Possible BGP hijack

Beginning at 2021-11-24 11:25:38, we detected a possible BGP hijack.

Prefix 181.215.224.0/21, Normally announced by AS61317 ASDETUK www.heficed.com, GB

Starting at 2021-11-24 11:25:38, a more specific route (181.215.228.0/24) was announced by ASN 15924.

This was detected by 57 BGPMon peers.

Expected
Start time: 2021-11-24 11:25:38 UTC
Expected prefix: 181.215.224.0/21
Expected ASN: 61317 (ASDETUK www.heficed.com, GB)
Event Details
Detected advertisement: 181.215.228.0/24
Detected Origin ASN 15924 (BORUSANTELEKOM-AS, TR)
Detected AS Path 37989 56300 132132 4657 6762 1273 15924
Detected by number of BGPMon peers: 57

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