Possible BGP hijack

Beginning at 2023-05-16 17:51:53, we detected a possible BGP hijack.

Prefix 217.146.0.0/24, Normally announced by AS42473 AS-ANEXIA ANEXIA Internetdienstleistungs GmbH, AT

Starting at 2023-05-16 17:51:53, a more specific route (217.146.0.154/32) was announced by ASN 4628.

This was detected by 4 BGPMon peers.

Expected
Start time: 2023-05-16 17:51:53 UTC
Expected prefix: 217.146.0.0/24
Expected ASN: 42473 (AS-ANEXIA ANEXIA Internetdienstleistungs GmbH, AT)
Event Details
Detected advertisement: 217.146.0.154/32
Detected Origin ASN 4628 (PACIFICINTERNET-AS-AP Pacific Internet Pte Ltd, SG)
Detected AS Path 205148 9002 4628
Detected by number of BGPMon peers: 4

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