Possible BGP hijack

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

Prefix 191.101.132.0/22, Normally announced by AS263612 IP CARRIER TELECOM DO BRASIL, BR

Starting at 2020-09-29 17:46:06, a more specific route (191.101.132.0/23) was announced by ASN 1221.

This was detected by 105 BGPMon peers.

Expected
Start time: 2020-09-29 17:46:06 UTC
Expected prefix: 191.101.132.0/22
Expected ASN: 263612 (IP CARRIER TELECOM DO BRASIL, BR)
Event Details
Detected advertisement: 191.101.132.0/23
Detected Origin ASN 1221 (ASN-TELSTRA Telstra Corporation Ltd, AU)
Detected AS Path 30893 43893 1257 4637 1221
Detected by number of BGPMon peers: 105

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