Possible BGP hijack

Beginning at 2021-10-09 16:11:10 UTC, we detected a possible BGP hijack.

Prefix 91.234.214.0/24, is normally announced by AS13335 CLOUDFLARENET, US.

But beginning at 2021-10-09 16:11:10, the same prefix (91.234.214.0/24) was also announced by ASN 5089.

This was detected by 7 BGPMon peers.

Expected
Start time: 2021-10-09 16:11:10 UTC
Expected prefix: 91.234.214.0/24
Expected ASN: 13335 (CLOUDFLARENET, US)
Event Details
Detected advertisement: 91.234.214.0/24
Detected Origin ASN 5089 (NTL, GB)
Detected AS Path 48659 201054 6830 5089
Detected by number of BGPMon peers: 7

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