Possible BGP hijack

Beginning at 2023-04-20 06:58:28, we detected a possible BGP hijack.

Prefix, Normally announced by AS398704 STACKS-INC-01, US

Starting at 2023-04-20 06:58:28, a more specific route ( was announced by ASN 18233.

This was detected by 45 BGPMon peers.

Start time: 2023-04-20 06:58:28 UTC
Expected prefix:
Expected ASN: 398704 (STACKS-INC-01, US)
Event Details
Detected advertisement:
Detected Origin ASN 18233 (PTTNET Philippine Telegraph and Telephone Corporation, PH)
Detected AS Path 202365 206499 34549 6830 174 18233
Detected by number of BGPMon peers: 45

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