Possible BGP hijack

Beginning at 2020-09-23 13:56:17 UTC, we detected a possible BGP hijack.

Prefix 192.219.120.0/21, is normally announced by AS62900 COLOMX-LLC, US.

But beginning at 2020-09-23 13:56:17, the same prefix (192.219.120.0/21) was also announced by ASN 328543.

This was detected by 121 BGPMon peers.

Expected
Start time: 2020-09-23 13:56:17 UTC
Expected prefix: 192.219.120.0/21
Expected ASN: 62900 (COLOMX-LLC, US)
Event Details
Detected advertisement: 192.219.120.0/21
Detected Origin ASN 328543 (sun-asn, SC)
Detected AS Path 28329 1299 4809 328543 328543
Detected by number of BGPMon peers: 121

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