Possible BGP hijack

Beginning at 2021-01-24 03:16:12 UTC, we detected a possible BGP hijack.

Prefix 103.119.31.0/24, is normally announced by AS136782 PINGTAN-AS-AP Kirin Networks, CN.

But beginning at 2021-01-24 03:16:12, the same prefix (103.119.31.0/24) was also announced by ASN 43092.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-01-24 03:16:12 UTC
Expected prefix: 103.119.31.0/24
Expected ASN: 136782 (PINGTAN-AS-AP Kirin Networks, CN)
Event Details
Detected advertisement: 103.119.31.0/24
Detected Origin ASN 43092 (OSOA, JP)
Detected AS Path 49134 53356 6939 43092
Detected by number of BGPMon peers: 3

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