Possible BGP hijack

Beginning at 2023-11-09 19:56:59, we detected a possible BGP hijack.

Prefix 103.25.84.0/22, Normally announced by AS49304 GRIZABLE, RU

Starting at 2023-11-09 19:56:59, a more specific route (103.25.86.0/23) was announced by ASN 7018.

This was detected by 15 BGPMon peers.

Expected
Start time: 2023-11-09 19:56:59 UTC
Expected prefix: 103.25.84.0/22
Expected ASN: 49304 (GRIZABLE, RU)
Event Details
Detected advertisement: 103.25.86.0/23
Detected Origin ASN 7018 (ATT-INTERNET4, US)
Detected AS Path 42473 47147 1299 7018
Detected by number of BGPMon peers: 15

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