Possible BGP hijack

Beginning at 2023-11-18 02:35:31 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS7203 LEASEWEB-USA-SFO-12, US.

But beginning at 2023-11-18 02:35:31, the same prefix ( was also announced by ASN 205544.

This was detected by 9 BGPMon peers.

Start time: 2023-11-18 02:35:31 UTC
Expected prefix:
Expected ASN: 7203 (LEASEWEB-USA-SFO-12, US)
Event Details
Detected advertisement:
Detected Origin ASN 205544 (LEASEWEB-UK-LON-11, GB)
Detected AS Path 59919 41327 16265 205544
Detected by number of BGPMon peers: 9

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