Possible BGP hijack

Beginning at 2020-01-03 11:00:59 UTC, we detected a possible BGP hijack.

Prefix 2001:240::/32, is normally announced by AS2497 IIJ Internet Initiative Japan Inc., JP.

But beginning at 2020-01-03 11:00:59, the same prefix (2001:240::/32) was also announced by ASN 37468.

This was detected by 2 BGPMon peers.

Expected
Start time: 2020-01-03 11:00:59 UTC
Expected prefix: 2001:240::/32
Expected ASN: 2497 (IIJ Internet Initiative Japan Inc., JP)
Event Details
Detected advertisement: 2001:240::/32
Detected Origin ASN 37468 (ANGOLA-CABLES, AO)
Detected AS Path 52873 267175 61832 37468
Detected by number of BGPMon peers: 2

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