Possible BGP hijack

Beginning at 2024-01-12 14:14:56 UTC, we detected a possible BGP hijack.

Prefix 87.254.207.0/24, is normally announced by AS9801 ZGCIE-CNNIC Beijing Zhongguancun Information Technology Co. Ltd, CN.

But beginning at 2024-01-12 14:14:56, the same prefix (87.254.207.0/24) was also announced by ASN 21856.

This was detected by 14 BGPMon peers.

Expected
Start time: 2024-01-12 14:14:56 UTC
Expected prefix: 87.254.207.0/24
Expected ASN: 9801 (ZGCIE-CNNIC Beijing Zhongguancun Information Technology Co. Ltd, CN)
Event Details
Detected advertisement: 87.254.207.0/24
Detected Origin ASN 21856 (NOKIA-ASN, US)
Detected AS Path 393891 6939 5511 4837 21856
Detected by number of BGPMon peers: 14

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