Possible BGP hijack

Beginning at 2023-07-17 15:18:47, we detected a possible BGP hijack.

Prefix 201.139.192.0/20, Normally announced by AS28503 GSAT COMUNICACIONES SA DE CV, MX

Starting at 2023-07-17 15:18:47, a more specific route (201.139.206.0/23) was announced by ASN 22351.

This was detected by 52 BGPMon peers.

Expected
Start time: 2023-07-17 15:18:47 UTC
Expected prefix: 201.139.192.0/20
Expected ASN: 28503 (GSAT COMUNICACIONES SA DE CV, MX)
Event Details
Detected advertisement: 201.139.206.0/23
Detected Origin ASN 22351 (INTELSAT-1, US)
Detected AS Path 48200 1299 6453 22351
Detected by number of BGPMon peers: 52

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