Possible BGP hijack

Beginning at 2021-11-01 10:16:15 UTC, we detected a possible BGP hijack.

Prefix 104.167.242.0/24, is normally announced by AS59210 PHOENIXNAP-AS-SG1 PhoenixNAP, SG.

But beginning at 2021-11-01 10:16:15, the same prefix (104.167.242.0/24) was also announced by ASN 10753.

This was detected by 103 BGPMon peers.

Expected
Start time: 2021-11-01 10:16:15 UTC
Expected prefix: 104.167.242.0/24
Expected ASN: 59210 (PHOENIXNAP-AS-SG1 PhoenixNAP, SG)
Event Details
Detected advertisement: 104.167.242.0/24
Detected Origin ASN 10753 (LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE, US)
Detected AS Path 28130 3356 10753
Detected by number of BGPMon peers: 103

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