Possible BGP hijack

Beginning at 2018-11-26 19:31:02 UTC, we detected a possible BGP hijack.

Prefix 205.233.13.0/24, is normally announced by AS45903 CMC Telecom Infrastructure Company.

But beginning at 2018-11-26 19:31:02, the same prefix (205.233.13.0/24) was also announced by ASN 21649.

This was detected by 196 BGPMon peers.

Expected
Start time: 2018-11-26 19:31:02 UTC
Expected prefix: 205.233.13.0/24
Expected ASN: 45903 (CMC Telecom Infrastructure Company)
Event Details
Detected advertisement: 205.233.13.0/24
Detected Origin ASN 21649 (VIETV-NETWORK - VIETV Houston, LLC, US)
Detected AS Path 20783 13237 3257 6461 11915 21649
Detected by number of BGPMon peers: 196

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