Possible BGP hijack

Beginning at 2023-09-18 21:14:38, we detected a possible BGP hijack.

Prefix 38.0.0.0/8, Normally announced by AS174 COGENT-174, US

Starting at 2023-09-18 21:14:38, a more specific route (38.165.233.0/24) was announced by ASN 28103.

This was detected by 55 BGPMon peers.

Expected
Start time: 2023-09-18 21:14:38 UTC
Expected prefix: 38.0.0.0/8
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 38.165.233.0/24
Detected Origin ASN 28103 (TECNOLOGIA EN ELECTRONICA E INFORMATICA SOCIEDAD ANONIMA T.E.I.S.A, PY)
Detected AS Path 7018 6762 7303 28103
Detected by number of BGPMon peers: 55

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