Possible BGP hijack

Beginning at 2023-07-15 16:21:27 UTC, we detected a possible BGP hijack.

Prefix 202.208.240.0/24, is normally announced by AS3949 NTTA-3946, US.

But beginning at 2023-07-15 16:21:27, the same prefix (202.208.240.0/24) was also announced by ASN 51964.

This was detected by 12 BGPMon peers.

Expected
Start time: 2023-07-15 16:21:27 UTC
Expected prefix: 202.208.240.0/24
Expected ASN: 3949 (NTTA-3946, US)
Event Details
Detected advertisement: 202.208.240.0/24
Detected Origin ASN 51964 (ORANGE-BUSINESS-SERVICES-IPSN-ASN, US)
Detected AS Path 204092 34019 35280 2914 4713 4862 51964
Detected by number of BGPMon peers: 12

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