Possible BGP hijack

Beginning at 2023-01-30 16:26:50 UTC, we detected a possible BGP hijack.

Prefix 217.173.48.0/24, is normally announced by AS43905 TBH-AS, NO.

But beginning at 2023-01-30 16:26:50, the same prefix (217.173.48.0/24) was also announced by ASN 31198.

This was detected by 3 BGPMon peers.

Expected
Start time: 2023-01-30 16:26:50 UTC
Expected prefix: 217.173.48.0/24
Expected ASN: 43905 (TBH-AS, NO)
Event Details
Detected advertisement: 217.173.48.0/24
Detected Origin ASN 31198 (TELENOR-UK-LTD-AS, GB)
Detected AS Path 1126 12713 6866 31198
Detected by number of BGPMon peers: 3

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