Possible BGP hijack

Beginning at 2021-10-31 00:59:18, we detected a possible BGP hijack.

Prefix 185.218.4.0/23, Normally announced by AS213136

Starting at 2021-10-31 00:59:18, a more specific route (185.218.4.0/24) was announced by ASN 41378.

This was detected by 4 BGPMon peers.

Expected
Start time: 2021-10-31 00:59:18 UTC
Expected prefix: 185.218.4.0/23
Expected ASN: 213136 ()
Event Details
Detected advertisement: 185.218.4.0/24
Detected Origin ASN 41378 (KIRINONET, US)
Detected AS Path 28140 4809 4134 9929 10099 41378
Detected by number of BGPMon peers: 4

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