Possible BGP hijack

Beginning at 2023-09-07 21:38:42 UTC, we detected a possible BGP hijack.

Prefix 151.216.128.0/17, is normally announced by AS13020 CCCV-AS Chaos Computer Club Veranstaltungsgesellschaft mbH, DE.

But beginning at 2023-09-07 21:38:42, the same prefix (151.216.128.0/17) was also announced by ASN 28840.

This was detected by 43 BGPMon peers.

Expected
Start time: 2023-09-07 21:38:42 UTC
Expected prefix: 151.216.128.0/17
Expected ASN: 13020 (CCCV-AS Chaos Computer Club Veranstaltungsgesellschaft mbH, DE)
Event Details
Detected advertisement: 151.216.128.0/17
Detected Origin ASN 28840 (TATTELECOM-AS, RU)
Detected AS Path 394256 63213 3257 9002 28840
Detected by number of BGPMon peers: 43

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