Possible BGP hijack

Beginning at 2023-08-29 00:37:45 UTC, we detected a possible BGP hijack.

Prefix 2001:67c:2b74::/48, is normally announced by AS3209 VODANET International IP-Backbone of Vodafone, DE.

But beginning at 2023-08-29 00:37:45, the same prefix (2001:67c:2b74::/48) was also announced by ASN 266970.

This was detected by 3 BGPMon peers.

Start time: 2023-08-29 00:37:45 UTC
Expected prefix: 2001:67c:2b74::/48
Expected ASN: 3209 (VODANET International IP-Backbone of Vodafone, DE)
Event Details
Detected advertisement: 2001:67c:2b74::/48
Detected Origin ASN 266970 ()
Detected AS Path 34019 52320 7738 7738 4230 61678 266970
Detected by number of BGPMon peers: 3

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