Possible BGP hijack

Beginning at 2023-10-27 16:49:59, we detected a possible BGP hijack.

Prefix 172.0.0.0/12, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2023-10-27 16:49:59, a more specific route (172.10.0.0/24) was announced by ASN 9198.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-10-27 16:49:59 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 172.10.0.0/24
Detected Origin ASN 9198 (KAZTELECOM-AS, KZ)
Detected AS Path 49673 9049 20485 9198
Detected by number of BGPMon peers: 2

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