Possible BGP hijack

Beginning at 2023-05-27 18:28:06, we detected a possible BGP hijack.

Prefix 139.236.0.0/14, Normally announced by AS749 DNIC-AS-00749, US

Starting at 2023-05-27 18:28:06, a more specific route (139.239.160.0/22) was announced by ASN 17639.

This was detected by 48 BGPMon peers.

Expected
Start time: 2023-05-27 18:28:06 UTC
Expected prefix: 139.236.0.0/14
Expected ASN: 749 (DNIC-AS-00749, US)
Event Details
Detected advertisement: 139.239.160.0/22
Detected Origin ASN 17639 (CONVERGE-AS Converge ICT Solutions Inc., PH)
Detected AS Path 34019 35280 17639
Detected by number of BGPMon peers: 48

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