Possible BGP hijack

Beginning at 2023-05-09 09:19:48 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS4 ISI-AS, US.

But beginning at 2023-05-09 09:19:48, the same prefix ( was also announced by ASN 5.

This was detected by 8 BGPMon peers.

Start time: 2023-05-09 09:19:48 UTC
Expected prefix:
Expected ASN: 4 (ISI-AS, US)
Event Details
Detected advertisement:
Detected Origin ASN 5 (SYMBOLICS, US)
Detected AS Path 49463 8218 3223 58945 138212 5
Detected by number of BGPMon peers: 8

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