Possible BGP hijack

Beginning at 2020-05-15 01:21:41 UTC, we detected a possible BGP hijack.

Prefix 2.23.156.0/23, is normally announced by AS20940 AKAMAI-ASN1, EU.

But beginning at 2020-05-15 01:21:41, the same prefix (2.23.156.0/23) was also announced by ASN 9121.

This was detected by 129 BGPMon peers.

Expected
Start time: 2020-05-15 01:21:41 UTC
Expected prefix: 2.23.156.0/23
Expected ASN: 20940 (AKAMAI-ASN1, EU)
Event Details
Detected advertisement: 2.23.156.0/23
Detected Origin ASN 9121 (TTNET, TR)
Detected AS Path 268232 17222 3549 2914 9121
Detected by number of BGPMon peers: 129

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