Possible BGP hijack

Beginning at 2023-01-06 12:44:25, we detected a possible BGP hijack.

Prefix 91.0.0.0/8, Normally announced by AS5089 NTL, GB

Starting at 2023-01-06 12:44:25, a more specific route (91.217.151.0/24) was announced by ASN 42346.

This was detected by 73 BGPMon peers.

Expected
Start time: 2023-01-06 12:44:25 UTC
Expected prefix: 91.0.0.0/8
Expected ASN: 5089 (NTL, GB)
Event Details
Detected advertisement: 91.217.151.0/24
Detected Origin ASN 42346 (AS-TINEO Internet Service Provider - Switzerland, CH)
Detected AS Path 7018 3320 3320 3303 15600 42346
Detected by number of BGPMon peers: 73

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