Possible BGP hijack

Beginning at 2020-03-18 17:41:23 UTC, we detected a possible BGP hijack.

Prefix 128.201.254.0/23, is normally announced by AS6 BULL-HN, US.

But beginning at 2020-03-18 17:41:23, the same prefix (128.201.254.0/23) was also announced by ASN 2.

This was detected by 8 BGPMon peers.

Expected
Start time: 2020-03-18 17:41:23 UTC
Expected prefix: 128.201.254.0/23
Expected ASN: 6 (BULL-HN, US)
Event Details
Detected advertisement: 128.201.254.0/23
Detected Origin ASN 2 (UDEL-DCN, US)
Detected AS Path 131477 138576 3257 28329 265888 2
Detected by number of BGPMon peers: 8

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