Possible BGP hijack

Beginning at 2023-08-29 17:55:13 UTC, we detected a possible BGP hijack.

Prefix 85.255.112.0/21, is normally announced by AS207023 CENTRIXWEB1, US.

But beginning at 2023-08-29 17:55:13, the same prefix (85.255.112.0/21) was also announced by ASN 7018.

This was detected by 5 BGPMon peers.

Expected
Start time: 2023-08-29 17:55:13 UTC
Expected prefix: 85.255.112.0/21
Expected ASN: 207023 (CENTRIXWEB1, US)
Event Details
Detected advertisement: 85.255.112.0/21
Detected Origin ASN 7018 (ATT-INTERNET4, US)
Detected AS Path 53432 7018
Detected by number of BGPMon peers: 5

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