Possible BGP hijack

Beginning at 2020-09-14 19:34:52, we detected a possible BGP hijack.

Prefix 2a07:cb84::/32, Normally announced by AS28878 SIGNET-AS, NL

Starting at 2020-09-14 19:34:52, a more specific route (2a07:cb84:3701::/48) was announced by ASN 15404.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-09-14 19:34:52 UTC
Expected prefix: 2a07:cb84::/32
Expected ASN: 28878 (SIGNET-AS, NL)
Event Details
Detected advertisement: 2a07:cb84:3701::/48
Detected Origin ASN 15404 (COLT Technology Services Group, SE)
Detected AS Path 36692 4637 5511 5511 8220 15404
Detected by number of BGPMon peers: 2

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