Possible BGP hijack

Beginning at 2020-09-29 17:46:06 UTC, we detected a possible BGP hijack.

Prefix 190.210.54.0/24, is normally announced by AS28035 BANCO SUPERVIELLE SOCIEDAD ANONIMA, AR.

But beginning at 2020-09-29 17:46:06, the same prefix (190.210.54.0/24) was also announced by ASN 1221.

This was detected by 33 BGPMon peers.

Expected
Start time: 2020-09-29 17:46:06 UTC
Expected prefix: 190.210.54.0/24
Expected ASN: 28035 (BANCO SUPERVIELLE SOCIEDAD ANONIMA, AR)
Event Details
Detected advertisement: 190.210.54.0/24
Detected Origin ASN 1221 (ASN-TELSTRA Telstra Corporation Ltd, AU)
Detected AS Path 49463 8218 6461 4637 1221
Detected by number of BGPMon peers: 33

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