Possible BGP hijack

Beginning at 2018-09-13 15:29:33 UTC, we detected a possible BGP hijack.

Prefix 2001:503:c27::/48, is normally announced by AS26415 VERISIGN-INC - VeriSign Global Registry Services, US.

But beginning at 2018-09-13 15:29:33, the same prefix (2001:503:c27::/48) was also announced by ASN 396555.

This was detected by 4 BGPMon peers.

Start time: 2018-09-13 15:29:33 UTC
Expected prefix: 2001:503:c27::/48
Expected ASN: 26415 (VERISIGN-INC - VeriSign Global Registry Services, US)
Event Details
Detected advertisement: 2001:503:c27::/48
Detected Origin ASN 396555 ()
Detected AS Path 22188 6939 7342 396555 396555
Detected by number of BGPMon peers: 4

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