Possible BGP hijack

Beginning at 2021-04-25 13:50:25 UTC, we detected a possible BGP hijack.

Prefix 193.187.152.0/24, is normally announced by AS137523 YUNDUNETWORK-AS-AP HONGKONG CLOUD NETWORK TECHNOLOGY CO., LIMITED, HK.

But beginning at 2021-04-25 13:50:25, the same prefix (193.187.152.0/24) was also announced by ASN 57878.

This was detected by 24 BGPMon peers.

Expected
Start time: 2021-04-25 13:50:25 UTC
Expected prefix: 193.187.152.0/24
Expected ASN: 137523 (YUNDUNETWORK-AS-AP HONGKONG CLOUD NETWORK TECHNOLOGY CO., LIMITED, HK)
Event Details
Detected advertisement: 193.187.152.0/24
Detected Origin ASN 57878 (PRAGER-IT, AT)
Detected AS Path 199477 49289 1299 57878
Detected by number of BGPMon peers: 24

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