEB, NL)
Event Details
Detected advertisement:
Detected Origin ASN 12400 (PARTNER-AS, IL)
Detected AS Path 20205 6939 6762 9116 12400
Detected by number of BGPMon peers: 14

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