Possible BGP hijack

Beginning at 2020-09-13 14:00:36 UTC, we detected a possible BGP hijack.

Prefix 131.228.96.0/24, is normally announced by AS21856 NOKIA-ASN, US.

But beginning at 2020-09-13 14:00:36, the same prefix (131.228.96.0/24) was also announced by ASN 24143.

This was detected by 5 BGPMon peers.

Expected
Start time: 2020-09-13 14:00:36 UTC
Expected prefix: 131.228.96.0/24
Expected ASN: 21856 (NOKIA-ASN, US)
Event Details
Detected advertisement: 131.228.96.0/24
Detected Origin ASN 24143 (CNNIC-QCN-AP Qingdao Cable TV Network Center, CN)
Detected AS Path 28642 4809 4809 4134 4847 24143
Detected by number of BGPMon peers: 5

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