Possible BGP hijack

Beginning at 2019-11-19 19:27:45 UTC, we detected a possible BGP hijack.

Prefix 2600:9000:102a::/48, is normally announced by AS16509 AMAZON-02 - Amazon.com, Inc., US.

But beginning at 2019-11-19 19:27:45, the same prefix (2600:9000:102a::/48) was also announced by ASN 1221.

This was detected by 36 BGPMon peers.

Expected
Start time: 2019-11-19 19:27:45 UTC
Expected prefix: 2600:9000:102a::/48
Expected ASN: 16509 (AMAZON-02 - Amazon.com, Inc., US)
Event Details
Detected advertisement: 2600:9000:102a::/48
Detected Origin ASN 1221 (ASN-TELSTRA Telstra Corporation Ltd, AU)
Detected AS Path 43996 6939 4637 1221
Detected by number of BGPMon peers: 36

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