Possible BGP hijack

Beginning at 2023-04-29 11:40:47 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS27988 Servicios y Telecomunicaciones S.A., AR.

But beginning at 2023-04-29 11:40:47, the same prefix ( was also announced by ASN 23198.

This was detected by 4 BGPMon peers.

Start time: 2023-04-29 11:40:47 UTC
Expected prefix:
Expected ASN: 27988 (Servicios y Telecomunicaciones S.A., AR)
Event Details
Detected advertisement:
Detected Origin ASN 23198 (RRTS, US)
Detected AS Path 1126 6461 52320 11014 61452 23198
Detected by number of BGPMon peers: 4

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