Possible BGP hijack

Beginning at 2019-06-17 15:09:28 UTC, we detected a possible BGP hijack.

Prefix 37.4.252.0/23, is normally announced by AS31334 KABELDEUTSCHLAND-AS, DE.

But beginning at 2019-06-17 15:09:28, the same prefix (37.4.252.0/23) was also announced by ASN 44788.

This was detected by 10 BGPMon peers.

Expected
Start time: 2019-06-17 15:09:28 UTC
Expected prefix: 37.4.252.0/23
Expected ASN: 31334 (KABELDEUTSCHLAND-AS, DE)
Event Details
Detected advertisement: 37.4.252.0/23
Detected Origin ASN 44788 (ASN-CRITEO-EUROPE, FR)
Detected AS Path 201953 50607 9002 44788
Detected by number of BGPMon peers: 10

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