Possible BGP hijack

Beginning at 2022-08-18 07:21:21 UTC, we detected a possible BGP hijack.

Prefix 178.171.32.0/22, is normally announced by AS397423 TIER-NET, US.

But beginning at 2022-08-18 07:21:21, the same prefix (178.171.32.0/22) was also announced by ASN 207710.

This was detected by 4 BGPMon peers.

Expected
Start time: 2022-08-18 07:21:21 UTC
Expected prefix: 178.171.32.0/22
Expected ASN: 397423 (TIER-NET, US)
Event Details
Detected advertisement: 178.171.32.0/22
Detected Origin ASN 207710 (WSTELECOM_DE, LV)
Detected AS Path 397181 10929 174 207710
Detected by number of BGPMon peers: 4

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