Possible BGP hijack

Beginning at 2023-07-31 05:50:41, we detected a possible BGP hijack.

Prefix 160.86.128.0/20, Normally announced by AS2527 SO-NET Sony Network Communications Inc., JP

Starting at 2023-07-31 05:50:41, a more specific route (160.86.128.0/21) was announced by ASN 14618.

This was detected by 12 BGPMon peers.

Expected
Start time: 2023-07-31 05:50:41 UTC
Expected prefix: 160.86.128.0/20
Expected ASN: 2527 (SO-NET Sony Network Communications Inc., JP)
Event Details
Detected advertisement: 160.86.128.0/21
Detected Origin ASN 14618 (AMAZON-AES, US)
Detected AS Path 28300 14840 16509 14618
Detected by number of BGPMon peers: 12

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