Possible BGP hijack

Beginning at 2021-01-09 20:58:17 UTC, we detected a possible BGP hijack.

Prefix 185.157.100.0/24, is normally announced by AS2830 MCI-DUAL-HOMED-CUSTOMERS, NL.

But beginning at 2021-01-09 20:58:17, the same prefix (185.157.100.0/24) was also announced by ASN 51964.

This was detected by 125 BGPMon peers.

Expected
Start time: 2021-01-09 20:58:17 UTC
Expected prefix: 185.157.100.0/24
Expected ASN: 2830 (MCI-DUAL-HOMED-CUSTOMERS, NL)
Event Details
Detected advertisement: 185.157.100.0/24
Detected Origin ASN 51964 (ORANGE-BUSINESS-SERVICES-IPSN-ASN, US)
Detected AS Path 393891 6939 5511 10282 51964
Detected by number of BGPMon peers: 125

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