Possible BGP hijack

Beginning at 2023-05-02 14:15:57 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS7018 ATT-INTERNET4, US.

But beginning at 2023-05-02 14:15:57, the same prefix ( was also announced by ASN 18811.

This was detected by 38 BGPMon peers.

Start time: 2023-05-02 14:15:57 UTC
Expected prefix:
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement:
Detected Origin ASN 18811 (Unknown)
Detected AS Path 202365 206499 34549 5511 701 18811
Detected by number of BGPMon peers: 38

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