Possible BGP hijack

Beginning at 2021-11-25 17:36:03, we detected a possible BGP hijack.

Prefix 89.229.0.0/16, Normally announced by AS21021 MULTIMEDIA-AS Cable DTV Internet Voice Provider in Poland., PL

Starting at 2021-11-25 17:36:03, a more specific route (89.229.76.0/22) was announced by ASN 201971.

This was detected by 9 BGPMon peers.

Expected
Start time: 2021-11-25 17:36:03 UTC
Expected prefix: 89.229.0.0/16
Expected ASN: 21021 (MULTIMEDIA-AS Cable DTV Internet Voice Provider in Poland., PL)
Event Details
Detected advertisement: 89.229.76.0/22
Detected Origin ASN 201971 (CREEPERHOSTLTD-AS, GB)
Detected AS Path 53137 28283 4230 262287 201971
Detected by number of BGPMon peers: 9

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